Lithium battery features:1. Its life is twice as long as that of lead-acid battery and its weight is lighter2. No memory effect, rechargeable, longer battery life3. More safe and environmental protection, free of heavy metals and harmful substances.4. Built in IC chip to prevent overcharge, over discharge and over current of battery pack,Overheating, short circuit.5. Avoid mechanical accidents caused by vibration.6. Color: BlueProduct details: PVCPurpose: electric bicycle batteryRated voltage: 48VRated capacity: 10ahBattery: 18650Assembly: 13s3pPacking list: 1 battery packVoltage: peak - 54.6V, working - 48VCapacity: 10AhPower: 150w-1000wCut off voltage: 26VMaximum discharge current: 25AMaximum continuous discharge current: 15 ARated discharge current: 10ACharging current: < 5 ACharging voltage: 42 VSize: 460*58*40mm+/-2mm