The Makita to Milwaukee battery adapter is perfectly compatible with Makita 18V 20V max li-ion batteries BL1830 BL1840 BL1850 BL1860 BL1820 BL1815
Milwaukee M18 Battery Adapter Makita Milwaukee Battery Adapter M12 M18 - Battery - Aliexpress
MT20ML Battery Adapter Converter for Milwaukee M18 18V Lithium Battery Power Tools,Convert with Makita 18V,20V Battery BL1830 BL1840 BL1820 BL1815 for Milwaukee 18V Cordless Tool Power Source: : DIY & Tools
Battery Adapter for Makita to Milwaukee M18 18V Lithium Cordless Tool, Convert Makita 18V LXT Lithium Battery BL1860B/BL1850B/BL1830/BL1815 to Milwaukee 18 Volt Lithium-Ion M18 Battery Converter : Tools & Home Improvement
Milwaukee Battery Adapter for Makita
JJFX DM18M Battery Adapter for Milwaukee to Makita Battery, 18V Dewalt 20V Convert, DM18MA : Tools & Home Improvement
Milwaukee Battery Adapters – Power Tools Adapters
Aku Adapter MAKITA / MILWAUKEE - AkuAdapter
MT20ML Battery Adapter for Makita 18V Li-ion Battery to Milwaukee 18V Battery
LaiPuDuo MT20ML Adapter for Makita 18V Li-ion Battery BL1830 BL1860 BL1815 Convert to for Milwaukee M18 Lithium Battery : Tools & Home Improvement