lithium polymer battery 48v 10ah 1,48V/10AH 2,more than 600 ... capacity 4,No pollution,low-self discharge li-- polymer battery 48v 10ah1,48V/10AH 2,more than 600 cycle life ... more than 600 cycles.4. Safety function:li-polymer battery use the soft package and it does not contain liquid ... not be harmful to people.5. No pollution: the battery does not contain any harmful matetrial, so it is absolutely ...