Battery terminals with socket Use the 12 V power of your car also outside the car. From now on you can easily connect e.g. your compressor with car connector directly to the battery. - car adapter with 2 clamps - for max. 12 V / 16 A - connect directly to the car battery - cable length: 25 cm - with protective cap Examples of use to operate polisher , compressor, vacuum cleaner, work light and many other devices directly from the car battery General info about car plugs/sockets - standard plug/socket (DIN 4165) = Ø12 mm - cigarette lighter plug/socket = Ø21 mm - universal plug (with removable red cap) = standard plug (DIN 4165) Ø12 mm (without red cap) and cigarette lighter plug Ø21 mm (with red cap)