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
Rocivic Replace for Makita 18V Battery 6.0Ah, Compatible with Makita 18 Volt Battery BL1820B BL1830B BL1840B BL1850B BL1860B, Fit with Makita 18V Battery Charger - - Amazon.com
MT20DL Battery Adapter, Convert for Makita 18V Li-ion Battery to for DeWalt 18V/20V Lithium-Ion Tool Battery Adapter, Use for DeWalt 18V/20V Max Li-ion Cordless Power Tools - - Amazon.com
Amazon.com : 2Packs Upgraded 6.0Ah 18V BL1860B Replacement Lithium-ion Battery Compatible with Makita 18 Volt Battery with LED Indicator BL1860 BL1850 BL1840 BL1820 BL1815B LXT400 Cordless Power Tools : Tools & Home