... .,LTD.(HK) 2)Product Specification/ModelsLi-ion battery packNo:18650 lithium battery packsCategory:Li-ion BatteryVoltage:3.7 vCapacity:2200mAhCharging ... . 191Wh/kg3)ApplicationCellular phones,Audio visual equipment,Office automation,Notebook PC's,PDA's and handy terminals. 4)Other ... Packaging200PCS/cartonGood day,thanks for reading li-ion battery packs 3.7v 2.2ah li-ion battery pack with bms