3S Lithium Battery Protection BMS Board For 18650 18550 Li-ion Lipo Battery 11.1V 12.6V 20A (OT3620)

11.1V 12.6V 20A 3S Lithium Battery Protection PCB BMS Board For 18650 18550 Li-ion Lipo Battery Cell Pack This lithium ion battery protection board is suitable for 3 series 11.1V 12.6V lipo battery pack with overcharge, overdischarge, overcurrent and short circuit protection. It is perfect for li-ion lipo battery cells such as 18650,18550, 14500 to prevent damage during charging or discharging and then extend their lifespan.Specifications:PCB Size: 59 X 20 X 3.4mm / 2.32 X 0.79 X 0.13inch (L*W*H)Overcharge protection voltage: 4.25v±0.05vOvercharge recovery voltage: 4.1V-4.2V (4.16V typical)Over-discharge protection voltage: 2.5v±0.2vOver-discharge recovery voltage: 3.2V ± 0.1vContinuous working current: 20AOvercurrent protection current: 40A±3ACharging voltage: 12.6-13V5X 11.1V 12.6V 20A 3S 18650 lithium battery protection board