Superior Compatibility - With this Milwaukee to DeWalt Battery Adapter, you can seamlessly convert your Milwaukee batteries to be compatible with DeWalt 20V MAX power tools. Enjoy the convenience of using a single battery for multiple brands. Easy to Use - Perfectly works with Milwaukee M18 18V batteries, simply slide your Milwaukee battery into the adapter, and it will instantly fit and lock into DeWalt power tools. No complicated installation required. DO NOT use it to charge the batteries! Efficient Power Transfer - Experience efficient power transfer from your Milwaukee batteries to DeWalt tools, allowing you to work seamlessly without any interruptions. Compact with High-Quality Construction - Crafted with precision using durable materials, this battery adapter ensures long-lasting performance and reliability.With its compact design, this battery adapter is portable and can easily be carried along with your tools wherever you go. After-Sales - We are confident with our product and provide 12-month warranty with free replacement instead of repair if any defects due to faulty materials or workmanship within the specified warranty. Please be directed to us if any queries or concerns. Features - POWHAZY Battery Adapter Conversion Kit Changes from Milwaukee M18 18V Battery Pack to Dewalt 20V Battery Tools 1. Battery converter for Milwaukee M18 18V battery packs to fit for Dewalt 20V MAX battery power tools such as cordless drills/drivers, oscillating multi-tool, cordless wet-dry vacuum and more. 2. Compatibility & Applicability a). Compatibility: With Milwaukee M18 model such as 48-11-1852 / 48-11-1850 / 48-11-1880 / 48-11-1835 / 48-11-1865 / 48-11-1812 / 48-11-1820 / 48-11-1840 / 48-11-1828 / 48-11-1861 / 48-11-1860 / 48-11-1818 / 48-11-1850R b).Applicability: For Dewalt 20V battery power tools such as Brushless Cordless 1/4 in. Impact Driver / Cordless Impact Wrench / Brushless Circular Saw / 4-1/2 in. - 5 in. Brushless Cordless Reciprocating Saw / Hammer Drill / Cordless Coil Roofing Nailer Specifications- Size: 4*3*2 inch Weight: 4 oz