... poly battery,7.2V battery,2 cell Battery Pack,with BMS 7.4V2200mAh,100g,li-poly battery ... ,7.2V battery,7.4V Battery Pack,with BMSNominal Capacity : 2200mAh Nominal Voltage : 7 ... 2CmA*6hrs Rapid charge : 1C mA*2.5hrs Pack dimension: Thickness Max 20mm Width Max 40mm Length ... density : 145 Wh/kg Weight (Approx.) : 100g Cycle Life(pack) :>600 Cycles 0.5CSelf-discharge : Residual capacity > 92 ...