Model: 20100140 Battery Type: Lifepo4 Nominal Capacity: 30Ah Nominal Voltage: 3.2v Battery Dimension: 20x110x140mm Battery Weight: About 0.65kg Internal Resistance: less than 2 mohms Cycle life: More than 2000 times, DOD at 80% Combination: Can be 4s 8s 12s 16s , etc Input Charging Voltage 3.65v/cell Input Charging Current Standard 20A, fast 40A Continuous Discharging Current 100Amps Max Current Discharge 300Amps Discharge cut-off Voltage 2.5v/cell Charging Temperature: 0~45Centigrade Discharging temperature: -20~60Centigrade Storage temperature: -20~45Centigrade Widely Applications: Electric vehicle, Electric Bicycle, Tricycle, scooter, golf trolley, cart, wheelchairs, Medical instrument,Solar supply system,solar panel, energy storage, electric tools, power tools, instruments, LED lighting devices, RC toys, inverter, household appliances and emergent device area, etc.