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
Makita 18V LXT Lithium-Ion 4.0 Ah Battery and Rapid Optimum Charger Starter Pack BL1840BDC2 - The Home Depot
18V Battery Charger for Makita,DC18RC Replacement Battery Charger with LCD Display USB Interface for Makita 14.4V-18V Lithium Ion Battery BL1830 BL1840 BL1850 BL1815 - Walmart.com