Amazon.com: Zuliati Upgraded 9.0Ah BL1890B Replacemet Battery Compatible with Makita 18V Battery BL1890 BL1860 BL1830 BL1840 BL1850 BL1850B Cordless Power Tools : Tools & Home Improvement
Amazon.com: for Makita 18V Battery Adapter Convert to for Hitachi 18V Lithium Cordless Tool and for Metabo18V (Not 36V) Slide Style Tools : Tools & Home Improvement
Amazon.com: BATTOOL 2 Pack 6500mAh BL1860 Replacement Lithium-ion Battery Compatible with Makita 18v Battery BL1850 BL1845 BL1840 BL1830 BL1820 BL1815 LXT400 194204-1 Cordless Power Tools : Tools & Home Improvement