Double Battery Charger Lithium-Ion Battery with USB Interface DC18RD Fit for Makita BL1830 Bl1430 14.4-18V (US Plug 110-130V) - - Amazon.com
Amazon.com: IASOBLI BL1815 Replacement for Makita 18v 6.0Ah Battery Compatible with BL1860B BL1850B BL1820 BL1830 BL1840B BL1830B BL1815B LXT-400 Cordless Power Tools with LED Indicator : Tools & Home Improvement
Amazon.com: makita bl1830 battery
Amazon.com : BL1830 BL1840 Replacement Battery for Makita 18V LXT Lithium-Ion BL1815 BL1830 BL1835 BL1840 BL1845 BL1850 BL1860 LXT400 Cordless Power Tools Battery : Tools & Home Improvement