Model Number: HETER-60V/40Ah EV battery Brand Name: HETER and LAMPSON Key Specifications/Special Features: Nominal capacity: 40AhNominal voltage: 60VInternal resistance: ¤10MMaximum charge current: 50AhMaximum charge voltage: 60V

End-off discharge voltage: 60±1V

Dimensions: 300 x 165 x 250mm

Cycle lifespan: 2,000 times

Operation temperature: -20 to 60°C

Storage temperature during one month :-20 to40°C

Storage temperature during six months: -10 to35°C

Working conditions relative humidity: 5 to 95%

Working conditions absolute humidity: 0.26 to25g/m

Working conditions ambient pressure: 70 to 106kPa

Maximum continuous discharge current: 50Ah

Weight: 25kg