... life 3,High capacity 4,No pollution,low-self discharge li-- polymer battery 48v 10ah1,48V/10AH 2,more than 600 cycle ... ,No pollution,low-self discharge 5,no remember benefitHigh-quality batteries for city green vehicles which are energy-saving, eco-friendly ... be used for more than 600 cycles.4. Safety function:li-polymer battery use the soft package and it does not contain ...