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
Makita BL1850B2DC2 18V LXT® Lithium-Ion Battery and Dual Port Charger Starter Pack (5.0Ah) - - Amazon.com
Amazon.com: 18V 5.0Ah Lithium-ion BL1830 Replacement Battery for Makita BL1815N BL1820 BL1830 BL1840 BL1845 BL1850 BL1850B BL1860 BL1860B LXT-400 194204-5 Cordless Power Drill Tools Batteries : Tools & Home Improvement