Big Battery | ETHOS 2x Expansion Kit

ETHOS 2x Expansion Kit (10.24kWh) Unlock more power with the ETHOS 2x Expansion Kit—a high-performance 10.24kWh battery expansion designed to seamlessly upgrade your existing BigBattery 48V ETHOS System. Whether you’re expanding your residential solar setup or preparing for grid outages, this kit delivers reliable, scalable energy storage tailored to your evolving power needs. Expand Smarter, Store More The ETHOS 2x Expansion Kit includes: Two (2) 48V ETHOS LiFePO4 battery modules (5.12kWh each) Rugged rack base for easy installation All required communication and power cables Each module connects in parallel to your existing ETHOS Control Box (sold separately), supporting up to 16 modules per system. This modular approach gives you the flexibility to scale your storage as your energy demand grows. Advanced Battery Technology Engineered with Tier 1 LiFePO4 cells, the ETHOS Expansion Kit offers: Superior safety with thermal stability and internal fire suppression Long cycle