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 | 20S |
| Continuous Discharge Current (A) | 40A |
| Balancing Type | Active Balancing / Passive Balancing (Optional) |
| Customization Available | Yes |
| Warranty | 12 months |
| Brand Name | BAKTH/OEM/Neutral |
| Model Number | BAKTH-021S100A-0019-01 |
| Certification | Certified with RoHS / IEC62133 certification |
| 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 | 20S | Continuous Discharge Current (A) | 40A |
| Balancing Type | Active Balancing / Passive Balancing (Optional) | Customization Available | Yes |
| Warranty | 12 months | Brand Name | BAKTH/OEM/Neutral |
| Model Number | BAKTH-021S100A-0019-01 | Certification | Certified with RoHS / IEC62133 certification |
| Place of Origin | Guangdong, China | ||
| High Light | 20S Li-Ion battery protection board ，40A BMS PCB with I2C ，Lithium battery protection circuit | ||
This 20S Li-Ion battery protection board is designed for high-performance energy storage systems, featuring adjustable protection parameters, robust safety mechanisms, and compliance with IEC62133 standards. With a continuous discharge current of 40A and configurable overcharge/over-discharge detection, it ensures reliable operation across various applications. Its compact dimensions (138×88×12 mm) make it suitable for space-constrained installations.
Specifications
| Compatibleinterface | I2C | Continuous Discharge Current | 40A |
| Over charge detection voltage(Cell) |
4.25V±0.050V |
Dimensions |
Length 138 mm Width 88 mm Height 12 mm |
| Over Discharge Detection Voltage(Cell) |
2.50V±0.05V |
Compliant certification standards | IEC62133 |
| Over Current Discharge |
135.0A±25.0A |
Type of Protective Board | 20S Li-ION battery protection board |
|
Over Current Charge
|
40.0A±10.0A |
Protection | OV, UV, OC, SC, OT, Balance |
| Discharging Temperature |
-20~70℃ |
|
0~60℃ |
Key Features
Multi-Protection Mechanisms
Overcharge Protection (OV): Cell detection voltage 4.25V±0.050V.
Over-Discharge Protection (UV): Cutoff voltage 2.50V±0.05V.
Overcurrent Protection (OC): Discharge 135.0A±25.0A, Charge 40.0A±10.0A.
Short-Circuit Protection (SC) + Temperature Protection (OT): Operating range Charge: 0~60℃ / Discharge: -20~70℃.
Cell Balancing for uniform voltage distribution.
Compatibility & Communication
Supports I2C interface for system integration and monitoring.
Application Scenarios
E-mobility: E-bikes, scooters.
Advantage
High Flexibility: Adjustable voltage/current/temperature thresholds.
Enhanced Safety: Complies with IEC62133, multi-layer protection.
Compact Design: Slim profile (12mm) for embedded use.
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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