21V Lithium Battery 3 MOS BMS Protection Circuit Board Replacement

Keep your power tools working reliably with a practical replacement solution for battery maintenance and repair. This 21V lithium battery protection board is designed for compatible rechargeable power tool battery packs, helping manage essential battery protection functions. Featuring a 3 MOS BMS circuit board configuration, it provides a replacement option for worn or damaged battery electronics. Ideal for technicians, DIY enthusiasts, and power tool owners, this battery PCB replacement helps support battery restoration without replacing the entire pack. Its compact design makes it suitable for compatible battery housing assemblies.

Key Features

• 3 MOS Protection Design: Supports battery management and protection functions in compatible lithium battery packs.

• 21V Battery Compatibility: Designed for specified 21V rechargeable power tool battery systems.

• Replacement PCB: Suitable for repairing or rebuilding compatible battery assemblies.

• Compact Construction: Fits compatible battery housings without unnecessary bulk.

• Practical Repair Solution: Offers an alternative to replacing an entire battery pack.

Why Choose Our 21V Lithium Battery Protection Circuit Board?

Unlike replacing a complete battery assembly, this lithium battery BMS module offers a targeted repair option when the existing protection board is faulty. Its 3 MOS configuration makes it a practical choice for compatible battery maintenance projects.

Perfect For

• Power tool battery repairs and restoration

• DIY lithium battery maintenance

• Replacement of damaged protection boards

• Electronics technicians and repair workshops

Product Specifications

• Product Type: Battery Protection Circuit Board

• Battery Type: Lithium-Ion

• Rated Battery System: 21V

• MOS Configuration: 3 MOS

• Application: Compatible power tool battery packs

• Component Type: Replacement PCB/BMS

• Package Includes: 1 Battery Protection Circuit Board

Restore Your Battery with Confidence

Give your compatible power tool battery a second chance with this practical replacement circuit board. Order today and make battery maintenance more convenient and cost-effective.