EG4-12000xp Off-Grid Inverter + EG4-WallMount Indoor Battery Package

The EG4-12000XP Off-Grid Inverter and WallMount Indoor 280Ah Battery combo offers a powerful and scalable energy solution for residential and light commercial applications. This high-performance package brings together a true off-grid hybrid inverter with one of the safest, most advanced lithium storage solutions on the market. Designed to work seamlessly together, this package is ideal for backup power, off-grid homes, and energy independence projects.

EG4-12000XP INVERTER: UNCOMPROMISING POWER & PERFORMANCE

The EG4-12000XP is a 12kW split-phase 120/240V off-grid inverter built for demanding energy applications. Featuring an ultra-fast 500V MPPT solar input, smart load management, and support for multiple battery chemistries, it delivers everything you need in one rugged package.

ALL-IN-ONE OFF-GRID HYBRID INVERTER
Supports solar, generator, and battery integration with seamless switching and intelligent priority settings.

HIGH-VOLTAGE MPPT CONTROLLER BUILT-IN
Accepts up to 500VDC PV input directly, eliminating the need for a separate charge controller and reducing installation costs.

240V SPLIT-PHASE READY OUT OF THE BOX
Supports large appliances and whole-home backup with dual 120V legs, no transformer required.

PARALLEL CAPABILITY
Connect up to 16 inverters for a massive 192kW system with full communication and load balancing.

SMART MONITORING & CONTROL
Built-in Wi-Fi, RS485, and CAN communication support. Monitor your system through the EG4 monitoring app or integrate into your custom energy management system.

LOW-FREQUENCY PURE SINE WAVE DESIGN
Provides robust surge capability, ideal for inductive loads like compressors and motors.

EG4 WALLMOUNT INDOOR BATTERY: SAFE, SCALABLE, SMART

The WallMount Indoor 280Ah battery is engineered for long-term energy storage with high safety standards. With built-in intelligence and seamless integration with EG4 inverters, it’s the perfect complement for residential and small commercial installs.

INTEGRATED LCD TOUCH SCREEN
Access detailed BMS data directly from the battery—track voltage, current, and cell performance in real time.

600A INTERNAL BUSBARS
Multiple terminals for parallel configurations with no need for external busbars—designed with scalability in mind.

INTELLIGENT BMS WITH PASSIVE CELL BALANCING
Ensures each cell performs at peak efficiency, maximizing cycle life and safety.

SELF-HEATING FOR COLD WEATHER PERFORMANCE
Charge confidently in colder climates with internal self-heating capabilities.

FIRE ARRESTORS & EMERGENCY STOP COMPATIBILITY
Safety-first design includes dual fire arrestors and compatibility with rapid shutoff systems.

DESIGNED FOR EG4 CONDUIT INTEGRATION
Use the optional conduit box for a sleek connection to EG4 inverters or seal ports for standalone use.

TECHNICAL SPECIFICATIONS

EG4-12000XP Inverter

• Continuous Power Output: 12,000W (split phase, 120/240V)

• Surge Power: 36,000W

• Battery Voltage: 48V

• Max PV Input Voltage: 500V

• Max PV Input Power: 15,000W

• AC Input: Grid or Generator

• Communication: RS485, CAN, Wi-Fi

• Certifications: UL 1741, IEEE 1547 (USA), CSA C22.2 (Canada)

EG4 WallMount Battery

• Voltage: 51.2V

• Capacity: 280Ah (14.3kWh)

• Max Charge/Discharge: 200A (continuous)

• Cycle Life: >8000 Cycles (80% DoD)

• Design Life: 15+ Years

• Weight: 282.2 lbs (128 kg)

• Certifications: UL1973, UL9540A (Tested)

• Ingress Protection: IP20

• Operating Temp: Charge: 0°C to 45°C | Discharge: -20°C to 50°C