BMS protection board for LiFePo4 4S 40A with passive cell balancing function.


Name LiFePo4
Overcharge detect voltage 3.75V +/- 0.025V
Overcharge release voltage 3.60V +/- 0.05V
Overcharge protection delay 1S +/- 200mS
Over discharge detect 2.0V +/- 0.005V
Over discharge release voltage 2.3V +/- 0.1V
Over discharge detect delay 1S +/- 200mS
Charging over current protection current 250A
Over charge current detect delay 9S
Over charge current protection release condition Off load
Discharge over current protection current 250A
Over discharge current detect delay 1S
Over discharge current protection release condition Off load
Short circuit protection condition Short circuit of external load
Short circuit detect delay 1S
Short circuit protection release 960uS
Short circuit protection release Off load
Charge voltage 14.6V - 15V
Continue discharge current 40A
Charge current < 20A
Balance function +
Balance release voltage 3.60V +/- 0.025V
Balance current 36mA +/- mA
Charge temperature protection degrees /
Discharge temperature protection degrees /
Main circuit conduct inner resistance < 13 mOhm
Working current < 20 uA
Sleeping current (over discharge) 0 uA
Working temp -20°C - 70°C
Storing temp -40°C - 80°C
Dimension L x W x H


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BMS protection board 4S 40A

  • Product Code: BMS LiFePo4 4S 40A Balance
  • Weight: 0.03kg
  • Dimension: Д: 67.00mm  х  Ш: 45.00mm  x  В: 7.00mm
  • SKU: BMSLiFePo44S40AB
  • Availability: In Stock
  • Already bought: 0 in
  • 15.70 €

View: 174

Tags: BMS controller for 4S LiFePo4 40A with balance

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