Makita BL1850-2 18-volt LXT Lithium-Ion 5.0Ah Battery, 2-Pack- Discontinued by Manufacturer (Discontinued by Manufacturer) - Amazon.com
Makita LXT 10 in. 18V Lithium-Ion Brushless Electric Battery Chainsaw Kit (4.0Ah) with bonus 18V LXT Lithium-Ion Battery 4.0Ah XCU06SM1BL1840B - The Home Depot
Makita 18V LXT Lithium-Ion High Capacity Battery Pack 3.0Ah with Fuel Gauge (2-Pack) BL1830B-2 - The Home Depot