Amazon.com: Simple Plus+ 2PCS Battery for Makita 18V 6.0Ah Battery Compatible with Makita 18V BL1860 BL1850B BL1840B BL1830B BL1815B LXT-400 LXT Cordless Power Tools : Tools & Home Improvement
Battery Makita BL1830B (197599-5), 3,0 Ah, 18 V
Amazon.com: Upgraded to 9.0Ah 1 Pack Lithium Ion Battery Replacement for Makita 18V Battery BL1860 BL1830 BL1840 BL1850 BL1850B LXT-400 with LED Indicator Compatible with All Makita 18V Cordless Power Tools :
For Makita BL1830B 18V 6.0Ah LXT Li-Ion Battery BL1860 B with Indicator US | eBay
Makita 18V LXT Lithium-Ion High Capacity Battery Pack 3.0Ah with Fuel Gauge (2-Pack) BL1830B-2 - The Home Depot