Description: Comes with the USB port design, so you can use this battery adapter to charge smartphone, camera and other electronic equipment anytime and anywhere, which has good convenience, and with the compact structure, it is portable, Allowing the the marketed battery to be used on 18V tools, this battery adapter can bring you the benefits enjoyment of extending the life of the battery. Fireproof ABS is the main material of this battery adapter, so it is anti-corrosion and has long service life. The length of this battery adapter is 11cm, the width is 8.2cm and the height of it is 7.1cm. It is suitable for DeWALT batteries and for Milwaukee batteries, most of them can be applied. Item Name: Battery Converter Material: Fireproof ABS Rated Voltage: 18V Type: 20V Battery to 18V Battery Applicable Products: for DEWALT 20V Battery/for Milwaukee 20V Battery Convert Product: for RYOBI 18V Battery Features: USB Port Design, Voltage Transformer, Stable Size Details: 11cm x 8.2cm x 7.1cm/4.33" x 3.23" x 2.8" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Battery Adapter 1 x User Manual (English)