Amazon.com: Makita OEM (1) DC18RC Charger & (2) BL1840 4.0 Ah Batteries with (1) plastic cover NEW by Makita : Tools & Home Improvement
Amazon.com: Crtbelfy Battery Holder Mount for Makita 18V Battery Dock Holder Fit for BL1860 BL1850 BL1840 BL1830 Batteries - 5 Pack : Tools & Home Improvement
Amazon.com: DC18RC Replacement Charger Compatible with Makita 14.4V-18V Lithium ion Battery BL1815 BL1830 BL1840 BL1850 BL1430 BL1440 BL1450 : Tools & Home Improvement
Amazon.com: Ahomtikk 2Pack 6.5Ah BL1860B Battery with DC18RD Dual Port Charger Replacement for Makita 18V Battery with LED Display and Battery Charger Combo for Makita 18V LXT-400 BL1830 BL1850 BL1840 : Tools
DM18M Adapter converts for Dewalt 20V Lithium Battery and for Milwaukee 18V M18 Lithium Battery to for Makita 18V Lithium Battery BL1830 BL1840 BL1850 - Amazon.com
Makita BL1840 18V 4.0AH Battery (Discontinued by Manufacturer) - Amazon.com