X-Connect OBDII Connector X-Connect OBDII Connector means that you can directly connect to the OBDII port found in vehicles 1996 & newer. The OBDII Connector is usually found under the dashboard & provides an easy way to charge & maintain a battery without any direct interaction with the battery. Or use with 13.6V Supply Mode found on select battery charger models to maintain vehicle power during battery replacements. Charge & maintain your battery directly through your OBDII port. Maintain battery power during replacement on vehicles 1996 & newer. Built-in fuse protection for increased safety. More ways to charge with plug-n-play accessory changes. Rugged, watertight connector for extreme environments.