BMS 3 String 12V/25A

18650 Cell Lithium Battery Protection Board 11.1V Current Peak 25A Over-Current Protection

225.00 EGP 225.0 EGP 225.00 EGP

225.00 EGP

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Internal Reference: BMS.3S.25A

3S 11.1V 25A 18650 Li-ion Lithium Battery BMS Protection PCB Board With Balance Function. 


  • Overvoltage range: 4.25 ~ 4.35v ± 0.05v
  • Over-discharge voltage range: 2.3 ~ 3.0v±0.05v
  • Maximum operating current: 0 ~ 25A
  • Maximum transient current: 34 ~ 40A
  • Quiescent current: less than 30uA
  • Internal resistance: less than 100m
  • Working temperature: 40 +50 C
  • Effective life: more than 30000h
  • Short circuit protection: Yes, delayed self-recovery
  • Size: 56mm x 45mm x 1.2mm (LxWxH)

Important Cautions:

  1. Strictly according to the diagram wiring - do not make short circuit.
  2. After the wire is connected, it needs to charge the batteries first, then have output.
  3. When the battery is connected in series with 5 groups, please ensure that the voltage of each battery is the same. If not the same, please fill in each set of batteries and then use them.
  4. Do not mix the good battery and the bad battery.
  5. It will be better if the capacity of the battery's internal resistance is closer.