Milwaukee M18 18-Volt Lithium-Ion HIGH OUTPUT XC 8.0 Ah Battery 48-11-1880 - The Home Depot
Amazon.com: Adapter for DeWalt to Milwaukee Battery, Aikeec Battery Adapter for DeWalt 18 20V Lithium Battery Convert to for Milwaukee 18V M18 Battery Use for Milwaukee M18 Cordless Power Tool (Adapter only) :