Amazon.com: 5.0Ah BL1850B Battery Replacement for Makita 18V Battery,5000mAh High Capacity Compatible with Makita LXT Lithium Ion Battery BL1815B BL1840B BL1830B BL1820B,2 Pack with Mount Holder ¡ : Tools & Home
MT20RNL Adapter for Makita 18V Battery to for Roybi 18V Battery,Most Batteries for MAKITA:BL1860B / BL1860 / BL1850B / BL1850 / BL1840 / BL1830B / BL1830 / BL1820 / BL1815 etc. - - Amazon.com
Amazon.com : AMICROSS 2-Pack 6.0Ah Replacement Battery Compatible with Makita 18V Battery with LED Indicator BL1860B BL1860 BL1850 5.0Ah BL1840 4.0Ah BL1820 BL1815B LXT400 18 Volt Lithium-ion Cordless Power Tools… : Tools
Amazon.com: 3.0ah BL1830 Replacement for Makita 18V Battery LXT Lithium-ion Compatible with 18 Volt Makita Battery BL1815 BL1820 BL1820b BL1830 BL1830b BL1840 BL1840b BL1850 BL1850b fit Cordless Tools : Tools & Home
Amazon.com: Power Wheel Adapter for Makita 18V Battery with Fuse & Switch & Wire terminals,Power Connector for Rc Car, Robotics, Rc Truck,DIY use, Work with for Makita BL1860 BL1850 BL1840 BL1830 Li-ion
Amazon.com: 2 Pack 6.0Ah BL1860B Battery with DC18RC Charger Compatible with Makita 18V Battery BL1860 BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815B LXT400 18-Volt Power Tools Batteries : Tools & Home Improvement