Adapter Battery For SKIL 20V MAX Li-ion Battery to Makita 18V Series Power Tools | eBay
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
Waitley 18V 5.0ah Bl1850b Replacement Battery Compatible with Makita 18volt Bl1830b Bl1860b Bl1820 Bl1850 Bl1860 Bl1840 Bl1815 Lxt-400 with LED Power Display - China Lithium Battery and Power Tool Battery