Hyper Power RES-U/3.2S 25.6V 125Ah rechargeable lithium-ion battery. These units are 3.2kWh LiFePO4 energy storage solutions typically used for solar and inverter backup setups.Battery Model: Hyper Power RES-U/3.2SCapacity & Voltage: 25.6V 125Ah (3.2kWh)Type: Rechargeable Lithium Iron Phosphate (LiFePO₄)