With weather-resistant construction, quick-connect terminals, and an integrated LCD for real-time BMS monitoring, the EG4 all weather battery ensures easy installation and dependable performance in both indoor and outdoor applications. High energy density, stable battery chemistry, and an advanced battery management system (BMS), on top of a 10 year warranty guarantee long battery service life and performance.

Ships From: Texas, USA
Warranty: 10 Years
Support: Lifetime USA-Based Tech Support

Compatibility

UL 9540 Certified + Closed-Loop Communication (Grid-Tied):

• EG4 12kPV

• EG4 18kPV

• EG4 FlexBoss18

• EG4 FlexBoss21

Closed-Loop Communication (Off Grid Non-UL 9540 Installs):

• All BigBattery APEX Inverters

• All EG4 Inverters

Key Features

• 14.3kWh LiFePO₄ Battery – High-capacity, safe lithium storage
• 200A Continuous Output – Supports high-demand residential loads
• 8,000+ Cycle Life – Long-lasting performance at 80% DoD
• Integrated Self-Heating – Reliable operation in cold climates
• Advanced BMS Protection – Protection against voltage, current, and temperature risks
• EMP Protection & Fire Safety – Dual fire arrestors and emergency shutdown (E-Stop)
• Weather-Resistant Design – Built for indoor and outdoor installations
• Quick-Connect Terminals – Simplified installation and system expansion
• LCD Monitoring Display – Real-time battery performance and diagnostics
• Maintenance-Free Operation – No routine servicing required

A durable, high-capacity battery solution built for extreme conditions, long-term reliability, and dependable energy storage wherever you need it.