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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

5.0194
$8.99 / $10.97
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$2.99 / $10.97
Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

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Description:
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.
Parameter:
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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Electronics Ranking
DC 14.8V / 16.8V 20A 4S Lithium Battery Protection Board BMS PCM Module For 18650 Lithium LicoO2 / Limn2O4 Short Circuit Protection

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

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

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

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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    • 0
      Q: Why, with full batteries, if I press the start button fast, the engine starts and then stops? Do I have to press the dolcemnte button to get maximum speed?
      A:
      Sure
      Answered by CGRAVES91 on 01/04/2022Helpful (0)
    • 0
      Q: The charge voltage how many volts?
      A:
      16.8V
      Answered by CGRAVES91 on 01/04/2022Helpful (0)
    • 0
      Q: does this board do active cell balancing ?
      A:
      It is used for Short Circuit Protection
      Answered by Hist on 07/01/2025Helpful (0)
    • 0
      Q: bms not charging batteries and not give output
      A:
      maybe you can use the Order tracking, Or use the “contact us” to contact the banggood customer service team.
      Answered by Denshin on 29/12/2018Helpful (0)

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