🛒【DCA1820 Battery Adapter】It's the Upgraded Version of DCA1820, Not only for DeWalt 20V but also compatible with Milwaukee 18V Lithium Batteries. 🛒【Work for Dewalt 18V Nicad&Nimh Tools】It Converts for Dewalt 20V & for Milwaukee M18 18V Llithium Battery to for Dewalt 18V Old NiCad & NiMh Battery Tools. 🛒【USB Interface Design】The USB interface (output: 5V 2.1A) allows you to charge your mobile phone, iPad, Airpods and other small electronic devices at anywhere and anytime. (Note: This function requires battery insert as a source.) 🛒【Material Guarantee】Made of high quality ABS plastic, solid design, made of high quality material, durable and safe, convenient to carry and easy to use. 🛒【What You Get】1*DM18D adapter (battery not included) & 1*manual. And come with 12 months product warranty to ensure your worry-free purchase. Please feel free to contact us if any concerns about this product. DM18D Battery Adapter for Dewalt 18V Tools, Replace DCA1820 for DeWalt 20V & for Milwaukee M18 Lithium Battery to for DeWalt 18V NiCad & NiMh Battery Tools, with USB Port (1 Pack)