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20S 40A Li-Ion Battery Protection Circuit Board With I2C Interface for Multiply Applications
| Place of Origin | Guangdong, China |
|---|---|
| Brand Name | BAKTH/OEM/Neutral |
| Certification | Certified with RoHS / IEC62133 certification |
| Model Number | BAKTH-100650027-01 |
| Minimum Order Quantity | 1-200PCS |
| Price | USD8.0-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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xProduct Details
| Model Number | BAKTH-021S100A-0019-01 | Series Supported | 20S |
|---|---|---|---|
| Continuous Discharge Current (A) | 40A | Balancing Type | Active Balancing / Passive Balancing (Optional) |
| Customization Available | Yes | Warranty | 12 Months |
| Highlight | 20S Li-Ion battery protection board,40A BMS PCB with I2C,Lithium battery protection circuit |
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Product Description
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
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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
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E-mobility: E-bikes, scooters.
- Energy Storage: Solar battery packs, home backup systems.
- Industrial Equipment: UPS, drone batteries.
- Consumer Electronics: High-capacity power banks, medical devices.
Advantage
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High Flexibility: Adjustable voltage/current/temperature thresholds.
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Enhanced Safety: Complies with IEC62133, multi-layer protection.
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Compact Design: Slim profile (12mm) for embedded use.
- Wide Temperature Range: Suitable for extreme environments.
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