Makita 18V LXT Lithium-Ion Battery Pack 4.0Ah and Charger Starter Kit w/bonus 18V LXT/12V max CXT Bluetooth Job Site Speaker BL1840BDC1-XRM8 - The Home Depot
Amazon.com : 2Packs Upgraded 6.0Ah 18V BL1860B Replacement Lithium-ion Battery Compatible with Makita 18 Volt Battery with LED Indicator BL1860 BL1850 BL1840 BL1820 BL1815B LXT400 Cordless Power Tools : Tools & Home
Rocivic Replacement for Makita 18V Battery 6Ah 2 Packs, Compatible with Makita BL1820B BL1830B BL1840B BL1850B BL1860B 18V Cordless Power Tools, with LED Indicator - - Amazon.com