High-Capacity Lithium Battery Charger with Balance and Protection Board - Supports 25A to 100A (5S 100A 21V)

Product Overview:

🧩 This versatile 3S, 4S, 5S Li-ion Lithium Battery Protection Board is designed specifically for 18650 and other similar lithium battery packs used in applications such as drill motors. It incorporates advanced features for enhanced performance, ensuring safety and efficiency during operation. With multiple options for current ratings—ranging from 25A to 100A—this protection board is tailored to cater to various user needs, making it an ideal addition to your battery system.

Specifications:

• Voltage Ratings:
  • 11.1V (nominal voltage for Li-ion 18650 battery)
  • 12.6V (full charge voltage for Li-ion battery)
  • 10.8V (rated voltage for Lipo battery pack)
• Compatibility: Suitable for standard lithium batteries (18650, 26650, polymer) in 3S, 4S, and 5S configurations.
• Charging Voltage: 12.6V to 13.6V depending on the configuration.

🔋 Key Features:

• High Accuracy Detection: Equipped with a high-precision voltage detection circuit that ensures accurate monitoring of battery health.
• Safety Measures: Incorporates multi-stage over-current detection, short-circuit protection, and temperature control features, allowing for safe operation across a range of scenarios.
• Optimized Discharge Capability: Designed to deliver effective current management with peak discharge currents of up to 40A, ensuring reliable performance for demanding applications like power tools.
• Balancing Functionality: Features a balancing system that equalizes the voltage of individual cells during charging, enhancing the longevity and reliability of the battery pack.

🧩 Performance Parameters:

• Over Charge Voltage: 4.25V - 4.35V ± 0.05V
• Over Discharge Voltage: 2.3V - 3.0V ± 0.05V
• Maximum Working Current: 25A / 40A depending on design
• Maximum Peak Current: Up to 40A
• Operating Temperature Range: -40°C to +50°C
• Storage Temperature Range: -40°C to +80°C
• Life Cycle: More than 30,000 hours for prolonged usage
• Internal Resistance: Less than 100mΩ ensuring minimal energy loss

💍 Usage Recommendations:

💍 This protection board is not recommended for use with high-power electronic tools. For applications such as drills, it is crucial to match the battery's power specifications with appropriate discharge rates. Proper wiring and maintenance are essential for optimal performance; always ensure that the voltages in each battery group are consistent before series connection to avoid imbalances that could affect performance.

Conclusion:

🧩 Overall, this 3S, 4S, 5S Li-ion Lithium Battery Protection Board provides a reliable, safe, and efficient solution for managing power in various applications. With its advanced features and robust design, it is guaranteed to meet the demanding requirements of modern electronic tools and battery management needs.