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4 String 14.8V/8A 18650 Lithium Battery Protection Board Current Peak 12A Over-Current Protection (BMS)


Charger BMS Protection Board For 18650 Li-ion Lithium Battery Cell

EGP75.00

4S 12A 14.8V 16.8V 18650 Lithium Battery Protection Board 4 Cells Li-ion Lipo Polymer Charger Protection BMS/PCM/PCB Module

Specification:

  • Size: 72 * 17 * 3.0mm
  • Overcharge voltage range: 4.25-4.35v ± 0
  • Over-discharge voltage range: 2.3-3.0v ± 0.05v
  • Upper limit working current: 6-8A
  • Upper limit instantaneous current: 12A
  • Quiescent current: less than 30uA
  • Internal resistance: less than 100mΩ
  • Charging voltage: 16.8V-17V
  • Operating temperature: -40 to +50 °
  • Storage conditions: -40 to +80 °
  • Effective life: more than 50,000 hours
  • Short circuit protection: can be protected, need to restore the charge
  • Protection board components: Components for the S-8254AA protection chip and AO4407 * 4.

Main function:

Overcharge protection, over-discharge protection function, short circuit protection function, over current protection function, balance.

Notes:

  1. Strictly according to the diagram wiring 0V (B -), 3.7V (B1), 7.4V (B2), 11.1V (B3), 14.8V (B +), do not short!.
  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 3 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 battery.
  5. It will be better the capacity of the battery internal resistance is closer.

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