Amazon.com: 18V DC18SF 4-Port Fast Charger with Dual USB Port Compatible with Makita 14.4V 18V LXT Li-ion Battery BL1840 BL1850 BL1860 BL1890, Replacement for Makita 18 Volt Battery Charger DC18RC DC18RD :
Makita DC18SF Lithium Ion Battery Charger, 18 Volt Rapid Optimum 4 Port Charger | eBay
4-Port 18V Lithium-Ion Charger DC18SF for Makita 14.4V-18V Lithium Bat — Vanon-Batteries-Store
Amazon.com: 18V 4-Port Charger DC18SF Replacement for Makita 14.4V-18V Lithium Batteries BL1830 BL1840 BL1850 BL1860 BL1815 BL1430 Hiesuan Rapid USB Charger, Replace DC18RD DC18RE DC18RC : Tools & Home Improvement