The Aurora 21.5kWh Lithium-ion battery (Model: YF-LFP-21.5KWH) is a high-capacity LiFePO4 solar battery with a nominal 51.2V/48V voltage and a 420Ah capacity. Designed for residential off-grid or hybrid systems, it supports 8,000+ cycles at a 90% depth of discharge (DoD) and features a smart BMS for safe, high-output power