4S 16.8V 40A BMS 18650 Lithium Battery Protection Board

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Secure high-capacity battery operations with the 4S 16.8V 40A BMS 18650 Lithium Battery Protection Board, a powerhouse in the realm of battery management. Designed to supervise 4-series (4S) lithium battery arrangements, this BMS board ensures a high output of 16.8V while maintaining a robust continuous discharge current of up to 40A. It's an ideal choice for those high-demand applications where reliability and power are paramount. The board comes equipped with essential protective measures, including overcharge, over-discharge, overcurrent, and short-circuit prevention, which are vital for safeguarding battery life and ensuring safe operation.

The 4S 16.8V 40A BMS 18650 Lithium Battery Protection Board is a must-have for DIY enthusiasts and professionals who require a high level of control and safety for their battery-powered projects. Whether you're building a custom e-bike, a portable energy storage system, or any other device that relies on substantial power, this BMS board will provide the necessary oversight to keep your batteries performing at their best. Its compact design allows for easy installation into your battery pack, and the high current rating ensures that your project won't be left wanting for power. With this BMS, you're not only investing in the safety of your batteries but also in the reliability and efficiency of your entire project.

Specification of 4S 16.8V 40A BMS 18650 Lithium Battery Protection Board:

  • Over charge detection voltage: 4.28+ 0.05 V
  • Over charging voltage: 4.095-4.195V
  • Charging voltage: 16.8V - 18.1V
  • Over discharge voltage: 2.55±0.08
  • Over charge detection delay time: 0.1s
  • Temperature range: -30-80℃
  • Short circuit detection delay time: 100ms
  • Over current detection delay time: 500 ms
  • Balanced current: 60mA
  • Working current: 40A
  • Over current: 80A
  • Short circuit protection function: Yes,disconnect the load can be self recovery
  • suitable for electric drills with starting current below 80A and power below 135W
  • size: 46x60x3.4mm
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