Protection Circuit Module (PCB) for 4S 12.8V LiFePo4 Battery Pack 8A Working 24A Cut Off

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12.8V 4S Protection Circuit Module (PCB) 8A discharge rate

For Lithium Iron (LiFePo4) Battery Packs



No. Item Specification
1 Voltage Charging voltage DC:14.4V CC/CV
2 Current    
Consumption ≤8μA
Maximum sustained discharge current 8A
3 Overcharge protection Overcharge detection voltage 3.85±0.025
Overcharge detection delay time 1s
Overcharge recovery voltage 3.8V±0.05
4 Over discharge protection Overdischarge detection voltage 2.3V±0.08
Overdischarge detection delay time 100ms
Overdischarge recovery voltage 2.7V±0.1V
5 Overcurrent protection Overcurrent detection voltage 300mv
Overcurrent detection current 24A
Overcurrent detection delay time 10ms
Recovery status Automatic recovery
  Short circuit protection Detection status External short circuit
Detection delay time ≤600μs
Recovery status Automatic recovery
7 Internal resistance Protection circuit ≤11mΩ
8 Temperature Working temperature ﹣40~65℃
Storage temperature range ﹣40~125℃
9 Dimensions 50*16*2.6mm


  • You must be professional in Lithium battery pack to buy the protection circuit board. Misusing may cause battery damage or explode. We are not responsible for any damage caused by user.

  • The board has to be "unlocked" by connecting to a battery charger after assembly in a battery pack