4S 30A Li-ion Lithium Battery 18650 Charger Board 14.4V 14.8V 16.8V BMS Protect

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  • 4S 30A Li-ion Lithium Battery 18650 Charger Board 14.4V 14.8V 16.8V BMS Protect.
  • Overcharge detection voltage: 4.25� 0.025V .
  • Overcharge Lift the voltage: 4.15� 0.05V .
  • Over discharge detection voltage: 2.50� 0.08V .
  • Over discharge Lift the voltage: 3.00� 0.1V .
  • Overcurrent current: 20-30A .
  • Working current: 15A(Natural cooling 10A, add heat sink 15A, the maximum instantaneous current 30A).
  • Remove protection condition automatic recovery, without activation.
  • Termination conditions: the release of protection condition then automatic recovery, without activation (optional charger to activate).
  • Main functions: the overcharge protection function, overdischarge protection, short-circuit protection, over current protection. .
  • Working temperature: -40 ~ +85 degrees (in high temperature environment usage or environment please use a heat sink) .
  • Connection: welding output .
  • Module size: 50mm*22mm*4mm .


  • The protective board can be used as the nominal voltage of 14.4V, 14.8V, 16.8V four series of polymer lithium battery group, four series of 18650 lithium batteries as overcharge and over discharge, short circuit protectionWithout the activation function in the power application for high instantaneous current,and in inverter application for avoid false triggering protection.So it will use more convenient. .
  • For hobby purposes only.

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