Li-ion Battery Protection Module 3S 18650, 12V 4A BMS PLM Charge/Discharge Protect

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  • Charging Voltage: 12V-13V
  • Overcharge Voltage Range: 4.25V-4.35V ± 0.05V
  • Overpressure Voltage Range: 2.3V-3.0V ± 0.05V
  • Upper Limit Operating Current: 3A-4A
  • Upper Limit Instantaneous Current: 9A-10A
  • Quiescent Current: less than 30uA
  • Internal Resistance: less than 100mohm
  • Effective Life: more than 30,000 hours
  • Operating Temperature: -40- +50 degrees
  • Storage Conditions: -40- +80 degrees
  • Size: 53 * 16 * 3mm
  • Short Circuit Protection: protection, delay self-recovery
  • Module:    HX-3S-A01    


Applicable Scope

    The power range is suitable for the following products: massager battery pack, LED light standby power supply, 12V electronic products, solar street light battery pack, monitor backup power supply, and other products.
Note: 3A current discharge products above, the battery discharge rate to 3C or more.


  • B+ connected to the battery positive(12v)
  • B1 Connect battery 1 at the connection point of the battery 2 (3.7v)
  • B2 Connect battery 2 at the connection point of the battery 3 (7.4v)
  • B- connected to the battery negative
  • P+ output / input positive
  • P- output / input negative

Note: The output, refers to the discharge; input, refers to the charge.

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