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5S 15A 18650 Lithium Battery Protection Board

344.00 Excluding tax

Spread the components

BMS (Battery Management System) a battery management system that is designed to monitor the status of batteries, control the process of charging/discharging the battery etc.

Five batteries (18650) can be connected simultaneously to this charge-discharge controller module. The module has protection against short circuit, overcharge and over-discharge. One of the functions of the charge controller is to turn off the power supply for the batteries when the maximum capacity of at least one battery is reached. This BMS controller is designed for more than 30,000 hours of operation. The maximum allowable current is 25 A.

If the maximum permissible value of the supply voltage is exceeded, the charge controller activates the protection mode. In order to restore the module, it is necessary to re-apply voltage to the input of the BMS board or wait a while until the charge controller automatically disables protection.


  • Small size designed for a four-cell battery pack.
  • Simple and convenient circuit for easy connections
  • Over-charge/Over-discharge Protection.


Model HXYP-5SBM15 REV1.0
Charge voltage 21V
Charging current 15A(max)
Continuous Discharge Current 15A(max)
Instantaneous discharge current 25A
Over-charge detect 4.28±0.05V
Protect delay 0.5s
Over-charge release 4.28±0.05V
Over-discharge Protect Over-discharge detect: 2.55±0.08V

Over-discharge detect delay: 0.1s
Release voltage: 2.90.1V

Short-circuit Protect Protect condition: Cut load
Detect delay: 250uS
Release condition: Cut load
Over-current Protect Detect voltage: 150mV
Detect delay: 9MS
Current detect: 303A
Release condition: Cut load
Inner Resistance: 20m
Self-consumption Working current: 30uA
Sleep current: (when over-charge)10uA
Working Temperature Range: -30-+80°C
Length (mm) 90.46
Width (mm) 17.30
Height (mm) 3.6
Weight (gm) 5

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


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