21V 18650 Battery Protection Board with Temperature Control
21V 18650 Battery Protection Board with Temperature Control
21V 18650 Battery Protection Board with Temperature Control
Keep your power tools running safely and efficiently with this 21V 18650 Side Lights Battery Protection Board with Temperature Control. Designed for use with angle grinding machines, electric scissors, and electric hammers, this compact plastic PCB module provides essential over-charge, over-discharge, and over-current safeguards for 18650 lithium-ion battery packs — all while monitoring temperature to help prevent overheating during demanding tasks.
Key Features
- 21V Rated Voltage: Compatible with standard 18650 lithium-ion battery configurations used in common cordless power tools.
- Temperature Control: Built-in temperature sensing helps regulate battery performance and reduces the risk of overheating.
- Side Indicator Lights: Convenient LED side lights give you at-a-glance status monitoring of the protection board's operation.
- Multi-Tool Compatibility: Suitable for angle grinders, electric scissors, electric hammers, and similar 21V cordless devices.
- Durable Plastic Housing: Lightweight yet sturdy plastic construction designed to withstand the rigors of regular workshop use.
- Compact Design: Low-profile form factor fits neatly into compatible tool battery housings without bulk.
What's Included
- 1 × 21V 18650 Battery Protection Board with Temperature Control & Side Indicator Lights
Specifications
- Voltage: 21V
- Battery Type: 18650 Lithium-Ion
- Material: Plastic (PCB)
- Applicable Tools: Angle Grinding Machine, Electric Scissors, Electric Hammer
- Feature: Temperature Control, Side Indicator Lights, Over-current & Over-voltage Protection
Who Is This For?
Whether you're a DIY enthusiast, hobbyist, or professional tradesperson, this protection board is a cost-effective way to extend the life of your 18650 battery packs and keep your cordless power tools performing at their best. It's also a practical spare to keep on hand for battery pack repairs and rebuilds.
For more information on safe electrical component handling, visit the U.S. Consumer Product Safety Commission – Lithium Battery Safety.
Frequently Asked Questions
Q: What tools is the 21V 18650 Battery Protection Board compatible with?
A: This 21V 18650 protection board is designed for use with cordless power tools that use 18650 lithium-ion battery packs, including angle grinding machines, electric scissors, and electric hammers. Always verify your tool's voltage and battery configuration before installation.
Q: What does the temperature control feature do on this protection board?
A: The built-in temperature control monitors the battery pack's operating temperature during use. If the temperature exceeds a safe threshold, the protection circuit can help limit output to prevent overheating and extend overall battery life.
Q: What do the side indicator lights on the board show?
A: The side LED indicator lights provide a visual status readout of the protection board's operation, making it easy to confirm the board is active and functioning correctly at a glance during use or charging.
Q: What material is this protection board made from?
A: The board is constructed from durable plastic (PCB material), keeping it lightweight and resistant to the everyday wear of workshop environments while housing the internal protection circuitry.