Makita 18V 6.0Ah Battery BL1850B Li-Ion – BL1860 Compatible
Makita 18V 6.0Ah Lithium-Ion Battery – BL1850B / BL1860 Compatible
Power through your toughest jobs with the genuine Makita 18V 6.0Ah Lithium-Ion Battery (BL1850B). Engineered for professionals and serious DIYers alike, this high-capacity Li-Ion battery delivers up to 2.3× more run time per charge compared to a 3.0Ah battery, so you spend less time waiting and more time working. Drop it into any Makita 18V LXT tool and experience consistent, reliable power from start to finish.
Made in Mainland China.
Key Features
- High Capacity: 18V / 6,000mAh (6.0Ah) for extended runtime on demanding applications.
- Advanced Circuit Board: Single-cell balance detection ensures every cell charges and discharges evenly, maximising battery lifespan.
- Built-In Protection: Safeguards against incorrect voltage, short circuits, overheating, overcharge, and over-discharge.
- LED Charge Indicator: Check remaining power at a glance — no guesswork on the job site.
- Rugged Construction: High-quality, shockproof housing stands up to the rigours of daily professional use.
- Wide Charger Compatibility: Compatible with Makita chargers accepting 14.4V–18V Li-Ion batteries; charger input 110V–240V universal.
- Multiple Certifications: CE, FCC, RoHS, PSE, and TÜV certified for safety and performance.
Specifications
| Battery Type | Lithium-Ion (Li-Ion) |
| Nominal Voltage | 18V |
| Nominal Capacity | 6,000mAh (6.0Ah) |
| Model Number | MT-18V (BL1850B) |
| Charger Input | 110V–240V (Universal) |
| Charger Output | 14.4V–18V DC 3A |
| Compatible Voltage | 14.4V & 18V Li-Ion (NOT compatible with 10.8V batteries) |
| Certifications | CE, FCC, RoHS, PSE, TÜV |
| Origin | Made in Mainland China |
Replacement Battery Codes
194204-5, 194205-3, 194309-1, 194230-4, BL1815, BL1830, BL1840, BL1850, BL1860, LXT400
Compatible Makita Models (Select List)
BDF453SHE, BDF454Z, BHP452, BML184, BML185, BST221Z, BTDW251Z, ML185, TD140D, TW251D
Series: BCS550, BDA350, BDF451, BFR550, BFR750, BFS450, BGA452, BHP451, BHP453, BHP454, BHR202, BHR240, BHR241, BJR181, BJR182, and all Makita 18V LXT tools.
Use Ctrl+F on this page to search for your specific model number.
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Frequently Asked Questions
Q: Is this a genuine Makita BL1850B 18V 6.0Ah battery?
A: Yes. This listing is for a genuine Makita 18V 6.0Ah Li-Ion battery (model BL1850B). It carries CE, FCC, RoHS, PSE, and TÜV certifications and is built to Makita's quality standards, making it a direct fit for all Makita 18V LXT power tools.
Q: Which Makita tools is this 18V 6.0Ah battery compatible with?
A: This battery is compatible with all Makita 18V LXT tools, including drills, drivers, grinders, saws, and more. It also replaces earlier Makita 18V battery models such as BL1815, BL1830, BL1840, BL1850, BL1860, and BL1860B. It is NOT compatible with Makita 10.8V tools.
Q: How long does the Makita BL1850B 6.0Ah battery last compared to smaller batteries?
A: The 6.0Ah BL1850B provides up to 2.3× more run time per charge than a 3.0Ah Makita battery, making it ideal for extended work sessions or high-demand applications where frequent recharging would otherwise slow you down.
Q: Does this battery come with overcharge and short-circuit protection?
A: Yes. The BL1850B features a built-in advanced circuit board with single-cell balance detection, plus protection against overcharge, over-discharge, short circuits, overheating, and incorrect voltage input — helping maximise both safety 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.