4S BMS LiPo Li-ion 20A 4.2V 16.8V Board 18650 PCB Battery Protection

Artikelnummer: 650

Kategorie: 1S - 5S

9,51 €

inkl. 19% USt. , zzgl. Versand

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Lieferzeit: 1 - 3 Werktage


4S LiPo Li-ion 20A 4.2V 16.8V Board 18650 BMS PCM Battery Protection

4 series 18650 battery 16.8V 16V 14.8V

14.8V (Li-ion 18650 or li-ion battery rated voltage)

16.8V (Li-ion battery full charge voltage)

14.4V ( Lipo battery pack rated voltage)


1) this board is not suit high power electronic tools, if use for screwdrier and drill, please don't buy

2)Above 3A device,means the battry discharge rate is more than 3C.

1C rated battery, 2000mah equals 2ah*1=2A max working current.

3C rated battery means 2ahx3=6A Max working current.


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.

4S LI-ION BMS ParameterS:

Over Charge Voltage:4.25-4.35v±0.05v

Over Discharge Voltage: 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


Short cut Protection:Protectable ,change for repair Size:35*35*3.0mm

BMS solder instruction:

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

Package Include:

1*4S 14.8V / 16.8V 20A Peak Li-ion BMS PCM Battery Protection Board BMS PCM for Lithium LicoO2 Limn2O4 18650 LI Battery Module

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