Product Summary:
The EG4 280Ah WallMount Indoor LiFePO₄ Battery is a high-capacity, UL-certified energy storage solution designed for residential and commercial ESS applications. Delivering 14.3kWh of storage, it provides reliable, long-lasting performance for home backup, energy savings, and off-grid systems.
Built with advanced LiFePO₄ battery chemistry, this system offers 8,000+ cycles at 80% depth of discharge, ensuring exceptional lifespan and value. An intelligent Battery Management System (BMS) with real-time monitoring and an integrated LCD touchscreen allows for easy system visibility and control.
Designed for safety and efficiency, the battery features automatic self-heating for cold climates and an emergency stop (E-Stop) for rapid shutdown when needed. With RS485 and CANBus communication, it integrates seamlessly with leading hybrid inverters for flexible grid-tied and off-grid installations.
Ships From: Texas, USA
Warranty: 10 Years
Support: Lifetime USA-Based Tech Support
Compatibility
UL 9540 Certified + Closed-Loop Communication (Grid-Tied):
- EG4 12kPV
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EG4 18kPV
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EG4 FlexBoss18
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EG4 FlexBoss21
Closed-Loop Communication (Off Grid Non-UL 9540 Installs):
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All BigBattery APEX Inverters
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All EG4 Inverters
Key Features
- 14.3kWh LiFePO₄ Battery – Safe, high-capacity lithium storage
- 8,000+ Cycle Life – Long-lasting performance at 80% DoD
- UL-Certified Design – Built for safe, code-compliant installations
- Advanced BMS Monitoring – Real-time performance tracking and protection
- LCD Touchscreen Display – Easy system control and diagnostics
- Automatic Self-Heating – Reliable operation in cold environments
- Emergency Stop (E-Stop) – Rapid shutdown for enhanced safety
- RS485 & CANBus Communication – Seamless inverter integration
- Wall-Mount Indoor Design – Clean installation for homes and commercial spaces
- Maintenance-Free Operation – No routine servicing required
A safe, efficient, and easy-to-install battery solution built for long-term performance and dependable energy storage.






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10-Year EG4 Manufacturer Warranty






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Battery Downloads
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Compare Battery

10-Year EG4 Manufacturer Warranty






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