Amazon.com : Dosctt 2 Packs 18 Volt 3.0Ah BL1830B Replacement Battery Compatible with Makita 18V Battery Lithium BL1815 BL1820 BL1830 BL1840 BL1850 BL1860 LXT-400 : Tools & Home Improvement
Amazon.com: Makita BL1815N 18V 1.5Ah Lithium Ion Battery : Tools & Home Improvement
Amazon.com : DM18M Battery Adapter for Dewalt 20V Convert to for Makita 18V Lithium BL1830 BL1840 BL1850 14.4V-18V Battery : Tools & Home Improvement
Makita BL1815-2 18-Volt 1-1/2 Ah Compact Lithium-Ion Battery, 2-Pack (Discontinued by Manufacturer) - Power Drill Accessories - 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