Shenzhen BAK Technology Co., Ltd.
| 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 | 3S |
| Continuous Discharge Current (A) | 5A |
| 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 |
| Brand Name | BAKTH/OEM/Neutral |
| Model Number | BAKTH-0030150046-01 |
| Certification | Certified with RoHS / IEC62133 certifications |
| Place of Origin | Guangdong, China |
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Product Specification
| 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 | 3S | Continuous Discharge Current (A) | 5A |
| 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 | Brand Name | BAKTH/OEM/Neutral |
| Model Number | BAKTH-0030150046-01 | Certification | Certified with RoHS / IEC62133 certifications |
| Place of Origin | Guangdong, China | ||
| High Light | 3S 5A battery protection board ，SMBUS-compatible BMS PCB ，multi-device battery protection circuit | ||
The 3S 5A Smart Battery Protection Board (SMBUS-Compatible) delivers advanced safety and adaptability for diverse electronic devices. Engineered for reliability, it supports a wide discharge temperature range of -20°C to 65°C and a charge temperature range of 0°C to 55°C (adjustable), ensuring stable operation in demanding environments. Equipped with SMBUS communication, it enables real-time monitoring of voltage, current, and temperature, while providing multi-layer protection against overcharge, over-discharge, short-circuit, and overcurrent. Ideal for applications such as portable medical devices, IoT systems, and small-scale energy storage, this protection board enhances battery longevity and performance across various use cases.
Specifications
| Compatibleinterface |
SMBUS |
Continuous Discharge Current | 5A |
| Over charge detection voltage(Cell) |
4.250V±0.050V Adjustable |
Dimensions |
Length 69 mm Width 60 mm Height 2.5 mm |
| Over Discharge Detection Voltage(Cell) |
2.50V±0.025V Adjustable |
Compliant certification standards | IEC62133 |
| Over Current Discharge |
6.0A±0.5A Adjustable |
Type of Protective Board | 3S lithium battery protection board |
|
Over Current Charge
|
4.5A±0.5A Adjustable |
Protection | OV, UV, OC, SC, OT, Balance |
| Discharging Temperature |
-20~65℃ Adjustable |
|
0~55℃ 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
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2002
Total Annual:
15000000-20000000
Employee Number:
100~199
Ecer Certification：
Verified Supplier
Shenzhen BAK Technology Co., Ltd. founded in 2002, with more than 22 years experience in design and production of battery packs and PCB/BMS. BAKTH has its own R&D team, advance production & testing facilities. A fully automatic SMT line was introduced in 2021, further enhanced BAKTH producti... Shenzhen BAK Technology Co., Ltd. founded in 2002, with more than 22 years experience in design and production of battery packs and PCB/BMS. BAKTH has its own R&D team, advance production & testing facilities. A fully automatic SMT line was introduced in 2021, further enhanced BAKTH producti...
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