Makita BL1840 18V 4.0AH Battery (Discontinued by Manufacturer) - Amazon.com
2Packs 12.0Ah Replacement for Makita 18V Battery BL1830 BL1840 BL1850 BL1860 BL1890 Compatible with Makita 18V Cordless Power Tools - Yahoo Shopping
12W 1120LM 18V LED Work Light Powered by Makita 14.4V 18V 20V Lithium-Ion Battery BL1850 BL1840 BL1830, Jobsite Flashlight Spotlight with USB Port and 90 Degree Pivoting Head(Tool Only)(Portable) - Amazon.com