Lithium battery features: 1.Life expectancy is two times that of lead-acid batteries.The weight is more lighter 2.No memory effect and rechargeable.the battery life is more longer 3.Safer and more environmentally friendly, No heavy metals and hazardous substances. 4.Built-in IC chip will prevent battery pack over charge, over discharge, over-current,over- heat, short circuit . 5.Avoiding mechanical accidents caused by vibration. Product Details: Application: E-bike Battery Nominal Voltage: 48V Nominal Capacity: 30Ah Cell: 18650 3400mAh Assembly: 13S9P Category:Li-ion Battery Voltage : Peak - 54.6V, working - 48V Capacity: 30Ah Power: 300W- 1000W Cut-off voltage: 36.4V Max. discharging current: 60A mp Max Continuous Discharging Amperage: 20Amps Rated Discharging Amperage: 20A mps Charging Current: <5 Amps Charging Voltage: 54.6 Volts Dimension: 250*168* 70mm Battery Weight: 5.9kg Parts include: 1*48v 30Ah lithium battery (Andnerson plug is sent by default, if you need other types of plugs, please leave a message on the order) 1*charger