Makita 18V LXT Lithium-Ion High Capacity Battery Pack 4.0Ah and Charger Starter Kit with bonus 18V LXT 4-5/16 in. Grass Shear BL1840BDC1-XMU5 - The Home Depot
Amazon.com: 2 Packs Replace for Makita 18V Battery 6.0Ah, Replacement Makita 18 Volt BL1860B Batteries BL1820B 1830B 1840B 1850B, Compatible with Makita 18v Tools, Fit with Original Makita 18v Battery Charger :