Package : SMDis_customized : YesModel Number : 4S 40AOperating Temperature : 18650Dissipation Power : 18650 Charger PCB BMS Protection BoardSupply Voltage : 4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection BoardApplication : ComputerCondition : NewType : Voltage RegulatorBrand Name : XIASONGXIN LIGHT : Mainland ChinaMODULE : 4S 40A Li-ion Lithium BatteryDIY : 4S 40A-40-+85 : 14.8V 16.8VKIT : 3S 4S 40A 60A Li-ion Lithium Battery3S 40A : 3S 60A 4 string 16.8V 40A lithium battery protection board (comes with recovery function-AUTO Recovery) Scope: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650,26650, polymer lithium battery) Product Size: 45 * 55 * 3.4mm (Standard Edition / Enhanced), 46 * 60 * 3.4mm (balanced version) Product weight: 9.3g (standard / enhanced version), 10.3g (balanced version) Charging voltage: 16.8V - 18.1V Continuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current use) Continuous charge current (upper limit): 20A Equalization version: suitable for starting current below 80A, power 135W below the drill.