Makita BL1850 BL1830 18V Battery BMS PCB Protection Board
Makita BL1850 BL1830 18V Battery BMS PCB Protection Board
Makita BL1850 / BL1830 18V Li-Ion Battery BMS PCB Protection Board
Keep your Makita 18V power tool batteries running safely and efficiently with this replacement BMS (Battery Management System) PCB connector terminal block. Designed as a direct-fit replacement for Makita BL1850 and BL1830 lithium-ion battery packs, this charging protection board helps regulate and safeguard your battery cells during every charge cycle.
Key Features
- Compatible Models: Designed for Makita 18V BL1850 and BL1830 Li-Ion battery packs
- Function: BMS PCB connector terminal block for charging protection and cell management
- Voltage Range: Low voltage non-USB (below 75V DC / below 50V AC); output power <18.65W
- Certification: CE certified for quality assurance
- Battery & Charger: Battery and charger not included — replacement PCB board only
- No high-concern chemicals — safe for handling and use
What's in the Package
- 1 / 2 / 3 pcs × BMS PCB Connector Terminal Block (select your quantity)
Why Choose This BMS Protection Board?
A faulty or worn PCB connector is a common cause of battery pack failure. This purpose-built replacement board restores proper charging protection to your Makita 18V battery, extending its usable life and helping you get the most out of your investment in Makita power tools. The compact design fits neatly within the original battery housing with no modifications required.
Made in Mainland China.
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Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: Which Makita battery models is this BMS PCB board compatible with?
A: This charging protection board is specifically designed for Makita 18V lithium-ion battery packs, including the BL1850 and BL1830 models. It serves as a direct replacement connector terminal block for the PCB BMS inside these battery packs.
Q: Does this listing include the full battery or charger?
A: No — this listing is for the BMS PCB connector terminal block only. The Makita battery pack and charger are not included. This is a replacement component intended for battery repair or rebuild purposes.
Q: How many pieces will I receive?
A: You can choose to receive 1, 2, or 3 connector terminal blocks per order, depending on the quantity option you select at checkout.
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.