Cordless LED Work Light For Makita 18V LXT Li-Ion Battery w/ USB Fast Charge | eBay
Battery Adapter for Makita 14.4V-18V Battery Portable Fast Charging Battery Converter with LED Light and Dual USB Port Compatible with ADP05 BL1815 BL1830 BL1840 BL1850 - Walmart.com
Makita 18V LXT Lithium-Ion High Capacity Battery Pack 5.0 Ah with LED Charge Level Indicator (2-Pack) BL1850B-2 - The Home Depot
DIY: Repair Makita BL1830 Battery by Making One Good From Two Bad : 8 Steps (with Pictures) - Instructables