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

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.

• Energy Storage: Solar battery packs, home backup systems.
• Industrial Equipment: UPS, drone batteries.
• Consumer Electronics: High-capacity power banks, medical devices.

Advantage

• High Flexibility: Adjustable voltage/current/temperature thresholds.

• Enhanced Safety: Complies with IEC62133, multi-layer protection.

• Compact Design: Slim profile (12mm) for embedded use.

• Wide Temperature Range: Suitable for extreme environments.