BMS Battery Charger, 40A

The 40A rechargeable battery charger is used for 18650/LiPo rechargeable batteries. The circuit has a seperate charge function for each cell, automatic shutdown when full, short-circuit protection, over-voltage and under-voltage.

Quick Spec

  • Charging Voltage: 12.6V ~ 13.6V
  • Continuous Discharge Current: 40A
  • Continuous Charge Current: 20A
  • Consuming Current: 12 ~ 24uA
  • Overcharge Protection Voltage: 4.2 ~ 4.3V
  • Balanced Starting Voltage: 4.17 ~ 4.23V
  • Equilibrium Current: 95 ~ 105mA
  • Balanced Heating Power: 1.17 ~ 1.43W
  • Overcharge Recovery Voltage: 4.1 ~ 4.2V
  • Over-discharge Protection Voltage: 2.4 ~ 2.6V
  • Overvoltage Protection after Over-discharge Protection: 2.8 ~ 3.8V
  • Over-discharge Recovery Voltage: 2.9 ~ 3.3V
  • Overcurrent Protection Current: 70 ~ 90A
  • Overcurrent Delay Time: 100 ~ 200ms
  • Continuous Operating Current: 0 ~ 40A
  • Continuous Output Power: 0 ~ 504W
  • Dimensions: 41 x 60 x 3.4mm
  • Weight: 10g

Wiring Diagram

BMS-3-S-40-A-003

Shipping List

  • 1 x BMS Battery Charger, 40A


BMS Battery Charger, 40A

  • Brand: Generic
  • Product Code: BMS-3S-40A
  • Stock

    Warehouse Stock Status Location
    Centurion In Stock UL059
    Stellenbosch In Stock Z6013

    We ship free of charge between branches to complete your order.

  • R118.00 (Inc Tax: R135.70)


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Tags: bms, battery, charger, management, charge, control, 40a, 18650, lipo, 3s40a, 12.6v, protect, protection