Makita 18V 3.0Ah Li-Ion Battery – BL1830B BL1840B BL1860B

Makita 18V 3.0Ah Lithium-Ion Replacement Battery

Keep your Makita 18V power tools running at full capacity with this genuine-grade 3.0Ah lithium-ion replacement battery. Engineered to meet OEM specifications, this battery delivers consistent, long-lasting power for drills, drivers, grinders, saws, and more — all within the Makita 18V LXT platform.

Key Features

• 18V / 3.0Ah (3000mAh) Li-Ion cell technology for reliable, high-drain performance
• Advanced single-cell balance detection — keeps every cell charged and discharged evenly to extend overall battery lifespan
• Built-in memory chip & CPU automatically optimises charging cycles and protects cell health
• Multi-layer protection circuit guards against incorrect voltage, short circuit, and internal overheating
• LED charge indicator — check remaining capacity at a glance
• Shockproof high-quality housing built to withstand demanding job-site conditions
• Wide charger compatibility — works with standard Makita chargers (110V–240V input; 14.4V–18V output, 3A)
• Certified: CE, FCC, RoHS, PSE, and TÜV — meets international safety standards

Specifications

Compatible Battery Codes

BL1815, BL1830, BL1830B, BL1840, BL1840B, BL1845, BL1850, BL1850B, BL1860, BL1860B, LXT400 | Part Nos: 194204-5, 194205-3, 194309-1, 194230-4

Compatible Makita 18V Tools (Selected Models)

BDF451, BDF453SHE, BDF454Z, BHP451, BHP452, BHP453, BHP454, BHR202, BHR240, BHR241, BJR181, BJR182, BGA452, BCS550, BDA350, BFR550, BFR750, BFS450, BML184, BML185, BST221Z, BTDW251Z, ML185, TD140D, TW251D — and all Makita 18V LXT tools.

Note: Not compatible with 10.8V lithium battery chargers.

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Frequently Asked Questions

Q: Which Makita chargers are compatible with this 18V 3.0Ah battery?

A: This Makita 18V 3.0Ah Li-Ion battery is compatible with all standard Makita 18V LXT chargers that accept a 14.4V–18V input. The charger must accept a DC output of 14.4V–18V at 3A. It is not compatible with Makita 10.8V CXT chargers. Always use the correct charger to ensure safe, efficient charging.

Q: How long does a full charge last, and how does run time compare to higher-capacity models?

A: The 3.0Ah capacity provides a solid run time for most standard Makita 18V power tool applications. For reference, the BL1860B 6.0Ah model provides approximately 2.3× more run time per charge. The 3.0Ah option is ideal for lighter-duty tasks or as a reliable backup battery on site.

Q: Is this battery safe to use? What protections does it include?

A: Yes. The battery features a multi-layer built-in protection circuit that safeguards against incorrect voltage, short circuits, and internal overheating. Individual cell balance detection ensures every cell charges and discharges evenly, preventing overcharge and over-discharge. The unit is CE, FCC, RoHS, PSE, and TÜV certified.

Q: Will this battery fit all Makita 18V tools?

A: This battery is designed for the Makita 18V LXT platform and is compatible with a wide range of Makita 18V tools, including drills, impact drivers, grinders, circular saws, and reciprocating saws. Please cross-reference your tool's model number against the compatible models list above to confirm fitment before purchasing.

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.