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1S 3.7V 3A Li-ion BMS PCM Battery Protection Board Generic

SKU: 6435

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Lithium-Ion charge protection circuit comes with over-charge, over-discharge, over-current and short circuit protection. MOS transistor can control the battery charge and discharge, Built-in three-stage over-current detection circuit, for a variety of various shapes 3.7 V lithium Ion batteries.1S 3A BMS is Small size, suitable for many requirements of high integration, low cost.


  • high-accuracy voltage detection circuit
  • terminal of the charger using high voltage device
  • Built-in three-stage over-current detection circuit
  • MOS transistor can control the battery charge and discharge
  • Over charge voltage: 4.25±0.05V
  • Over charge release voltage:4.23±0.05V
  • Over discharge voltage:2.54±0.1V
  • Over current protection: 3A

Bms solder instructions:

  • B+ connected to battery positive.
  • B- take battery.
  • P+ input to the positive battery output
  • P- battery negative input output

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