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

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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.
Over charge voltage: DC 4.25-4.35V ± 0.05V
Over discharge voltage: DC 2.3-3.0V ± 0.05V
Max working current:10A
Max peak current: 20A
Working temperature: -40℃ - +50℃
Storage temperature:-40℃ - +80℃
Small current: 6uA
Life cycle: 50000hours
Resistance: 45mΩ
Short cut protection: protectable ,change for repair
Size: 35*35*3.0mm
Package Included:
1 x 4S lithium battery protection board


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