1.electric bike/bicycle LiFePO4 battery pack 2.36V 20Ah 3.with UL, Rohs,CE certification Features:1)Voltage:36V Capacity:10Ah-20AH(2)High Safety&high-temperature working capability(3)High rate discharge current,discharge performance 1-5C.(4)Quality and security guaranted,with CE,ROHS approval.(5)Long cycle life(more than 2000 cycles)(6)Environmental friendly(7)Widely used for electric bicycle, ...