• Shenzhen BAK Technology Co., Ltd.
    Kallista
    I'm going to keep this sweet & short! I have never experienced such excellent customer service with a out of country supplier. This company has gone far and beyond to meet the needs of their customers. Their response time with all my concerns were addressed immediately 100%within 1-24 hours and the shipping time was EXCELLENT!
Contact Person : Dong
Phone Number : +86 13828713564
Whatsapp : +8613828713564

4S 15A Protection Board With SMBUS Communication Wide Temperature Control

Place of Origin China
Brand Name BAKTH
Certification IEC62133
Model Number BAKTH-0040150008-01
Minimum Order Quantity 5pcs
Price US$13.5~US$15.2
Packaging Details Carton
Delivery Time 15~18days
Payment Terms T/T
Supply Ability 10000PCS/Month

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Product Details
Discharging Temperature -26~65℃ Adjustable Dimensions 42*22.5*5.0mm
Supplier Type PCM For Battery Pack Weight Dependent On Cell Count And Communication Protocol
Warranty 12 Months Type Battery Management System
Series Supported 4S Safety Features Short Circuit Protection, Reverse Polarity Protection, And Thermal Shutdown
Application Lithium Battery Pack Sample Available
Charge Temperature -0℃~65℃ Battery Type Li-ION
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Product Description
4S 15A Smart Lithium Battery Protection Board With SMBUS Communication And Adjustable Temperature Control
Product Specifications
Model Number BAKTH-0040150008-01
Series Supported 4S
Continuous Discharge Current 15A
Balancing Type Active Balancing / Passive Balancing (Optional)
Over Charge Detection Voltage (Cell) 4.250V±0.050V (Adjustable)
Over Discharge Detection Voltage (Cell) 2.500V±0.050V (Adjustable)
Customization Available Yes
Warranty 12 months
Product Description

This advanced 4S 15A lithium battery protection board integrates intelligent SMBUS communication and customizable temperature thresholds, ensuring reliable performance across diverse applications. Featuring an adjustable discharge temperature range of -25°C to 65°C and charge temperature range of -5°C to 55°C, it safeguards battery health in extreme environments.


Key Features
  • SMBUS communication protocol for real-time battery status feedback (SOC, SOH, temperature)
  • Comprehensive protections: over-voltage, under-voltage, short-circuit, over-current, and temperature
  • Optional active balancing function to extend battery pack life
  • Modular design for easy integration in industrial and solar applications
Application Scenarios
  • Energy Storage Systems (ESS)
  • Electric Power Tools
  • Home Solar Battery Systems
  • Drones and DIY Custom Li-ion Battery Packs