Makita 18V X2 (36V) LXT Brushless 9 in. Power Cutter Kit, 4 Batteries (5.0 Ah) w/bonus 18V LXT Grinder and 9 in. Diamond Blade XEC01PT1-XAG4E2 - The Home Depot
AOYAN 18V 9.0Ah Replacement Battery with LED Display Compatible with Makita BL1850b BL1860b BL1830b BL1820 LXT-400 18Volt Cordless Tools - Amazon.com
Amazon.com: TENMOER 18V 9.0Ah BL1890 Replacement Battery Compatible with Makita Battery BL1830B BL1860B with Digital Display : Tools & Home Improvement
Bonadget Rechargeable 18V 3.0/6.0/9.0Ah Li-Ion Battery For Makita BL1830 BL1815 BL1860 Replacement Power Tool Battery/charger