Amazon.com: DC18SF 4-Port Compatible with Makita Battery Charger, WaxPar DC18SF 18V Rapid Charger Compatible with Makita 14.4V-18V Li-ion Battery BL1830 BL1840, Replace for DC18RC DC18RD DC18RA Charger : Tools & Home Improvement
Amazon.co.jp: Gakkiti Makita Charger for DC18RF, 14.4V-18V, Compatible with 14.4V / 18V Li-ion Battery, USB Terminal, USB Port for Charging Smartphones, etc. Makita BL1430 BL1440 BL1450 BL1460 BL1815 BL1830 BL1840 BL1850 BL1850