Amazon.com: EXXACT PARTS 18V 5.0Ah Lithium-ion BL1830 Replacement Battery for Makita BL1815N BL1820 BL1830 BL1840 BL1845 BL1850 BL1850B BL1860 BL1860B LXT-400 194204-5 Cordless Power Drill Tools Batteries : Tools & Home Improvement
Amazon.com: 18V Battery Charger for Makita,DC18RC Replacement Battery Charger with LCD Display USB Interface for Makita 14.4V-18V Lithium Ion Battery BL1830 BL1840 BL1850 BL1815 : Tools & Home Improvement
Upgraded to 6.0Ah BL1860B Replacement for Makita 18V Battery Lithium Ion BL1860 BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815 BL1815B LXT-400 with LED Indicator 2 Packs - - Amazon.com
Amazon.com: EID 150W Power Inverter Portable for Makita 18V BL1830 BL1850 Lithium Battery,DC 18V to AC 110V Outdoor Inverter with AC Outlet and Dual USB+200LM LED : Automotive