KeyLine Chargers KC-fused-ring Terminal Connector with Black Universal SAE 2-Pin Quick Disconnect Plug 24" cord adapter with cover so when it is left on the battery and vehicle is in use it won't get dirty, wet, exposed & most importantly electrically shorted Plugs into all Keyline Chargers (and many others), as well as accessories with quick disconnect features Convenient for hard-to-access batteries or any batteries that you want to leave a semi-permanent easy access connection for vehicles/batteries that require battery maintenance Comes with an inline 3 amp fuse in case anything unexpected happens it will not damage your battery, charger or accessory Buy the best and relax; KeyLine Charger accessories come with a full 12 month warranty