Battery Adapter for Makita 18V Li-ion Battery To Replace for Makita G series battery BL1813G BL1815G BL1811G Lithium Battery - AliExpress
Makita DTM52Z Li-ion LXT Brushless Multi-Tool - Batteries and Charger Not Included, Blue, 18 V - 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