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3S 20A 18650 Lithium Battery Protection Board

252.00 Excluding tax

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Battery protection board, as the name suggests battery protection board is mainly rechargeable (Refers to the lithium battery) and protects the integrated circuit board. As the lithium battery, its material determines itself cannot be overcharge, over-discharge, short circuit, ultra-high temperature charge, etc. So lithium battery lithium components will always follow A protective plate with a sampling resistor, and a current fuse.

Providing all the above features this 3S BMS board can combine 3 x 18650 battery to form a battery pack to provide up to 15V DC output at 20A current which can be used for heavy applications.


  1. Overcharging and Over Discharging Protection
  2. Short circuit protection: Yes
  3. Applicable assembly: Nominal 4.5V Batteries / 3 strings.


Model HXYP-3S-BM20
Charging voltage(V) 12.6V-13.6V
Over-Discharge recovery voltage 3±0.05V
Over Discharge Delay Time(ms) 150
Maximum Working Current(A) 20
Maximum Peak Current(A) 30
Length (mm) 65
Width (mm) 47

* product image for illustration purposes only. actual product may vary.


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