BigBattery ETHOS | 48V | 5.1kWh | UL1973 | Home Battery Backup LiFePO4

Single 48V 5.12kWh ETHOS LiFePO₄ battery module engineered to expand an existing ETHOS stack or system—not a standalone kit. Integrates with the ETHOS controller and rack for UL-certified configurations, delivering safe, reliable, maintenance-free storage with advanced BMS protection. Modular by design, it adds capacity as needs grow and is backed by a 12-Year Warranty.