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Shenzhen BAK Technology Co., Ltd.
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2S 20A Lithium Battery Protection Board Smart BMS For Multiple Application

Shenzhen BAK Technology Co., Ltd.
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2S 20A Lithium Battery Protection Board Smart BMS For Multiple Application

Brand Name : BAKTH/OEM/Neutral

Model Number : BAKTH-0020200054-01

Certification : Certified with CE / RoHS / IEC62133 certifications

Place of Origin : Guangdong, China

MOQ : 1-200PCS

Price : USD15.0-USD30.0/PCS

Payment Terms : ,T/T

Supply Ability : Daily Delivery Capability: Approx. 1,800 units/day

Delivery Time : 10-15 working days

Packaging Details : Standard Export Packing

Series Supported : 2S

Continuous Discharge Current (A) : 20A

Balancing Type : Active Balancing / Passive Balancing (Optional)

Over charge detection voltage(Cell) : 4.100V±0.050V(Adjustable)

Over Discharge Detection Voltage(Cell) : 3.100V±0.050V(Adjustable)

Customization Available : Yes

Warranty : 12 months

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The 2S 20A Lithium Battery Protection Board (Smart BMS) is a high-performance battery management system designed to ensure the safe and stable operation of 2-series (2S) lithium-ion or lithium-polymer battery packs. With a robust 20A continuous discharge current rating, this BMS provides comprehensive protection against overcharge, over-discharge, overcurrent, and short circuits, making it ideal for a wide range of applications, including electric vehicles, portable power stations, solar energy storage, drones, and DIY battery projects. Its intelligent balancing feature enhances battery lifespan by maintaining uniform cell voltages, while compact design and easy integration offer flexibility for both commercial and hobbyist use.



Specifications

Compatibleinterface

SMBUS/IIC

Continuous Discharge Current 20A
Over charge detection voltage(Cell)

4.100V±0.050V

Adjustable

Dimensions

Length 120 mm

Width 53.5 mm

Height 2.5 mm

Over Discharge Detection Voltage(Cell)

3.100V±0.050V

Adjustable

Compliant certification standards IEC62133
Over Current Discharge

25.0A±0.5A

Adjustable

Type of Protective Board 2S lithium battery protection board
Over Current Charge

25.0A±0.5A

Adjustable

Protection OV, UV, OC, SC, OT, Balance
Discharging Temperature

-22~60℃

Adjustable

  • Charge Temperature

0~45℃

Adjustable



Key Features

  • Through the SMBUS/IIC communication protocol, real-time feedback on battery status (such as SOC, SOH, temperature) is provided, supporting data interaction with host devices for easy system integration.

  • Built-in protections for over-voltage, under-voltage, short-circuit, over-current, and temperature to ensure safe battery operation.

  • Supports active balancing function to extend battery pack life and improve consistency.

  • Modular design for easy integration, suitable for various industrial and solar system applications.


Application Scenarios

  • Energy Storage Systems (ESS)

  • Electric Power Tools
  • Home Solar Battery Systems
  • Drones and DIY Custom Li-ion Battery Packs


Warranty & Support

  • 12-month warranty with lifetime technical support

  • 100% tested before shipment to ensure safety and reliability

  • Dedicated account manager and technical support with 48-hour response


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