Hardwire Power Supply 12V DC/DC (https://www.weboost.com/products/hardwire-power-supply-12v-dc-dc) This power cable will power your booster using a hardwired connection. (DIY installation required). Its 12V/1.8A DC/DC with 11 ft. cable and 2.1mm barrel connector. The power cable has stripped and tinned leads for hardwiring in vehicles. Includes an in-line fuse holder and 3A fuse. Compatible with 12V Drive Reach boosters only. Not compatible with the older 5V Drive Reach models. The Hardwire Power Supply will work with the following: