Makita 18V BMS PCB Protection Board BL1830 BL1850 BL1860 LED
Makita 18V BMS PCB Protection Board BL1830 BL1850 BL1860 LED
Makita 18V Li-Ion Battery BMS PCB Charging Protection Board
Upgrade or rebuild your Makita 18V battery packs with this high-performance Battery Management System (BMS) PCB Charging Protection Board. Engineered to be fully compatible with Makita BL1815, BL1830, BL1850, BL1860, and LXT400 battery housings, this board delivers comprehensive cell-level protection and real-time battery status indication via LED — keeping your power tools running at peak performance.
Made in Mainland China.
Key Features
- Dual IC Cell Monitoring: Built-in dual IC independently detects and monitors each individual cell voltage, and tracks usage cycles for smarter battery management.
- Multi-Layer Protection: Provides overvoltage, undervoltage, overheat, overcurrent, overcharge, and short-circuit protection on every cell — extending battery life and safeguarding your tools.
- Low Voltage Shutdown: Compatible with the full new Makita 18V series; automatically triggers low-voltage shutdown to prevent deep discharge damage.
- Anti-Vibration Design: Stable, rugged construction ideal for use with Makita torque wrenches, impact drills, angle grinders, and other demanding power tools.
- Battery Status LED: Integrated LED indicator for quick, at-a-glance charge status monitoring.
- PCB Color: Available in Blue, Green, Red, or other colors — color is shipped based on current stock availability. If you have a specific color preference, please do not order, as we cannot guarantee a specific color.
PCB Technical Specifications
- High Rate Discharge: 15A
- Maximum Discharge Current: Continuous 60A, Pulse 195A
- Discharge Termination Voltage: 13.75V
- Overcharge Protection Voltage: Single cell 4.25V ± 0.025V
- Overcharge Recovery Voltage: 4.1V ± 0.025V
- Over-Discharge Protection Voltage: Single cell 2.7V ± 0.08V
- Over-Discharge Recovery Voltage: Single cell 3.0V ± 0.08V
- Charge High-Temperature Protection: > 60°C ± 2°C
- Overcurrent Protection 1: ≥ 100A / 1s delay
- Overcurrent Protection 2: ≥ 180A / 100ms delay
- Short Circuit Protection: ≥ 200A
Compatibility
- Makita BL1815
- Makita BL1830
- Makita BL1850
- Makita BL1860
- Makita LXT400
What's in the Box
- 1 × Makita 18V BMS PCB Charging Protection Board
Looking for more DIY and tools accessories? Check out our Stainless Steel Cord End Caps with Loop and Metal Q Ring Spring Clasps for your other projects.
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Frequently Asked Questions
Q: Which Makita 18V battery models is this BMS PCB protection board compatible with?
A: This BMS PCB Charging Protection Board is compatible with Makita 18V Li-ion battery models including BL1815, BL1830, BL1850, BL1860, and LXT400 series battery housings. It is designed to work seamlessly with the full range of new Makita 18V power tool batteries.
Q: Can I choose the PCB board color when ordering?
A: The PCB board is available in various colors including Blue, Green, and Red; however, the specific color shipped depends on current stock availability. If you have a strong preference for a particular PCB color, we recommend not placing an order, as we are unable to guarantee a specific color will be sent.
Q: What types of protection does this BMS board provide for my Makita battery?
A: This BMS board provides comprehensive multi-layer protection including overvoltage protection, undervoltage (over-discharge) protection, overcharge protection, overcurrent protection, overheat protection, and short-circuit protection — all monitored at the individual cell level using dual IC technology for maximum reliability and battery longevity.
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.