4S 14.8V 16.8V 20A li-ion BMS PCM Battery Protection Board for 18650 Lithium Battery

Features 1 high accuracy voltage detection circuit 2 terminal of the charger using high voltage device 3 Built in three stage over current detection circuit over current 1 over current 2 or load short circuit 4 MOS transistor can control the battery charge and discharge 5 low standby current consumption Specifications Overcharge voltage range 4 25 4 35v0 05vSize 35 35 3 6mm Over discharge voltage range 2 3 3 0v0 05vUpper limit working current 10AUpper limit instantaneous current 20AQuiescent current less than 30uAWorking temperature 40 50 CStorage conditions 40 80CInternal resistance less than 100mShort circuit protection protection charge recoveryCharging voltage 16 8V 17VComponents S 8254AA protection chip and D403 BMS Solder Instruction B connected battery positive B1the connect point between battery 1 and battery 2B2connect the point between battery2 and battery 3 B3Connect the point between battery 3 and battery 4B connect to battery negative end P connection charge discharge positive P connection charge discharge negative Note 1 This protection board can not be used for lithium iron phosphate battery xenon lamp hand drill battery pack electric fish battery pack electric bicycle battery pack baby car battery 775 4A or above motor 1W fisheye LED lamp Customers who purchase in the above combination should pay attention The power range described applies to the following products low power inverters massager b