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eg4|SKU:1510979

EG4 12000XP Off-Grid Inverter V2 — 24kW Solar Input, 12kW Split-Phase Output

24 kW Solar Input. Zero Combiner Box Required.

24 kW solar input — No combiner box required for high-voltage PV strings
Dual MPPT tracking — Maximizes harvest from two independent PV arrays
16 units in parallel — Scale up to 240 kW for large installations
Closed-loop battery comms — Integrates directly with EG4 48V batteries
18 kW surge capacity — Handles heavy motor starts for 5 seconds
  • FREE System Design Consultation -- Our engineers size your system for your actual consumption
  • FREE Shipping -- Ships free, including LTL freight on large orders
  • Compatibility Guarantee -- Pre-vetted to work with EG4 48V batteries and supported brands

$1,666.95

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EG4 12000XP Off-Grid Inverter V2 | 48V Split Phase | 24kW PV Input | 12kW Power Output
EG4 12000XP Off-Grid Inverter V2 | 48V Split Phase | 24kW PV Input | 12kW Power Output
$1,666.95

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In the box

  • EG4 12000XP Off-Grid Inverter V2
  • Wi-Fi module for EG4 App connectivity
EG4 12000XP Off-Grid Inverter V2 | 48V Split Phase | 24kW PV Input | 12kW Power Output
EG4 12000XP Off-Grid Inverter V2 — 24kW Solar Input, 12kW Split-Phase Output
$1,666.95

24 kW Solar Input. Zero Combiner Box Required.

The EG4 12000XP is a field-tested, grid-independent split-phase inverter built for homes and remote installations that demand serious power. With 24 kW solar input across dual MPPTs and up to 15,000W output, this off-grid unit handles full residential loads without external combiner boxes. Expandable to 16 units in parallel, it's a built-to-survive backbone for any self-reliant system. Finance with Affirm — pay as low as $139/month on approved credit.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
24 kW Solar Input
18kW / 5s Surge
No Combiner Box
16 Units in Parallel
12,000W
Continuous Output
24,000W
Max PV Input
240 kW
Max Parallel Output
Eliminate Incompatible Components From Day One

Eliminate Incompatible Components From Day One

Grid-tied inverters that shut down during outages are not independence — they are bill reducers still chained to the utility. The EG4 12000XP operates as a true off-grid power source whether the grid exists or not. At Off Grid Vault, every inverter we sell is pre-vetted for compatibility with the batteries and charge controllers in our system packages. No mix-and-match guesswork, no mismatched BMS protocols, no discovering three months in that your inverter will not talk to your battery bank. This inverter integrates directly with EG4 48V batteries through closed-loop communication for accurate charging and safe operation. You build a system that works together — because we already confirmed it does.

Capture Maximum Solar Without Extra Hardware

Capture Maximum Solar Without Extra Hardware

The 12000XP accepts up to 480 VDC and 24 kW of solar input across dual MPPT controllers — the only off-grid ESS inverter that handles this capacity without requiring an external combiner box. Fewer components means fewer failure points, cleaner wiring, and a simpler install. Each MPPT independently tracks its PV string, so partial shading on one array does not drag down the other. If your cabin has panels on two roof faces with different sun exposure, both strings harvest at their individual maximum. For homesteads running 20–25 kWh per day, this dual-tracking architecture means you squeeze every watt from your panels through changing weather and seasonal angles.

Scale Your System As Your Needs Grow

Scale Your System As Your Needs Grow

Starting with one 12000XP gives you 12,000W continuous output and an 18 kW surge for motor starts. But if your homestead expands — adding a workshop, a well pump, or an outbuilding — this inverter supports up to 16 units in parallel for a total of 240 kW. That scalability means you invest once in a proven platform and grow incrementally instead of replacing your entire inverter when your power demands increase. Remote monitoring through the EG4 App and Monitor Center keeps you informed on production, battery state of charge, and system status from your phone. Off-grid proven at 32°F to 113°F operating temperature, this inverter handles the conditions real homesteads face.

System Compatibility

Verify these conditions before adding to your build.

  • 48V battery bank with >400Ah capacity
  • PV array ≤480 VDC total string voltage
  • Wall-mount available for 34.25 × 20.87 in unit

Built For

Where the 12000XP delivers.

Full Off-Grid Homes
Remote Cabins
Backup Power Systems
Light Commercial Install

Full specifications

At a glance

Dimensions
34.25 × 20.87 × 5.91 in
Power
15,000W with PV input* / 12,000W without PV
Warranty
See product page
Full specifications11 data points across 4 categories

Dimensions

Dimensions34.25 × 20.87 × 5.91 in
Weight104.7 lbs

Power & Performance

Nominal Power Output15,000W with PV input* / 12,000W without PV
PV Input CapacityUp to 24,000W (480 VDC max)
Surge Capacity18kW (5 seconds)
Recommended Battery Capacity>400Ah per inverter
Battery CommunicationsClosed-loop compatible with EG4 48V batteries + supported brands
ConnectivityPlug-in Wi-Fi module for EG4 App / EG4 Monitor

Materials

ConstructionSee product page

Compliance & Warranty

Operating Temperature32°F – 113°F (0°C – 45°C) @ full load
WarrantySee product page

The Off Grid Vault Promise

What you get when you buy from us.

30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right — uninstalled returns in original packaging.
Free ShippingShips free on all orders, including LTL freight for large systems.
Free System Design ConsultationOur engineers size your system for your actual consumption — no guesswork, no incompatible components.
★★★★★
“I replaced a grid-tied inverter that went dead during a 3-day outage with the 12000XP. Now my cabin runs full split-phase — well pump, fridge, chest freezer, lights — completely independent of the grid. The dual MPPT is pulling real numbers even on partly cloudy days. Setup was straightforward with the EG4 app. Wish I had done this years ago.”
F
First L.Prescott, AZ

EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output

The EG4 12000XP is a powerful split-phase off-grid inverter designed to keep homes, cabins, and remote locations running smoothly. It stands out as the only off-grid ESS system that can handle up to 24 kW of solar input without requiring a combiner box, and its dual MPPT design helps you capture as much solar energy as possible. Created for tough off-grid conditions, it offers strong system management, seamless battery compatibility, and expandable performance for anyone looking to build a long-lasting, independent power setup.

The EG4 12000XP works well for a wide range of setups—from residential homes and cabins to fully off-grid or remote locations that need steady, high-capacity power. It can also be used in commercial or light industrial environments where expandable storage and multi-inverter options are important. Whether you’re building a hybrid system, securing reliable backup power, or running a complete off-grid installation, this inverter is designed to handle it.


EG4 12000XP Off-Grid Inverter

EG4 12000XP Off-Grid Inverter V2 Specs

  • Nominal Power Output: 15,000W with PV input* / 12,000W without PV
  • PV Input Capacity: Up to 24,000W (480 VDC max)
  • Recommended Battery Capacity: >400Ah per inverter
  • Battery Communications: Closed-loop compatible with EG4 48V batteries + supported brands
  • Connectivity: Plug-in Wi-Fi module for EG4 App / EG4 Monitor
  • Surge Capacity: 18kW (5 seconds)
  • Dimensions: 34.25 × 20.87 × 5.91 in
  • Operating Temperature: 32°F – 113°F (0°C – 45°C) @ full load
  • Weight: 104.7 lbs

Model Note: 15 kW output is available only on V2 option. The Original model is maxed out at 12 kW.


EG4 12000XP Off-Grid Inverter V2 Features

  • Accepts up to 480 VDC and 24 kW of solar input, reducing cabling requirements and simplifying system design.
  • Maximizes solar energy production by independently tracking two PV strings for stable performance in changing conditions.
  • Allows remote system monitoring and adjustments through the EG4 App or Monitor Center for added convenience and visibility.
  • Integrates directly with EG4 48V batteries and supported brands for accurate charging, protections, and safe operation.
  • Manages dedicated circuits or appliances through load shedding, AC coupling, or selective power delivery to increase system efficiency.
  • Supports up to 16 units in parallel, enabling large systems up to 240 kW of total output.


Your Satisfaction with EG4 is Guaranteed:

  • 5-Year Limited Warranty
  • Lowest Price Guarantee

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Frequently Asked Questions

This inverter is the core of a system that replaces your utility bill entirely. Pair it with panels and an EG4 48V battery bank, and you are looking at a complete setup that pays for itself in 3–4 years at average residential rates. After that, every dollar you previously sent to the power company stays in your pocket. Unlike a gas generator that requires ongoing fuel purchases, the 12000XP uses free solar input — no fuel, no maintenance cycles, no recurring costs.
Yes. Off Grid Vault is an authorized EG4 dealer, which means your warranty claims go through us directly — not through a ticket queue with a third-party marketplace. If something fails, you contact us and we handle it. That is the difference between buying from a store that stands behind what it sells and buying a box from a generic listing with no after-offer accountability.
EG4 recommends a minimum of 400Ah at 48V per inverter. For most homesteads running 15–25 kWh per day, a 400–600Ah LiFePO4 bank provides a comfortable buffer with days of autonomy. We offer a free system design consultation — tell us your daily consumption and appliance list, and our engineers will spec the exact battery bank and panel array for your setup. No guesswork, no incompatible components.
For a competent installer or experienced DIY builder, the 12000XP can be commissioned in a day. The high-voltage DC input eliminates the need for an external combiner box, which reduces wiring complexity. If you need guidance, our free system design consultation includes a recommended wiring diagram and component list for your specific setup. We do not leave you to figure out the architecture on your own.
The 12000XP is rated for 32°F to 113°F at full load — temperatures real off-grid installations experience across every season. At 104.7 lbs and 34.25 × 20.87 × 5.91 in, it is built as a permanent installation unit, not a portable device. The 18 kW surge capacity handles heavy motor starts like well pumps and compressors that strain lesser inverters. This is off-grid proven hardware designed for the conditions your homestead actually faces.
The 12000XP uses closed-loop communication with EG4 48V batteries for accurate charging and protection. It also supports compatible third-party brands through its supported communications protocols. If you have an existing battery bank, contact us before purchasing — our system design consultation will confirm whether your batteries communicate properly with this inverter. Compatibility is not something to guess at, which is why we verify it upfront for every customer.
SKU: 1510979 Category: Brand:

The Off Grid Vault Promise

What you get when you buy from us.

30-Day Performance Guarantee If it doesn't perform as specified, we make it right — uninstalled returns in original packaging.
Free Shipping Ships free on all orders, including LTL freight for large systems.
Free System Design Consultation Our engineers size your system for your actual consumption — no guesswork, no incompatible components.

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About eg4 Off-Grid Inverters

eg4 is a trusted manufacturer of premium off-grid inverters. OffGridVault is an authorized dealer offering the full eg4 lineup with free delivery, price match guarantee, and expert support.

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