Amazon.com: SUnMilY for Makita 18v Battery, 6.0Ah Replacement Lithium Batteries Compatible with Makita Battery 18V BL1860 BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815B (4 Pack) : Tools & Home Improvement
Amazon.com: 18V 6.0Ah Lithium Ion Battery Replacement for Makit BL1815, BL1830, BL1835, BL1840, BL1850, BL1860, LXT400, 194204-5, 194205-3, 194230-4, 194309-1 (6000mAh 18V) : Tools & Home Improvement
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