Type	14S lithium battery protection board
Battery Type	Li-ion
Compatible Interface	SMBUS
Over charge detection voltage(Cell)	4.250V±0.050V  Adjustable
Over Discharge Detection Voltage(Cell)	2.700V±0.050V  Adjustable
Over Current Discharge	80A±5A Adjustable
Over Current Charge	60A±5A  Adjustable
Discharging Temperature	-20℃~65℃  Adjustable
Charge Temperature	-0℃~50℃  Adjustable
Max.Discharge Current	40A
Dimension	128*65*12 mm
Sample	Available

Advanced High-Voltage Power Management for Demanding 14S Applications

The BAKTH-015S040A-0004-01 is a high-performance 14-series (14S) Battery Management System (BMS) engineered for premium 48V/52V lithium-ion and lithium-polymer battery packs. Designed to deliver a robust maximum continuous discharge current of 40A, this board provides the perfect balance of high-power capability and comprehensive safety for advanced electric mobility and industrial energy systems.

Integrating precision monitoring with robust protection circuitry, this BMS ensures your high-voltage battery pack operates at peak efficiency, safety, and longevity, making it an ideal choice for OEMs and system integrators requiring reliable power management.

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Key Features & Benefits:

• High-Voltage 14S Configuration: Expertly calibrated for 14-series battery chains, supporting nominal voltages of 48V (standard) up to 52V (high-capacity), with a full charge voltage of 58.8V.

• Substantial 40A Discharge Current: Capable of supporting a 40A continuous discharge current, providing ample power for high-performance electric vehicles and demanding industrial equipment.

• Comprehensive Protection Suite: Safeguards your battery investment with multiple layers of protection:

  • Over-Charge Protection: Prevents any cell from exceeding its safe voltage limit during charging.

  • Over-Discharge Protection: Disconnects the load to avoid damaging deep discharges.

  • Over-Current Protection (OCP): Protects against excessive current draw.

  • Short-Circuit Protection: Provides instantaneous shutdown for ultimate safety.

• Precision Passive Balancing: Features an integrated balancing circuit that actively equalizes the voltage across all fourteen cells during charging, maximizing pack capacity and ensuring uniform cell aging for extended service life.

• Robust Thermal Design: Built with high-quality components, including power MOSFETs rated for the 40A load, ensuring stable operation and effective heat dissipation under continuous high-load conditions.

Primary Applications:

This high-voltage 14S BMS is perfectly suited for a wide range of demanding applications, including:

 

• High-Performance E-Bikes & E-Motorcycles

• Electric Scooters & Powertrike Systems

• Industrial UPS & Backup Power Systems

• Solar Energy Storage Systems

• Large Format Power Tools & Industrial Equipment

Shenzhen BAKTH Technology Co., Ltd. was established in 2002. For 21 years, it has been dedicated to battery pack assembly and PCM/BMS design and production. It has a 5,000-square-meter self-owned factory equipped with automated production lines and SMT assembly lines.