1S 3.7V 2.5A Lithium Battery Protection Module BMS PCM PCB Polymer Over Charge Discharge Li-ion Protect Board


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  • Connecting Charger Teminal adopts withstand high voltage instrument
  • Internal 3 phase overcurrent detectiton circuit (overcurrent 1,overcurrent 2,load short circuit)
  • MOS tube can control battery charging and discharging
  • Wide Operating Temperature Range
  • Low Consumption Current



  1. Charing Voltage: DC 4.2--5V CC/CV
  2. Single Battery Consumption Current:<=6uA continuous discharging current 2.7A
  3. Overcharging Detection Voltage:4.2 V+/-0.025V
  4. Overcharging Detection Delay Time:150-500 ms
  5. Overcharging Restore Voltage:4.0V+/-0.025V
  6. Over discharging Detection Voltage:2.75V+/-0.1V
  7. Over discharging Detection Delay Time:50-150ms
  8. Overdischarging Restore Voltage:2.9V+/-0.10V
  9. Overcurrent Detection Voltage:150+/-30mv
  10. Overcurrent Detection Current:4.5+/-0.5A
  11. Overcurrent Detection Delay Time:5ms-15ms
  12. Overcurrent Restore Type:automatic restore
  13. Short Circuit Detection State:external short circuit





  • Connecting Charger Teminal adopts withstand high voltage instrument
  • Internal 3 phase overcurrent detectiton circuit (overcurrent 1,overcurrent 2,load short circuit)
  • MOS tube can control battery charging and discharging
  • Wide Operating Temperature Range
  • Low Consumption Current
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