21V 25A 5S BMS Board for Makita-Style Lithium Power Tool Batteries

Power your repairs with confidence and keep your cordless tools working longer. This 21V lithium battery protection board is designed for 5-series Li-ion battery packs used in Makita-style power tool batteries. Built for DIY battery rebuilds, repairs, and custom packs, it helps manage charging and discharging with stable circuit protection. Compact, practical, and reliable, it’s a smart upgrade for restoring everyday tool performance.

Key Features

• Supports 5S Li-ion battery packs with 21V charging and 25A current handling
• Helps protect against overcharge, over-discharge, overcurrent, and short circuits
• Monitors battery voltage, charge/discharge current, and temperature
• Ideal for repairing or rebuilding compatible cordless power tool battery packs

Why Choose Our 21V 25A 5S BMS Board for Makita-Style Lithium Power Tool Batteries
Unlike basic circuit boards, this Makita battery protection board is made for high-demand power tool battery use. It delivers the essential safeguards your pack needs without bulky hardware or complicated installation. A practical choice for extending battery life, improving safety, and getting more value from compatible tool batteries.

Perfect For
DIY battery rebuilders, tool repair shops, hobby electronics projects, and anyone maintaining 5S lithium power tool battery packs.

Product Specs
Type: 25A battery protection circuit
Battery Series: 5S Li-ion
Charging Voltage: 21V
Current: 25A
Application: Makita-style power tool battery packs

Restore Power With Safer, Smarter Protection
Order today and give your compatible lithium power tool battery pack the protection it needs to work harder, longer, and more reliably.