10pcs DC 14.8V / 16.8V 20A 4S Lithium Battery Protection Board BMS PCM Module For 18650 Lithium LicoO2 / Limn2O4 Short C

Description B connected battery positive B1 the connect point between battery 1 and battery 2 B2 connect the point between battery2 and battery 3 B3 Connect the point between battery 3 and battery 4 B connect to battery negative end P connection charge discharge positive P connection charge discharge negative 4S Li ion18650 LiCoO2 LiMn2O4 Li NiCoMn O2 rechargeable batteries 4S Lipo rechargeable batteries High accuracy voltage detection circuit Terminal of the charger using high voltage device Built in three stage over current detection circuit over current 1 over current 2 or load short circuit MOS transistor can control the battery charge and discharge Low standby current consumption Parameter Over charge voltage DC 4 25 4 35V0 05VOver discharge voltage DC 2 3 3 0V0 05VMax working current 10AMax peak current 20AWorking temperature 40℃ 50℃Storage temperature 40℃ 80℃Small current 6uALife cycle 50000hoursResistance 45mShort cut protection protectable change for repairSize 35 35 3 0mm Package Included 10 x 4S lithium battery protection board