BL1850B → GDT01Z: battery to tool evidence

INCOMPATIBLE is the documented direction for BL1850B and GDT01Z, subject to the recorded conditions. Makita states LXT batteries belong to LXT products, while GDT01Z is an XGT tool.

Exact models and direction

Item	Recorded model
Source product	Makita BL1850B (battery)
Target product	Makita GDT01Z (tool)
Rule direction	battery to tool
Documented verdict	incompatible
Evidence access	Full manufacturer document reviewed

Conditions and exceptions

An official ADP10 adapter is for XGT-charger-to-LXT-battery charging, not direct LXT battery use in an XGT tool.

What the evidence does not establish

This exact directed statement cannot be reversed, extended to another SKU or used to infer charger AC-input suitability. A physical unit may have a different revision, region or safety notice.

Makita BL1850B18V LXT® 5.0Ah Battery · Model detail with primary source Makita GDT01Z40V max XGT® Brushless 4‑Speed Impact Driver, Tool Only · Model detail with primary source

Recheck the complete set

Open battery, tool and charger checker · Report a source change

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 USA — Makita battery platform FAQCXT, LXT, XGT and two-pack LXT rules · curated_primary · Checked 2026-10-30
Makita USA — BL1850B product pageBL1850B identity, 18V, 5.0Ah, Star Protection requirement · curated_primary · Checked 2026-10-30
Makita USA — GDT01Z product pageXGT impact driver model and tool-only package · curated_primary · Checked 2026-10-30
Makita USA — ADP10 product pageOfficial XGT charger adapter for LXT battery charging · curated_primary · Checked 2026-10-30