Amazon.com: 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 : Tools & Home Improvement
Amazon.com: MT20DL Battery Adapter for Makita 18V BL1830 BL1860 BL1815 Li-ion Battery Convert for Dewalt 18V 20V DCB200 Li-ion Battery