Shenzhen BAK Technology Co., Ltd.
Shenzhen BAK Technology Co., Ltd.
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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. Ideal for power tools, electric vehicles, and portable devices, its 15A current rating and multi-device compatibility deliver both safety and versatility.
Specifications
| Compatibleinterface |
SMBUS |
Continuous Discharge Current | 15A |
| Over charge detection voltage(Cell) |
4.250V±0.050V Adjustable |
Dimensions |
Length 42 mm Width 22.5 mm Height 5 mm |
| Over Discharge Detection Voltage(Cell) |
2.50V±0.025V Adjustable |
Compliant certification standards | IEC62133 |
| Over Current Discharge |
20.0A±0.5A Adjustable |
Type of Protective Board | 4S lithium battery protection board |
|
Over Current Charge
|
10.0A±0.5A Adjustable |
Protection | OV, UV, OC, SC, OT, Balance |
| Discharging Temperature |
-25~65℃ Adjustable |
|
-5~55℃ 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.
Application Scenarios
Energy Storage Systems (ESS)
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