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4S High Current up to 30A Lithium Battery Protection Board four Series of 14.8V 16.8V

299.00 + GST

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The 4 Series 14.8V 18650 Lithium Battery Equalization Board is suitable for the lithium battery pack with no equalization charge and the charging balance is balanced Make each battery in the battery pack full of electricity at the same time. This new 4 series lithium battery protection board is suitable for the nominal voltage 14.4V lithium battery pack, 14.8V lithium battery pack, 16.8V lithium battery pack. With automatic activation, protection conditions automatically restored after the restoration of protection, no charger activation, the use of more convenient.

The protection board can be modified according to your requirements voltage, current, and other parameters.


  • The module name: 4 string lithium battery protection board.
  • The modular nature: polymer lithium battery protection board.
  • Overcharge release voltage: 4.15 0.05V.
  • Over-discharge termination voltage: 3 0.1V.
  • Working current: 15A (natural cooling: 10A, plus the heat sink: 15A, the maximum instantaneous current: 30A)
  • Termination conditions: the release of protection condition then automatic recovery, without activation (optional charger to activate).
  • Main functions: the overcharge protection function, over-discharge protection, short-circuit protection, over current protection.
  • Working temperature: -40~+85 degrees (high-temperature environment and please strengthen radiating).
  • Connection: welding output.


Battery 4 Cell
Overcharge detection voltage (V) 4.25±0.025
Over-discharge detection voltage (V) 2.50±0.08
Over current (A) 20 ~ 30
Working current (A) 15
Operating Temperature (°C) -40 ~ +85
Length (mm) 50
Width (mm) 22

* product image for illustration purposes only. actual product may vary.


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