18V BMS PCB Protection Board for Makita BL1830–BL1860
18V BMS PCB Protection Board for Makita BL1830–BL1860
18V Lithium-Ion BMS PCB Protection Board for Makita BL1830, BL1840, BL1850 & BL1860
Keep your Makita 18V lithium-ion battery pack running safely and efficiently with this high-quality Battery Management System (BMS) PCB Protection Board. Designed as a direct replacement for Makita BL1830, BL1840, BL1850, and BL1860 battery packs, this board provides essential electronic safeguards to help extend battery life and maintain stable performance during every charge and discharge cycle.
Key Features
- Compatible Models: Makita BL1830, BL1840, BL1850, BL1860 — 18V Lithium-Ion battery packs
- Built-In Protection Circuits: Guards against overcharge, over-discharge, overcurrent, and short-circuit conditions to keep your battery operating safely
- Stable Voltage Range: Designed for low-voltage non-USB applications (below 75V DC / below 50V AC)
- Colour: Blue PCB — easy to identify during installation
- Lightweight: Approximately 50g per unit — minimal added weight to your battery pack
- Convenient Packaging: Supplied in a protective bag to prevent damage during transit
- What's Included: 1 × Protection Board
Why Replace Your BMS Protection Board?
A faulty or worn BMS protection board can cause your Makita battery to stop charging, discharge too quickly, or fail to communicate properly with your tools. Replacing this board is a cost-effective way to restore a battery pack rather than purchasing a brand-new one. This board is a practical solution for DIY enthusiasts and professional tradespeople alike.
Specifications
| Accessory Type | Battery Management System (BMS) PCB |
| Compatible Voltage | 18V Lithium-Ion |
| Colour | Blue |
| Weight | ~50g |
| Package Contents | 1 × BMS PCB Protection Board |
| Country of Origin | Made in China |
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: Which Makita battery models is this BMS PCB Protection Board compatible with?
A: This protection board is specifically designed for Makita 18V lithium-ion battery packs, including models BL1830, BL1840, BL1850, and BL1860. Always verify your existing board's layout matches before installation.
Q: Does this board protect against overcharging and short circuits?
A: Yes. The BMS PCB includes built-in protection circuits designed to guard against overcharge, over-discharge, overcurrent, and short-circuit scenarios, helping to maintain safe and stable battery operation.
Q: Is installation of the BMS PCB Protection Board difficult?
A: Replacing a BMS board requires basic electronics knowledge and soldering skills. If you are not experienced with battery electronics, we recommend consulting a professional technician to ensure correct and safe installation.
Q: Does this listing include the battery or charger?
A: No — this listing includes only the BMS PCB Protection Board (1 × unit). The Makita battery pack, cells, and charger are not included.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.