The OBDII Adapter Cable is a 22-inch cord designed for 12V battery charging. It is compatible with vehicles with an OBDII port and has a current rating of 3A. The cable features a barrel connector and is suitable for use in gym and training activities. The product comes with a 1-year warranty and is manufactured by a reputable supplier. With an input voltage of 12 volts and output voltage of 12 volts of direct current, this adapter cable is a reliable and efficient option for charging batteries in the field.