Makita 18V LXT Lithium-Ion High Capacity Battery Pack 4.0Ah and Charger Starter Kit w/bonus 18V LXT 5 in. Random Orbit Sander BL1840BDC1-XOB1 - The Home Depot
Amazon.com : TENMOER 18V 9.0Ah BL1890 Replacement Battery Compatible with Makita 18V BL1830B BL1860B Cordless Drill with LED Screen Display,2-Pack : Tools & Home Improvement