Big Battery | 2x Nexus + EG4 1200XP

Big Battery | 2x NEXUS + EG4 12000XP Power System The BigBattery 2x NEXUS + EG4 12000XP Power System is a premium dual-battery home and off-grid power solution that pairs two 48V 14.3kWh NEXUS LiFePO4 batteries with a 12,000W EG4 hybrid inverter. Delivering 28.6kWh of total energy storage and powerful split-phase 120/240V AC output, this system provides exceptional reliability for whole-home backup, solar energy storage, or off-grid applications. Built with CATL LFP cells, it ensures high safety, efficiency, and a 7,000+ cycle lifespan, ideal for long-term clean energy independence. KEY FEATURES 28.6kWh total storage capacity with dual NEXUS LiFePO4 batteries 12,000W continuous split-phase output (120V/240V) High-efficiency hybrid inverter with 99% MPPT performance Supports off-grid, grid-tied, or hybrid operation modes Expandable system with up to 16 parallel connections Long 7,000+ cycle life and 20+ years design lifespan Intelligent BMS with CAN/RS485 communication Compatible with