Outback Power
Solar Knowledge

Outback Power

November 11, 2025
37 min read

Outback Power has a long history of products in the solar space

For decades, any serious discussion about building a resilient, off-grid power system inevitably included one name: Outback Power. For many "do-it-yourself" prosumers, this brand is part of the conversation because of its deep and respected legacy. The company's history is not in flashy marketing, but in designing and manufacturing "integration hardware" specifically for solar installers working in "remote environments and harsh condition locations".1 This reputation is well-earned, with roots that trace back to the legendary DNA of Trace Engineering, a name revered by off-grid veterans.2
This lineage established Outback as the professional's choice. Installers and homesteaders built entire systems around their hardware, knowing it was designed to be serviceable and robust. It is not uncommon to find Outback inverters, like the classic GVFX3648, still in flawless operation after more than two decades.2 Their systems were known to be tough, reliable, and capable of handling the demanding surge loads of well pumps and compressors—tasks that would cripple lesser inverters.3 Outback Power literally marketed themselves as the "Masters of the Off-Grid," and for a long time, they were.6
This history of bulletproof reliability is the "brand equity" that attracts new buyers today. The name is synonymous with quality. However, a stark and troubling disconnect has emerged between this long-standing reputation and the company's current corporate reality. An investigation into the brand's status in 2024 and 2025 reveals that the very pillars the brand was built on—support, reliability, and long-term viability—have all but collapsed.7 The "Outback Power" a new customer has heard about is, unfortunately, not the "Outback Power" they would be buying from today.

B. The Vanishing Act: EnerSys, Private Equity, and the Texas Connection

Understanding the current state of Outback requires following a confusing trail of corporate acquisitions. Outback Power was once part of The Alpha Group, a company specializing in power solutions for telecommunications.10 This group was later acquired by EnerSys, a global industrial battery and energy systems giant.11 For a time, this provided a stable corporate umbrella.
That stability ended in late 2023. In a 10-Q filing with the SEC, EnerSys stated its "plan to stop production and operations of residential renewable energy products," which explicitly included the "OutBack... brand".12 The filing clarified that these products "no longer fit with the company's core strategy".12
In early 2024, the company was sold in a "private sale".13 This is where the story becomes opaque. The new owner was not identified; they were simply an unknown "3rd party".14 This "strategic silence" 7 from the company, combined with a sudden and total collapse in customer support, prompted users on DIY solar forums to begin their own investigation.
What they uncovered was a bombshell. Public records, specifically a local tax abatement agreement in Hunt County, Texas, revealed the new corporate structure.7 The new manufacturing facility, located at 400 Maple Street, Commerce, Texas 15, is a shared entity. The agreement names four legally distinct companies operating from this address: 400 Maple Street, LLC, OutBack Power, LLC, Big Battery, LLC, and RG4 Electronics, LLC.7
The implications of this discovery are market-shattering. EG4 Electronics is one of the major competitors the user query asked to compare Outback against. Another public document explicitly clarifies the relationship, stating, "OutBack Power, LLC, which is a junior company with James as the largest shareholder".16
This revelation contextualizes the chaos that has defined Outback Power since the acquisition. The new owners, who built their success at EG4 and Big Battery on a high-volume, low-margin, import-based business model, have no apparent interest in the low-volume, high-support, high-cost "legacy" Outback business. The creation of two separate legal entities, "OutBack Power, LLC" and "OutBack Power Technologies, LLC" 7, strongly suggests a "corporate shell game."
This points to a deliberate "brand-flushing" strategy, as astutely predicted by users on public forums.15 The most likely plan is to "protect the legacy of the 'OutBack Power' brand while decoupling it from the actual hardware".15 In practice, this means letting the existing, American-made product line—and all its associated support and warranty obligations—wither and die. Customers who purchased products during this transition are left stranded.7 Once this "pipeline flush" is complete, the new owners will be free to re-launch the respected "Outback Power" brand name on new, likely Chinese-sourced, all-in-one products that are more aligned with the EG4 and Big Battery business model. For a new DIYer, this means they are purchasing a dead-end product from a company that appears to be actively and deliberately shedding its past.

C. "Nobody Home": The Support & Monitoring Collapse

The user-facing evidence of this corporate transition has been catastrophic. The first and most immediate failure has been in customer support. The DIY solar community, which relies on manufacturer support for complex installations, has been met with silence. Forum posts from 2024 and 2025 paint a unanimous and damning picture:

  • "I just purchased a GS8048a inverter and found nobody home when needing support".7
  • "Slow customer service... in recent years their customer service is not what it used to be".8
  • "I would run away from Outback Power equipment at this time... they do not have real support and warranty work does not exist from what I can see and my own experience".9

This collapse in support has been mirrored by the public-facing failure of Outback's "smart" ecosystem: the OpticsRE monitoring platform. OpticsRE is (or was) the cloud-based portal that allows users to monitor energy production, verify system health, and receive alerts from anywhere in the world.17
For an off-grid cabin—a core Outback market—remote monitoring is not a luxury; it is essential for diagnostics and control.20 For grid-tied users, it is the only way to track production and savings. In 2024 and 2025, the platform has been defined by persistent, multi-day outages, "Application Error" screens, data-logging failures, and a total communication blackout from the company.2
This is not a simple "glitch." It is a symptom of a profound corporate failure. The new owners appear to either lack the technical competence to maintain the cloud infrastructure or are simply unwilling to pay for it. The company's new "Product Specialist" eventually posted on the official user forum, confirming a massive outage and their struggle to get it resolved with their service provider, Microsoft Azure.24
How a company handles a crisis reveals its character. As one forum user pointed out, Victron's competing VRM platform also has occasional issues. But the difference is stark: "There's been an issue with VRM from time to time, but the good part is that multiple Victron folks are on their community forum (including the CEO) giving updates and an ETA on the fix".20 Outback, in contrast, responded with silence, extended downtime, and excuses. For a DIYer investing thousands of dollars, this contrast in corporate behavior is a critical decision point. It demonstrates that in a time of crisis, Outback will not be there to support its products or its customers, making any new purchase an unacceptably high-risk investment.

II. The Outback Power Product Ecosystem (The "Legacy" Line)

To understand what is being lost—and to effectively compare Outback to its competitors—it is essential to analyze the "legacy" hardware that built the brand's reputation. This is the equipment that, as of 2025, is now effectively unsupported and being phased out.9

A. The Heart of the System: Radian & FX-R Inverter/Chargers

The flagship of the modern Outback line is the Radian Series inverter/charger, with models like the GS8048A (8000W, 48V).25 This is a true "Grid/Hybrid" inverter, engineered to function seamlessly in grid-interactive, off-grid, or battery-backup applications.25 Its engineering is impressive and built around three core features:

  1. Low-Frequency (LF) Transformer: This is the "beast mode" of the Radian.5 Unlike the high-frequency inverters common in new all-in-one (AIO) units, the Radian's heavy iron-core transformer provides "unsurpassed surge capacity".29 This allows it to start demanding inductive loads—like well pumps, air compressors, and HVAC units—that cause high-frequency inverters to fault or fail.30
  2. Dual AC Inputs: The Radian features two separate AC inputs.26 This is a critical feature for off-grid resilience. A user can connect the grid (if available) to AC-IN 1 and a backup generator to AC-IN 2. The inverter handles all the switching automatically, seamlessly integrating generator power when batteries are low.31
  3. GridZero Technology: This is an advanced energy management mode that "blends" power from multiple sources. It precisely balances using stored battery energy, solar production, and utility power, only pulling from the grid to overcome surges and load spikes when needed.26 This "makes a smaller inverter and battery system perform like a much larger one," minimizing grid dependence.25

Alongside the Radian is the classic FX/VFX Series.32 These are the legendary, bulletproof inverters often found in remote cabins 2 and niche applications like 32-volt marine systems.34 They are known for their rugged die-cast aluminum chassis and relentless reliability.32
While the hardware is exceptional, its weakness has always been its complexity. Users report the software and programming logic are "quite complex, and way over the installer's heads".35

B. The Workhorse: FLEXmax Charge Controllers

Because Outback systems are modular, the solar panels do not connect directly to the inverter. They connect to separate MPPT (Maximum Power Point Tracking) charge controllers. Outback's workhorse is the FLEXmax family.36
The FLEXmax 80 (80A) 37 and FLEXmax 100 (100A) 39 are the most common models. These devices optimize the power harvest from the solar array to charge the battery bank. The FM100 is particularly notable for its high 300VDC open-circuit voltage, which "enables 2-string configuration to minimize BOS"—meaning fewer wires and combiner boxes are needed.39 The FM80 includes 128 days of onboard data logging.40 For years, these controllers were the industry benchmark for performance and durability. This modular design is a core philosophy: if a lightning strike destroys your charge controller, you only replace that one component, not your entire inverter system.41

C. The DIY-Friendly (But Complex) Approach: FLEXpower Systems

Outback recognized that wiring all these separate modular components—inverters, controllers, bus bars, and breakers—was intimidating for DIYers and time-consuming for professionals. Their solution was the FLEXpower system.6
A FLEXpower unit is not a single inverter; it is a "pre-configured, pre-wired and pre-tested" system on a single, heavy-duty mounting plate.43 It integrates the Radian or FXR inverter, one or more FLEXmax controllers, the system "brain" (MATE3s), and all the necessary AC and DC wiring boxes and circuit breakers into one "plug and play" unit.6
This system is a brilliant solution to physical complexity. It "take[s] nearly all the complexity out of a solar installation," allowing a competent DIYer or any general electrician to simply hang the 80-pound unit on the wall and make the final connections to the solar array, battery bank, and load center.42
However, the FLEXpower system creates a new barrier: logical complexity. All system programming and configuration is handled through the MATE3s system display and controller.19 This interface is the system's Achilles' heel. It is notoriously non-intuitive, relying on a clunky "control wheel" 45 and obscure, multi-digit passwords (e.g., 141 for users, 1732 for installers) just to access menus.44 There is no "MATEing for Dummies" guide.46
Users consistently report the MATE3s is "more complex and hard [to] setup" than competing products.5 Worse, programming errors in its complex menus can lead to system failure, with users reporting "blackout nights" where the inverter failed to program the transition from battery to grid or generator correctly.35
This 2010-era user interface stands in stark contrast to the modern, Bluetooth-app-based setup of Victron 47 or the large, color touchscreen of Sol-Ark.49 This complexity was manageable when Outback's legendary technical support team was available to walk an installer through the settings. But in the current environment, this combination is disastrous: a complex and unintuitive interface 5 combined with non-existent technical support 9 and a non-functional remote monitoring platform 24 makes the modern Outback ecosystem an unusable and unsupportable choice for a new DIY installer.

III. The Great Divide: All-in-One vs. Component-Based Philosophy

Before comparing the four brands, a DIYer must understand the fundamental design choice that separates them. This is the most important decision in designing a system, as it's a direct trade-off between simplicity and resiliency.

A. All-in-One (AIO) (e.g., Sol-Ark, EG4)

The All-in-One (AIO) model, also known as a hybrid inverter, combines all major components—the DC-to-AC inverter, the AC-to-DC battery charger, and the solar MPPT charge controller(s)—into a single, unified chassis.41

  • Pros: The primary advantage is simplicity. It's the "slap something together and have something that works" approach.51 It massively simplifies the installation, wiring, and configuration.30 This integration also typically results in a lower upfront cost, as all components are bundled from the factory.52
  • Cons: The critical drawback is the single point of failure. As one forum user bluntly put it, "I'd rather have less of my system down in the event of failure".41 If the MPPT section of an AIO fails, the entire unit is dead and must be replaced, taking the whole system offline.53 This design also offers less flexibility for future upgrades or customization.52

B. Component-Based (Modular) (e.g., Outback, Victron)

The component-based or "modular" model treats the system as a set of building blocks.52 The inverter/charger, the solar charge controller(s), and the system "brain" (monitoring unit) are all separate physical devices connected by wiring.50

  • Pros: The key advantages are redundancy and serviceability. This is the professional's choice for a reason. If a single component fails (e.g., one of three charge controllers), the rest of the system can often continue to operate.41 A DIYer can "replace or upgrade components independently" over the life of the system.52 This modularity, and the ability to replace a single failed component, was a primary reason for one user to lean toward Outback's design.54
  • Cons: This flexibility comes at the cost of higher complexity. It requires more "tinkering" 51, significantly more wiring, and more space. This approach also has a higher initial investment, as each component is purchased separately.52

This debate defines the market. The AIOs (Sol-Ark, EG4) offer a simple installation, while the modular systems (Outback, Victron) offer long-term resilience.
However, the classic argument for Outback—its modular resilience for true off-grid use 55—has been completely nullified by its current corporate situation. The theoretical advantage of replacing a single component (as noted in 54) assumes the company will exist to sell that replacement component. The evidence 15 overwhelmingly shows that Outback is no longer supporting, stocking, or warrantying its legacy hardware. The company itself has become the new single point of failure.
This corporate collapse effectively eliminates Outback as a viable modular option. It forces the "serious off-grid DIYer" who understands the importance of redundancy to choose the only other professional-grade modular ecosystem on the market: Victron.9

IV. The Competitor Deep Dive: The "All-in-One" Powerhouses

A. Sol-Ark: The "Premium" AIO

Sol-Ark has established itself as the premium, "gold standard" brand in the AIO hybrid inverter market. Its ecosystem is centered on its 12K 49 and flagship 15K "Whole Home" 57 models. These are high-frequency AIO inverters packed with features.
Key Features (Sol-Ark 15K):

  1. 200A Passthrough: This is the 15K's "killer feature".58 The inverter is designed to be installed between the utility meter and the home's main 200A load center. This means it can use its internal 200A transfer switch to back up the entire home, with "no subpanel needed".58 This radically simplifies what would otherwise be a complex "whole-home backup" installation.
  2. "LEGO-like" Flexibility: The inverter is praised for its "LEGO-like" versatility.59 The 15K model includes three independent MPPT inputs, can be both AC-coupled and DC-coupled simultaneously, and is compatible with a vast array of batteries.57
  3. Ease of Use: Sol-Ark is praised by installers as "the easiest inverter I have installed".58 All its advanced modes (Time-of-Use, Smart Load, Grid Sell) are programmed via a large, user-friendly LCD touchscreen directly on the unit.49

DIY Experience & Support:
The DIY experience is generally very positive. However, its high-frequency (HF) design means it lacks the "brute force" surge capacity of a low-frequency (LF) transformer inverter like the Outback Radian.5 One user on a forum reported their 12K "could not use it with any saw" 60, and another struggled with faults from "unbalanced 120v load[s]" 5—things an LF inverter would handle with ease.
Support is US-based and often praised as "spot on".61 Monitoring is handled via the "MySolArk" web and mobile platform.62 However, support is not flawless. There are significant "horror stories" on forums and the BBB, including a user whose unit was dangerously back-feeding the grid, with support engaging in a "blame game" instead of replacing the unit.64 Others have reported extreme difficulty in getting support for complex, parallel-stacked systems.65
Sol-Ark's primary strength is its installation simplicity for a grid-tied, whole-home backup. It is a less ideal choice for a true off-grid build with heavy-duty surge loads, where the Radian (or Victron) would be superior.30

B. EG4 Electronics: The "Disruptive" AIO

EG4 Electronics, and its primary distributor Signature Solar, has entered the market as a high-volume disruptor. It operates as a vertically-integrated brand, selling not just inverters but also its own wildly popular LiFePOWER4 batteries 66, solar mini-split air conditioners 69, and more.
Key Features (EG4 18kPV):
The EG4 18kPV is a direct competitor to the Sol-Ark 15K.70 It boasts 18,000W of PV input and 12,000W of output.70 Like the Sol-Ark, it also features a 200A AC bypass breaker 71, enabling simple whole-home backup. It is also NEMA 4X outdoor-rated.71
DIY Experience & Support:
The value proposition for EG4 is one thing: price. The 18kPV is consistently and significantly cheaper than the Sol-Ark 15K, offering similar "on-paper" specs for thousands of dollars less.73 This has made it a darling of YouTube reviewers.76
However, the real-world DIY experience is fraught with risk. Forum users report buggy hardware (e.g., a solar mini-split that cannot pull from the grid and solar at the same time 78) and software that "needs work".79
The most critical weakness is the support and warranty. The BBB complaint logs and forum posts are a dumpster fire of user frustration. Common refrains include:

  • "refuse to respond to emails or give us a call back" after a unit failed.80
  • An installer reporting their "electrician is gone now" because the EG4 "strategic team is untouchable and you will never be able to get your questions answered in real time".81
  • Users reporting their systems are so buggy they require EG4 to remotely log in and change "hundreds of settings" just to make the unit function.82

EG4 represents a "high-risk, high-reward" proposition. A DIYer gets Sol-Ark-level specifications for a fraction of the price.73 In exchange, that user must accept that they have no effective warranty or technical support. The "savings" are, in effect, the payment for the customer taking on 100% of the financial and technical risk.
This support model is precisely what Outback Power customers are now experiencing.7 The acquisition of Outback by the same ownership as EG4 16 means the EG4 corporate culture (high-volume sales, non-existent after-sales support) has now officially consumed and replaced the legacy Outback culture. The future of Outback is the EG4 support experience.

V. The Competitor Deep Dive: The "Modular Champion"

A. Victron Energy: The "Blue Smurf" Ecosystem

With Outback's collapse, Victron Energy is the undisputed king of the modular, component-based solar market. The brand (known for its signature "Victron Blue" products, earning its fans the nickname "smurfs") offers an entire "erector set" of professional-grade components that work together in a vast, integrated ecosystem.83

  • Inverters (The "Muscle"): The core of a Victron system is its inverter/charger.
    • MultiPlus: The standard for RVs and smaller homes, it features one AC input.86
    • Quattro: The direct competitor to the Outback Radian, the Quattro features two AC inputs, allowing for seamless integration of both grid and generator power.86
      Both are low-frequency (LF) transformer-based inverters, prized in the marine and RV world for their extreme reliability and massive surge capacity.34
  • Charge Controllers (The "Harvesters"): Victron's SmartSolar MPPTs are the solar charge controllers. The "Smart" in the name means they have Bluetooth built-in for direct-to-phone programming and monitoring.47 They are praised for their "lightning fast" tracking 90 and their intuitive app.48 The naming convention is simple and logical: an MPPT 100/50 can handle 100V maximum from the solar panels and will output 50A maximum to the batteries.90
  • Distribution (The "Skeleton"): Victron solves the complexity of modular wiring with its Lynx system. The Lynx Distributor 91 and Lynx Shunt 92 are modular DC bus bars and fuse holders that click together, creating an incredibly clean, safe, and professional DC distribution system.93 This, combined with a SmartShunt for battery monitoring 95, simplifies "pro-level" wiring for the DIYer.

B. The "Brain": The Cerbo GX

The key to the entire ecosystem is the Cerbo GX. This is the system's "brain" or "communication-centre".96 It is a small box with a powerful processor 97 and a vast array of ports.
It connects to every component in the system:

  • To the Inverter (MultiPlus/Quattro) via a VE.Bus port.
  • To the MPPTs via VE.Direct ports.
  • To the Shunt (or BMS) via a VE.Can port.
  • To a huge range of third-party tank sensors, temperature sensors, and more.96

The Cerbo then serves this data to three places: a local hard-wired GX Touch screen 97, the local VictronConnect app via Bluetooth 100, and (if connected to the internet) the VRM (Victron Remote Management) Portal.96 This is precisely what the Outback MATE3s and OpticsRE combination tries to be, but the Cerbo is a modern, robust, and open platform that actually works.

C. The "Gold Standard" Experience: VictronConnect & VRM

The single biggest reason for a DIYer to choose Victron is the user experience.
VictronConnect (The App): This app is the gold standard for local configuration. A user can connect via Bluetooth directly to a SmartSolar MPPT to check its status 47 or connect to the Cerbo GX to program the entire system.100 This means a DIYer can be standing next to their system in an off-grid cabin with no internet connection and have full, intuitive, app-based control over every setting.48 This is a massive advantage over the clunky MATE3s.
VRM (The Portal): The Victron Remote Management portal is the "gold standard" for cloud monitoring.100 It is rock-solid, and installers love it.103 It provides incredibly deep, historical data logging for troubleshooting 102 and, unlike OpticsRE, allows for remote control and remote firmware updates of the entire system.34
Support (The "Community"): Victron's official support model is a potential frustration: it is handled through its global dealer network, not direct-to-consumer.104 However, this is rarely an issue because the company's documentation (manuals, white papers, "Wiring Unlimited" book) is exhaustive 34, its community support forum is actively monitored by Victron staff (including the CEO) 20, and their library of professional video tutorials is vast.34
The "product" is not just the hardware; it's the entire ecosystem of installation, programming, monitoring, and support. While Outback's hardware was once great, its ecosystem (MATE3s, OpticsRE, Support) is now a nightmare. Victron's hardware is great, and its ecosystem (VictronConnect, VRM, Community) is a joy to use, making it the clear winner for any new modular build.

VI. Head-to-Head: The Ultimate DIY Showdown

This analysis leads to a direct comparison based on what matters most to a DIY installer: installation, programming, monitoring, support, and cost.

Table 1: Flagship Inverter Specification Showdown
Metric Outback Radian GS8048A Victron Quattro 10kVA Sol-Ark 15K EG4 18kPV
Type Low-Frequency (LF) Transformer Low-Frequency (LF) Transformer High-Frequency (HF) AIO High-Frequency (HF) AIO
Continuous Power 8000W 26 8000W (at 25°C) 12000W 12000W 70
Surge Power (5 sec) ~13800W ~16000W ~24000W ~24000W
AC Inputs 2 (Grid + Gen) 26 2 (Grid + Gen) 88 1 (Grid or Gen) 1 (Grid or Gen)
Max PV Input N/A (Uses ext. MPPTs) N/A (Uses ext. MPPTs) 19,500W 57 18,000W 70
Built-in MPPTs 0 0 3 57 3
200A Passthrough No No Yes 58 Yes 71
Monitoring OpticsRE 17 VRM Portal 100 MySolArk 62 EG4 (Proprietary)
Approx. Price (Inverter) ~$5,000* ~$2,800 105* ~$7,000 75 ~$4,900 73

*Note: Prices for Outback and Victron are for the inverter only and do not include required charge controllers, monitoring hardware, or distribution/breakers.

A. Installation & Programming: The "Ease-of-Use" Ladder

  1. 1st (Easiest Install): Sol-Ark. The AIO design and 200A passthrough 58 make the physical install for a whole-home backup the simplest. Its color touchscreen makes programming intuitive.49
  2. 2nd (Easiest Programming): Victron. The physical install is the most complex (many boxes, much wiring).54 However, the programming is arguably the easiest of all, thanks to the brilliant, Bluetooth-based VictronConnect app.47
  3. 3rd (Easy Install, Hard Config): EG4. As an AIO, it clones the physical install simplicity of the Sol-Ark.70 However, the programming is its downfall. It's notoriously buggy and complex, often requiring remote tech support to change "hundreds of settings".82
  4. 4th (Hardest): Outback. The pre-wired FLEXpower system 42 makes the physical install easier than a ground-up Victron build. But the MATE3s programming is a usability nightmare, described as "complex" and "over installer's heads".5 With no support, it is the least intuitive and most frustrating system to configure.

B. Monitoring & Software: The "Cloud" Battle

  1. 1st (Gold Standard): Victron. The VRM Portal is in a class of its own. It offers deep, reliable data, remote firmware updates, and rock-solid stability.34 It is the undisputed champion.
  2. 2nd (Functional): Sol-Ark. The MySolArk platform is functional, provides good graphs, and gets the job done.62 Some users have expressed wariness about data-privacy 53 and opt for third-party monitors like SolarAssistant.106
  3. 3rd (Failed/Dead): Outback. The OpticsRE platform is, for all practical purposes, defunct. As of 2024-2025, it is an "Application Error" mess, plagued by constant, multi-day outages.7 It should be considered a non-existent feature on any new purchase.
  4. 4th (Problematic): EG4. Monitoring is an extension of its buggy software package. The focus is less on a polished cloud portal and more on local control, which is often problematic in itself.78
Table 2: The DIY Ecosystem & Experience
Metric Outback Power Victron Energy Sol-Ark EG4 Electronics
Philosophy Component (Modular) 54 Component (Modular) 54 All-in-One (AIO) 41 All-in-One (AIO) 41
Installation High Complexity (FLEXpower simplifies 42) Highest Complexity 54 Simple 58 Simple 70
Programming MATE3s Wheel (Very Hard) 5 VictronConnect App (Very Easy) 48 Touchscreen (Easy) 49 PC Software (Very Hard/Buggy) 82
Monitoring OpticsRE Victron VRM Portal 100 MySolArk Portal 62 Proprietary
Platform Status Failing / Unreliable 21 Stable / Gold Standard 20 Stable / Functional 62 Buggy / Unreliable 78
Tech Support Non-Existent 7 Dealer-Based 104 US-Based (Hit or Miss) 61 Non-Existent 80
Community Strong (Legacy) 2 Excellent / Active 20 Good / Active 107 Good / Active 79

C. Support & Warranty (The Real Cost)

  1. 1st (Best): Victron. While their official support is dealer-based 104, their ecosystem is the support. The documentation is exhaustive 34, the community forum is professionally monitored 20, and the app is so intuitive 48 that paid support is rarely needed. The company is transparent and the product is reliable.
  2. 2nd (Hit-or-Miss): Sol-Ark. Having US-based support is a plus, and they can be "spot on".61 However, they can also be difficult, especially with complex or intermittent problems, sometimes resorting to a "blame game".64
  3. 3rd (Tie for Worst): EG4 & Outback Power. This is a tie for last place. Both brands are now characterized by non-existent, "untouchable" support teams and a pattern of refusing to service or warranty failed products.7 This is the most critical takeaway: The new owners of Outback have dragged its legendary support model down to the (already very low) level of EG4.

D. Scalability & Redundancy

  • Modular (Victron/Outback) Wins: This is the core strength of the modular design. Stacking multiple inverters (e.g., two Radian 8048s or two Victron Quattros) is the professional way to achieve 120/240V split-phase power and higher output.108 More importantly, it provides redundancy. If one inverter fails, the system can be reconfigured to run critical loads off the remaining unit.111 This is the definition of off-grid resilience.55
  • AIO (Sol-Ark/EG4) Loses: The AIO is a single point of failure.41 If the unit fails, everything goes dark. While AIOs can be parallel-stacked for more power, this adds software complexity 65 and does not provide the same granular redundancy as a true modular system.

E. Total Cost of Ownership (TCO)

  • Upfront Cost (Lowest to Highest):
    1. EG4: The clear budget champion.73
    2. Sol-Ark: A premium AIO. Cheaper than a full component-based build.35
    3. Victron / Outback: Tied for highest upfront cost. A full system (inverter + multiple MPPTs + monitor + distribution) is more expensive than an AIO that bundles it all "in the box".35
  • Total Cost of Ownership (The Real Story): The upfront price is deceptive. The Total Cost must include the risk of failure. An EG4 at $4,900 73 with no effective warranty is a $4,900 gamble. An Outback Radian system that fails cannot be serviced or replaced, making its TCO a total loss. A Victron system, while the most expensive upfront, has the highest likelihood of working for 10-20 years and remaining serviceable, giving it the lowest long-term TCO.

VII. Final Verdict & Expert Recommendations

The DIY solar market has fundamentally shifted. The choice is no longer just about "specs" on a data sheet; it is about ecosystem stability, software usability, and corporate viability. The company you buy from is as important as the hardware itself.

Recommendation 1: For the "Plug-and-Play" Whole-Home Backup (Grid-Tied)

Winner: Sol-Ark 15K
For a DIYer whose primary goal is a grid-tied, whole-home backup system, the Sol-Ark 15K is the best choice. Its 200A passthrough feature is a game-changer for installation simplicity.58 Its intuitive color touchscreen 49 and "good-enough" US-based support 61 make it the most straightforward path for a prosumer to get a powerful, flexible system up and running.53

Recommendation 2: For the "Budget-Conscious" (and Brave) DIY-er

Winner: EG4 18kPV
The price-to-performance ratio of the EG4 18kPV is undeniable.73 However, this is a "buyer beware" recommendation. A customer must be highly technically proficient, comfortable using forums as their only source of support 79, and be willing to accept the significant risk of total hardware failure with no effective warranty.80 The thousands of dollars saved are the compensation for taking on this 100% risk.

Recommendation 3: For the "Ultimate Reliability" Off-Grid or Marine Build

Winner: Victron (Quattro + SmartSolar)
For a true off-grid homestead, a remote cabin, or a high-reliability marine build, Victron is the new "pro" choice. It is the spiritual successor to what Outback used to be. The modular design 54, robust low-frequency surge capacity 112, and best-in-class VictronConnect app and VRM monitoring portal 34 make it the "buy once, cry once" system for those who simply cannot afford failure.

The Final Outback Verdict: AVOID (For New Builds)

Based on the entire body of evidence, no new DIY build should be based on Outback Power hardware.
The company is in a state of corporate collapse. The new ownership, which is tied to EG4 7, has shown every sign of "phasing out" the legacy hardware and is failing to support it.9

  • There is no functional technical support.7
  • There is no warranty support.9
  • The remote monitoring (OpticsRE) is non-functional.21
  • The programming (MATE3s) is complex and now unsupportable.5

Buying a new Radian or FLEXpower system today is buying a "dead-end" product. It is a piece of well-engineered hardware with no company standing behind it. The only reason to purchase Outback parts in 2025 is for a "like-for-like" replacement of a failed component in an existing system—and even then, finding those parts will be difficult.15
The "Masters of the Off-Grid" have, unfortunately, vanished.

Works cited

1. History - OutBack Power Inc, accessed November 11, 2025, https://old.outbackpower.com/about-outback/outback-power/history
2. Outback Power : r/solar - Reddit, accessed November 11, 2025, https://www.reddit.com/r/solar/comments/1kji76u/outback_power/
3. Are OutBack Power Systems inverters the best solar inverters to buy? - SolarReviews, accessed November 11, 2025, https://www.solarreviews.com/manufacturers/outback-power-systems
4. Anybody still use an Outback Power system?, accessed November 11, 2025, https://diysolarforum.com/threads/anybody-still-use-an-outback-power-system.106526/
5. Sol-Ark 12K vs Outback Radian GS8048a for Reliable Backup | DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/sol-ark-12k-vs-outback-radian-gs8048a-for-reliable-backup.33804/
6. OutBack Power FLEXpower Radian— Just mount, plug and play., accessed November 11, 2025, https://outbackpower.com/downloads/documents/flyers/flexpowerradian_flyer.pdf
7. Outback power - New Ownership - What I've discovered, accessed November 11, 2025, https://diysolarforum.com/threads/outback-power-new-ownership-what-ive-discovered.107782/
8. OutBack Power - Profile & Reviews - 2025 - EnergySage, accessed November 11, 2025, https://www.energysage.com/supplier/20115/outback/
9. What is the status of Outback Power, accessed November 11, 2025, https://forum.outbackpower.com/viewtopic.php?t=19275
10. OutBack Power Systems has new owner, name | HeraldNet.com, accessed November 11, 2025, https://www.heraldnet.com/uncategorized/outback-power-systems-has-new-owner-name/
11. Powering the Future - EnerSys, accessed November 11, 2025, https://www.enersys.com/493bb4/globalassets/about-us/sustainability/enersys-sustainability-update-july-2021.pdf
12. Outback Power website is offline | Page 2 - DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/outback-power-website-is-offline.108700/page-2
13. OFFICIAL STATEMENT OF OPTICS RE DOWNTIME - OutBack Power Technologies User Forum, accessed November 11, 2025, https://forum.outbackpower.com/viewtopic.php?t=18711
14. future - OutBack Power Technologies User Forum, accessed November 11, 2025, https://forum.outbackpower.com/viewtopic.php?t=18816
15. Outback Power - Buyers Beware, accessed November 11, 2025, https://diysolarforum.com/threads/outback-power-buyers-beware.110318/
16. City Council Special Meeting Minutes-May 14, 2024 Page 1 of 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 - Commerce TX, accessed November 11, 2025, https://www.commercetx.org/media/3901
17. Optics RE – Outback power, accessed November 11, 2025, https://outbackpower.com/product/optics-re/
18. Monitor Your System - Outback power, accessed November 11, 2025, https://outbackpower.com/downloads/documents/flyers/OPTICSRE_flyer.pdf
19. Demo of Remote Monitoring with Optics RE from OutBack Power - YouTube, accessed November 11, 2025, https://www.youtube.com/watch?v=dPHibL89aGI
20. Outback upgrade versus total rebuild to all Victron, or other | DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/outback-upgrade-versus-total-rebuild-to-all-victron-or-other.84749/
21. OpticsRE - OutBack Power Technologies User Forum, accessed November 11, 2025, https://forum.outbackpower.com/viewforum.php?f=46
22. OutBack Power Technologies User Forum, accessed November 11, 2025, https://forum.outbackpower.com/viewforum.php?f=1
23. Optics RE / Outback | DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/optics-re-outback.104718/
24. OpticsRE and website outage - OutBack Power Technologies User Forum, accessed November 11, 2025, https://forum.outbackpower.com/viewtopic.php?t=19324
25. Radian™ Series – Outback power, accessed November 11, 2025, https://outbackpower.com/product/radian-series/
26. Radian A-Series™ - Outback power, accessed November 11, 2025, https://outbackpower.com/downloads/documents/inverter_chargers/radian_8048a_4048a/radianseries_8048a_4048a_specsheet.pdf
27. OutBack Power GS8048A-01 Radian Series Inverter 8kW - Stellavolta.com, accessed November 11, 2025, https://www.stellavolta.com/Outback-Power-Radian-Series-Grid-Hybrid-8kW-Inverter-Charger-GS8048A.htm
28. Radian Series Inverter/Charger - Outback power, accessed November 11, 2025, https://www.outbackpower.com/downloads/documents/inverter_chargers/radian_8048a_4048a/gs_8048a_4048a_install.pdf
29. Outback Power Radian Series 7kW 48V Inverter/Charger 230V - GS7048E - ShopSolar: Complete Solar Kits + Lifetime Customer Support, accessed November 11, 2025, https://shopsolarkits.com/products/outback-power-radian-series-7kw-48v-inverter-charger-230v
30. Best Inverter setup | DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/best-inverter-setup.77352/
31. Why We Recommend Outback Radian vs Sol-Ark Inverters - SouthFace Solar Electric, accessed November 11, 2025, https://southfacesolar.com/solar-blog/why-southface-solar-recommends-outback-radian-inverters-vs-sol-ark-inverters/
32. Outback power - Product Guide, accessed November 11, 2025, https://outbackpower.com/downloads/documents/catalog/product_guide.pdf
33. Outback Power - The Solar store, accessed November 11, 2025, https://thesolarstore.com/collections/outback-power
34. Outback Inverters - Not Anymore - Adventures of Tanglewood, accessed November 11, 2025, https://www.mvtanglewood.com/2024/01/outback-inverters-not-anymore.html
35. Solark VS Outback Radian All-in-one systems? Which would you choose? - Reddit, accessed November 11, 2025, https://www.reddit.com/r/SolarDIY/comments/170wuuu/solark_vs_outback_radian_allinone_systems_which/
36. FLEXmax 60/FLEXmax 80 - Charge Controllers - Outback power, accessed November 11, 2025, https://outbackpower.com/product/flexmax-60-80/
37. FLEXmax 60/80™ - Outback power, accessed November 11, 2025, https://outbackpower.com/downloads/documents/charge_controllers/flexmax_6080/specsheet.pdf
38. Outback Power FLEXmax FM80 MPPT Solar Charge Controller, accessed November 11, 2025, https://www.solar-electric.com/outback-power-flexmax-fm80-150-mppt-charge-controller.html
39. FLEXmax 100 AFCI™ - Outback power, accessed November 11, 2025, https://outbackpower.com/downloads/documents/charge_controllers/flexmax_100_afci/outback_082019_flexmax100afci_datasheet.pdf
40. OutBack FLEXmax 60 FM60-150VDC Charge Controller - RES Supply, accessed November 11, 2025, https://ressupply.com/charge-controllers/outback-flexmax-fm60-charge-controller
41. All in One vs separate units | DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/all-in-one-vs-separate-units.55210/
42. Maine Outback Installer - OutBack Power Technologies User Forum, accessed November 11, 2025, https://forum.outbackpower.com/viewtopic.php?t=16308
43. THE ENERGY THE POWER THE SYSTEM, accessed November 11, 2025, https://www.outbackpower.com/downloads/documents/flyers/makestoremanage_trifold.pdf
44. Programming Guide - MATE3s System Display and Controller - Outback power, accessed November 11, 2025, https://www.outbackpower.com/downloads/documents/system_management/mate3s/mate3s_programmingguide_web.pdf
45. Programming Guide - Residential & Commercial Solar Solutions with Energy Storage - OutBack Power Inc, accessed November 11, 2025, https://old.outbackpower.com/downloads/documents/system_management/mate3/mate3_prg_web.pdf
46. Mate3s Manual or Documentation - OutBack Power Technologies User Forum, accessed November 11, 2025, https://forum.outbackpower.com/viewtopic.php?t=15067
47. SmartSolar MPPT 100/50 Solar Charge Controller - Battle Born Batteries, accessed November 11, 2025, https://battlebornbatteries.com/product/victron-smartsolar-mppt-100-50/
48. Victron 100/30 MPPT Charge Controller Test + Review - YouTube, accessed November 11, 2025, https://www.youtube.com/watch?v=FhLZYF4FxTY
49. Sol-Ark® Essentials 12K-2P Hybrid Inverter | Residential Energy Storage, accessed November 11, 2025, https://www.sol-ark.com/residential/12k-essentials-inverter/
50. The Complete Guide to Solar Inverters - EcoFlow, accessed November 11, 2025, https://www.ecoflow.com/za/blog/the-complete-guide-to-solar-inverters
51. All in one vs separate inverter/charger for first system? - DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/all-in-one-vs-separate-inverter-charger-for-first-system.43325/
52. All-in-One vs. Inverter + Battery Systems - Techfine, accessed November 11, 2025, https://techfinepv.com/all-in-one-vs-inverter-battery-systems/
53. Victron or sol ark : r/SolarDIY - Reddit, accessed November 11, 2025, https://www.reddit.com/r/SolarDIY/comments/167hcw4/victron_or_sol_ark/
54. Brand preferance | DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/brand-preferance.95027/
55. Decision between victron 2x5kva or solark 15k | DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/decision-between-victron-2x5kva-or-solark-15k.66218/
56. PODCAST - All-in-One vs. Modular Solar Systems: Which is Best for You? - YouTube, accessed November 11, 2025, https://www.youtube.com/watch?v=jsWX9T6CVBQ
57. Sol-Ark® Whole Home 15K-2P Hybrid Inverter | Residential Energy Storage, accessed November 11, 2025, https://www.sol-ark.com/residential/15k-whole-home-inverter/
58. Sol-Ark 15K Hybrid Solar Inverter – All in One - Practical Preppers, accessed November 11, 2025, https://practicalpreppers.com/product/sol-ark-15k-hybrid-solar-inverter/
59. Best inverter system for resi? : r/solar - Reddit, accessed November 11, 2025, https://www.reddit.com/r/solar/comments/1akpza2/best_inverter_system_for_resi/
60. A Sol-ark 15k and 12k -- not in parallel -- for off-grid redundancy and capacity -- am I nuts?, accessed November 11, 2025, https://diysolarforum.com/threads/a-sol-ark-15k-and-12k-not-in-parallel-for-off-grid-redundancy-and-capacity-am-i-nuts.88900/page-2
61. Does anyone have hands on experience with Sol-Ark? Their hardware seems so smart, has every feature. Only read about them and seen them at conferences. : r/solar - Reddit, accessed November 11, 2025, https://www.reddit.com/r/solar/comments/sfv5du/does_anyone_have_hands_on_experience_with_solark/
62. MySolArk Manual (EN), accessed November 11, 2025, https://www.sol-ark.com/wp-content/uploads/2024/05/My_SolArk_User_Guide.pdf
63. mysolark, accessed November 11, 2025, https://www.mysolark.com/
64. Sol-Ark | BBB Complaints | Better Business Bureau, accessed November 11, 2025, https://www.bbb.org/us/tx/plano/profile/solar-energy-equipment-dealers/portable-solar-llc-0875-90796467/complaints
65. Poor experience with Sol-Ark 15k | DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/poor-experience-with-sol-ark-15k.83699/
66. EG4® LIFEPOWER4 48V LITHIUM BATTERY, accessed November 11, 2025, https://eg4electronics.com/wp-content/uploads/2024/04/EG4-LifePower4-48V-Spec-Sheet.pdf
67. EG4® LifePower4 48V 100AH Lithium Iron Phosphate Battery, accessed November 11, 2025, https://eg4electronics.com/categories/batteries/eg4-lifepower4-48v-100ah-lithium-iron-phosphate-battery/
68. EG4 LifePower4 48V Spec Sheet - Signature Solar, accessed November 11, 2025, https://signaturesolar.com/content/documents/EG4/EG4%20LifePower4%2048V%20Spec%20Sheet-2.1.0.pdf
69. Solar Energy Products - EG4 Electronics, accessed November 11, 2025, https://eg4electronics.com/categories/
70. EG4 Electronics - ShopSolar: Complete Solar Kits + Lifetime Customer Support, accessed November 11, 2025, https://shopsolarkits.com/collections/eg4
71. EG4 18kPV Inverter Review: Is it Still Worth it in 2025? - The Solar Lab, accessed November 11, 2025, https://www.thesolarlab.com/review/eg4-18kpv-inverter-review
72. Is the EG4 18Kpv the best choice for my new installation? Your thoughts please!, accessed November 11, 2025, https://diysolarforum.com/threads/is-the-eg4-18kpv-the-best-choice-for-my-new-installation-your-thoughts-please.64935/
73. Finally EG4 18K-PV vs Sol-Ark 15K: Head to Head in the Real World Testing - Reddit, accessed November 11, 2025, https://www.reddit.com/r/SolarDIY/comments/1l94t0o/finally_eg4_18kpv_vs_solark_15k_head_to_head_in/
74. Sol-Ark 12k vs. Sol-Ark 15k vs. EG4 18kPV specs - GitHub, accessed November 11, 2025, https://gist.github.com/dotspencer/f7430484bc246f5f9e0b5ace2a49d7d5
75. SolArk 12k/15k vs EG4 18kPV: Comparing Top Solar Inverters for Efficiency and Value, accessed November 11, 2025, https://solarguyspro.com/blogs/news/solark-vs-eg4
76. EG4 18kPV - Still Worth It In 2025? - YouTube, accessed November 11, 2025, https://www.youtube.com/watch?v=kVvRFGhlslo
77. EG4 18KPV + 113KWh LiFePO4 = Offgrid Bliss! - YouTube, accessed November 11, 2025, https://www.youtube.com/watch?v=CVrgZPQYQYE
78. Why you should not buy EG4 minisplits (or other EG4 products) : r/diySolar - Reddit, accessed November 11, 2025, https://www.reddit.com/r/diySolar/comments/1duiuwx/why_you_should_not_buy_eg4_minisplits_or_other/
79. Biased towards EG4? - DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/biased-towards-eg4.101184/
80. EG4 Electronics LLC | BBB Complaints | Better Business Bureau, accessed November 11, 2025, https://www.bbb.org/us/tx/sulphur-springs/profile/solar-energy-equipment-dealers/eg4-electronics-llc-0875-91346224/complaints
81. How in the heck does anyone get tech support from Signature Solar?, accessed November 11, 2025, https://diysolarforum.com/threads/how-in-the-heck-does-anyone-get-tech-support-from-signature-solar.88276/
82. So many problems with new eg4 system : r/SolarDIY - Reddit, accessed November 11, 2025, https://www.reddit.com/r/SolarDIY/comments/152y662/so_many_problems_with_new_eg4_system/
83. Products | Victron Energy, accessed November 11, 2025, https://www.victronenergy.com/products
84. Off-grid - Victron Energy, accessed November 11, 2025, https://www.victronenergy.com/markets/off-grid
85. Victron Energy | Independent energy systems engineered to outlast, accessed November 11, 2025, https://www.victronenergy.com/
86. Multiplus or Quattro ? Here's what you need to know before choosing your ​Victron inverter. - YouTube, accessed November 11, 2025, https://www.youtube.com/shorts/FokkogKc7fA
87. Which Victron Inverter is Best? MultiPlus, MultiPlus-II, or Quattro? - Volts energies, accessed November 11, 2025, https://volts.ca/blogs/educational/which-victron-inverter-should-you-choose-a-deep-dive-into-multiplus-multiplus-ii-and-quattro-models
88. Victron Quattro vs MultiPlus - PowerStore, accessed November 11, 2025, https://powerstore.com/blog/post/victron-quattro-vs-multiplus
89. multiplus-II or Quattro : r/Victron - Reddit, accessed November 11, 2025, https://www.reddit.com/r/Victron/comments/147pn1a/multiplusii_or_quattro/
90. Solar charge controllers | Victron Energy, accessed November 11, 2025, https://www.victronenergy.com/solar-charge-controllers
91. Lynx Distributor | Victron Energy, accessed November 11, 2025, https://www.victronenergy.com/dc-distribution-systems/lynx-distributor
92. Lynx Shunt VE.Can - Victron Energy, accessed November 11, 2025, https://www.victronenergy.com/dc-distribution-systems/lynx-shunt-ve-can
93. 4. System Design - Victron Energy, accessed November 11, 2025, https://www.victronenergy.com/media/pg/Lynx_Power_In/en/system-design.html
94. 5.1. Lynx distribution system parts - Victron Energy, accessed November 11, 2025, https://www.victronenergy.com/media/pg/Lynx_Distributor/en/system-design.html
95. Best way to mount smart shunt between Lynx components | DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/best-way-to-mount-smart-shunt-between-lynx-components.96772/
96. Understanding the Victron Cerbo GX Functions - EXPLORIST.life, accessed November 11, 2025, https://explorist.life/understanding-the-victron-cerbo-gx-functions/
97. Cerbo GX - Victron Energy, accessed November 11, 2025, https://www.victronenergy.com/communication-centres/cerbo-gx
98. Victron Cerbo GX Basics - YouTube, accessed November 11, 2025, https://www.youtube.com/watch?v=1Gu9Ezugojc
99. 13. VRM Portal - Cerbo GX - Victron Energy, accessed November 11, 2025, https://www.victronenergy.com/media/pg/Cerbo_GX/en/vrm-portal.html
100. VRM - Remote monitoring - Victron Energy, accessed November 11, 2025, https://www.victronenergy.com/panel-systems-remote-monitoring/vrm
101. accessed November 11, 2025, https://explorist.life/understanding-the-victron-cerbo-gx-functions/#:~:text=The%20Victron%20Cerbo%20GX%20is,through%20the%20Victron%20VRM%20Portal.
102. Exploring All the Features of the Victron VRM Portal | The Off-Grid Shop - YouTube, accessed November 11, 2025, https://www.youtube.com/watch?v=3eNtorY_oeg
103. VRM: Victron Remote Management - App Store - Apple, accessed November 11, 2025, https://apps.apple.com/us/app/vrm-victron-remote-management/id658834560
104. Losing faith in Victron. | Page 4 - DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/losing-faith-in-victron.87390/page-4
105. Victron Energy Quattro - Solarflexion, accessed November 11, 2025, https://www.solarflexion.com/victron-energy-quattro-s/608.htm
106. Sol-Ark monitoring from a Raspberry Pi | SolarAssistant Software, accessed November 11, 2025, https://solar-assistant.io/explore/solark
107. Cloud-free Sol-Ark 15K Monitoring | DIY Solar Power Forum, accessed November 11, 2025, https://diysolarforum.com/threads/cloud-free-sol-ark-15k-monitoring.50855/
108. Stacking OutBack Power Inverters - Stellavolta.com, accessed November 11, 2025, https://www.stellavolta.com/blog/stacking-outback-power-inverters/
109. Dual Radian stacking and inverter bypass switches - OutBack Power Technologies User Forum, accessed November 11, 2025, https://forum.outbackpower.com/viewtopic.php?t=7776
110. Outback vs EG4/Victron/Sungold Power, accessed November 11, 2025, https://diysolarforum.com/threads/outback-vs-eg4-victron-sungold-power.84371/
111. Wiring and Generator questions - OutBack Power Technologies User Forum, accessed November 11, 2025, https://forum.outbackpower.com/viewtopic.php?t=17291
112. Considering a new EG4 6000XP All-In-One or piecing together Victron or Outback setup for my new system. Is the quality of the Victron/Outback components worth the added cost? : r/SolarDIY - Reddit, accessed November 11, 2025, https://www.reddit.com/r/SolarDIY/comments/1f7bguw/considering_a_new_eg4_6000xp_allinone_or_piecing/

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