Amazon.com: 6.0Ah Replace for Makita 18V Battery BL1860B, Ultra High Capcaity Compatible with Makita 18 Volt Lithium Battery BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815B with Battery Holder 2 Pack, Black : Electronics
Makita USA - Product Details -BL1850B-10
Makita LXT 18 V 4 amps Lithium-Ion Battery 1 pc - Ace Hardware
Rechargeable Battery 18v Lithium Battery For Makita 18v B Series Battery With Battery Indicator Cordless Drill/saw/angle Grinder - Electric Saw - AliExpress
Makita USA - Product Details -BL1820B-2
Makita 18V LXT Lithium‑Ion Compact 2.0Ah Battery, 2 Pack- Get at GUS!
Makita 18V LXT Lithium-Ion High Capacity Battery Pack 3.0Ah with Fuel Gauge (2-Pack) BL1830B-2 - The Home Depot