BL1850B is a documented battery in the 18V LXT system. This page identifies its sourced specifications, exact-model restrictions and the next check before use.
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Verified model facts
| Field | Manufacturer-sourced value |
|---|---|
| Manufacturer | Makita |
| Exact model | BL1850B |
| Product type | battery |
| System | 18V LXT |
| Market | US |
| Voltage label | 18V |
| Capacity | 5Ah |
| Chemistry | lithium-ion |
| Technology | STAR Protection |
- Compatible only with Makita STAR Protection tools identified by a star symbol and/or a yellow battery receiver.
- The manufacturer lists 5Ah capacity for this exact pack.
- Makita limits this pack to 18V lithium-ion tools bearing the Star Symbol or a yellow battery receiver.
- The product page lists a 45-minute charge time under Makita's stated charging setup; actual charging may vary.
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What compatibility data says
- charger to battery — DC18RE: compatible. Manufacturer documentation records this charger to battery relationship.
- battery to tool — XDT19Z: conditional. Both are LXT products, but the BL1850B product page adds a receiver condition.
- battery to tool — XSR01Z: conditional. Makita's XSR01Z product page explicitly requires two 18V LXT batteries.
- charger to battery — DC18RC: conditional. Makita's official catalog lists BL1850B for DC18RC; outlet suitability is a separate check.
- battery to tool — GDT01Z: incompatible. Makita states LXT batteries belong to LXT products, while GDT01Z is an XGT tool.
BL1850B ↔ XDT19ZBoth are LXT products, but the BL1850B product page adds a receiver condition.BL1850B ↔ XSR01ZMakita's XSR01Z product page explicitly requires two 18V LXT batteries.BL1850B ↔ DC18RCMakita's official catalog lists BL1850B for DC18RC; outlet suitability is a separate check.BL1850B ↔ GDT01ZMakita states LXT batteries belong to LXT products, while GDT01Z is an XGT tool.
Exceptions, source limits and safety
- Check the receiver marking on older LXT tools before assuming this pack fits.
A missing rating is not zero or universal support. Charger AC input and pack-to-tool use are separate checks.
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Official sources
These source records were reviewed as of 2026-10-30; access methods differ. Open the latest manufacturer manual for your exact type, region and revision before use.
- Makita U.S.A. — Makita BL1850B: 18V LXT® 5.0Ah BatteryThe official US page identifies BL1850B as 18V LXT® 5.0Ah Battery. Compatible only with Makita STAR Protection tools identified by a star symbol and/or a yellow battery receiver. · full_page · Checked 2026-10-30
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