Amazon.com: Adapter Converter for Makita 18V BL1860 BL1850 BL1840 Li-ion Battery to Ridgid AEG 18V Hyper li-ion Power Tool Battery : Tools & Home Improvement
NEW For Makita BL1850-B 18V LXT Lithium-Ion 4.0Ah Cordless Tool Battery 88381447805 | eBay
Upgraded 3.0Ah 2Packs BL1830 18V LXT Lithium-ion Replacement Battery for Makita 18V Battery BL1830 BL1860 BL1850 BL1840 BL1850B-2 BL1845 BL1815 BL1820 BL1860B Cordless Power Tools Series
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