For Makita BL 18V lithium battery Convert to 18V Dewalt Battery Adapter MAK1820
For use with Makita 18V Li-ion Only. It can replace Dewalt nickel chromium nickel hydrogen 18V battery. BL1840 BL1840B BL1850 BL1850B BL1860 BL1860B BL1845 BL1890 BL1890B 18V Li-ion battery. Do not wet.