48V20Ah e-bike battery 13cell electric bike battery 54.6V3A Charger Weight: 6800g, Pack dimension: 100*180*255mm Product characteristic: Nominal Capacity : 20AH Nominal Voltage : 48V Cut-off voltage :42V Max. continuous discharge current : 20A Burst discharge current :30A Battery POWER: 960WH Weight (Approx.) : 6800g Cycle Life(pack) :600 Cycles >60%( 0.5C discharge) Available capacity > 96% (42V cut off) Standard charge method CC/CV: charger output:54.6V3A Charging the cell initially with constant current at 3A and then with constant voltage at 54.6V till charge current <200mA. Standard charge :3A*8hrs Rapid charge : 5A*3hrs Pack dimension: Thickness Max 100mm Width Max 176mm Length Max 265mm