Bms 20S 40A 72V For 3.7V Battery Lithium With Balance Same Port

for lithium battery balance charge board same port common port Two ways to activate PACK for the first time: (1) B- and C- wires can be short-circuited once (2) Or recharge to activate Charging voltage:20*4.2V Wiring:Common Port Discharge current:40A Charging current:Half of the discharge current Main circuit conduction internal resistance:≤30mΩ Discharge overcurrent protection:3 times the discharge current Product Size:130*63*10MM cable: have Overcharge protection Detection voltage:4.25V±0.025V Release voltage:4.15±0.05V Over-discharge voltage protection Detection voltage:2.7±0.1V Release voltage:3.0±0.1V Balanced voltage Detection voltage:4.15±0.025V Detection delay:100±50MS Balance current:45MA(maximum value) Discharge overcurrent protection Detection voltage:50MV Current protection:3 times the discharge currentdischarge Short circuit protection Trigger condition:external short circuit Detection delay: lt;350us Release condition:disconnect the load Temperature control protection Charging working temperature: 55℃ Discharge working temperature: 70℃ Release condition: recover within working temperature isconnection protection Trigger condition: Any set of battery cables is disconnected,cut off output and input Self-consumption Working power consumption: lt;40UA Sleep over-discharge power consumption: lt;10UA Working temperature range:-30°~+80°C Two ways to activate PACK for the first time: (1) B- and C- wires can be short-circuited once (2) Or recharge to activate