<b>BTECH USB Smart Charger (12V) Transformer Cable <br><br> USB 2.1A, 1A, and .5A compatible. <br><br> Transforms USB power to the 12V DC input (5.5MM Barrel Connector) <br><br> Compatible with all 12V Charger Variations; Some USB power transformers do not detect generation differences and oversupply voltage to older charger bases that require only 500mA. </b> <br><br> Great for use with automotive USBs, computer USBs, AC - USB adapters, and solar panel USB chargers. <br><br><b> Compatible with:</b><br> DMR-6X2 Radio Base Charger<br> If it uses a 12V input on the base with a standard 5.5MM DC Barrel plug <br><br> <b>Specification </b><br> Input: USB 5V (2.1A, 1A, and .5A)<br> Output: DC 12V (Up to 1000mA)