18V Battery BL1840 BL1830 Super Fast Charger for All Makita BL1860 BL1850 BL1820 BL1815 LXT-400 194205-3 194204-5 BL1830B BL1830B-2 BL1850-2 BL1850B BL1850B-2 with LED Screen, USB Port - - Amazon.com
Amazon.com: Gamrombo 2Packs Upgraded to 6.0Ah 18V BL1860B Li-ion Replacement Battery Compatible with Makita 18V Battery BL1815 BL1830 BL1835 BL1840 BL1850 BL1860 LXT400 194205-3 Fit Cordless Power Tools : Tools & Home