• 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

4S 10A Smart BMS With SMBUS Interface And Adaptive Thermal Protection For Lithium Batteries

Place of Origin Guangdong, China
Brand Name BAKTH/OEM/Neutral
Certification Certified with RoHS / IEC62133/UL2054 certification
Model Number BAKTH-0040150037-01
Minimum Order Quantity 1-200PCS
Price USD15.0-USD30.0/PCS
Packaging Details Standard Export Packing
Delivery Time 10-15 working days
Payment Terms ,T/T
Supply Ability Daily Delivery Capability: Approx. 1,800 units/day

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Product Details
Model Number BAKTH-0040150037-01 Series Supported 4S
Continuous Discharge Current (A) 10A 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
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4S smart BMS with SMBUS

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lithium battery BMS thermal protection

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10A BMS PCB for batteries

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Product Description
4S 10A Smart BMS With SMBUS Interface And Adaptive Thermal Protection For Lithium Batteries
Product Attributes
Attribute Value
Model Number BAKTH-0040150037-01
Series Supported 4S
Continuous Discharge Current (A) 10A
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 intelligent 4S 10A battery management system (BMS) features advanced SMBUS communication and dynamic temperature control, making it ideal for lithium battery packs in demanding environments. With programmable discharge (-20 °C to 65°C) and charge (-5 °C to 50°C) temperature limits, it automatically adjusts protection parameters to optimize performance and safety. The 10A-rated design is particularly suited for mid-power applications including robotics, backup power systems, and portable industrial equipment where precise battery monitoring and protection are critical.

Specifications
Compatible interface
SMBUS
Continuous Discharge Current
10A
Over charge detection voltage(Cell)
4.250V±0.050V Adjustable
Dimensions
Length 65 mm Width 32 mm Height 4.0 mm
Over Discharge Detection Voltage(Cell)
2.50V±0.025V Adjustable
Compliant certification standards
IEC62133/UL2054
Over Current Discharge
15.0A±0.5A Adjustable
Type of Protective Board
4S lithium battery protection board
Over Current Charge
15.0A±0.5A Adjustable
Protection
OV, UV, OC, SC, OT, Balance
Discharging Temperature
-20~65℃ Adjustable
Charge Temperature
-5~50℃ Adjustable
Key Features
  • Through the SMBUS 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