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
Makita XAG09Z 18 Volt LXT Lithium-Ion Brushless Cordless 4-1/2 Inch / 5 Inch Cut-Off/Angle Grinder, with Electric Brake with Makita BL1850B 18 Volt LXT Lithium-Ion 5.0Ah Battery - - 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