3S 12V 25A 18650 Lithium Battery Protection Board

3S 12V 25A 18650 Lithium Battery Protection Board

The 3S 12V 25A 18650 Lithium Battery Protection Board is designed for applications requiring high current and balanced charging, providing comprehensive protection features. It supports 11.1V and 12.6V configurations and includes overcharge, over-discharge, overcurrent, and short circuit protection functions.

Key Features

• Current Handling:
  • Continuous Discharge Current: 25A
  • Peak Current (for 0.5 seconds): 50A
• Protection Functions:
  • Overcharge protection
  • Over-discharge protection
  • Overcurrent protection
  • Short circuit protection
• Balanced Circuit:
  • Ensures all cells charge evenly
  • Board may warm up during the balancing process, even after the charger is disconnected, until the balance threshold is reached
• Integrated Ports: Charging and discharging share the same port

Specifications

• Nominal Voltage: Suitable for 3S configurations with 11.1V and 12.6V batteries
• Balanced Charging: Ensures uniform charging across all cells
• Dimensions: Compact design for easy integration into various devices

Usage Notes

• Heating: The board may warm up during the balancing process, which is normal. It will continue to warm until the balancing process is complete.
• Wiring Diagram: Ensure correct wiring according to the specified diagram to avoid damage.
• Compatibility:
  • Not suitable for iron lithium polymer batteries, electric finish machinery, electric bicycle batteries, or car and motorcycle starter batteries.
  • Suitable for various devices within rated power limits.

Applications

• Electric Drills
• 775 Motors (6A-10A)
• Small Power Inverters
• Small Power Vacuum Massagers
• LED Lamps
• 12V Standby Power Electronic Products
• 12V 120W Car Washing Pumps
• Solar Street Lamp Monitoring Standby Power Supplies

Additional Warnings

• Overcurrent Handling: Rated current should not exceed 25A, and peak current should not exceed 50A for more than 0.5 seconds.
• Compatibility Check: Ensure the device’s power and current requirements are within the protection board’s rated limits to avoid damage.

This protection board is ideal for managing and safeguarding your 3S lithium battery packs, ensuring reliable performance and safety in various high-current applications.