This is a Hyper Power RES-U/3.2S PLUS 25.6V 125AH lithium battery.Battery Type: This is a lithium-ion battery, commonly used for solar energy storage systems.Capacity & Voltage: It has a nominal voltage of 25.6V and a capacity of 125Ah, which is typically listed as a 3.2kWh system.Application: These batteries are designed for inverter backup systems to power appliances during power