Product Details The 12V 7A 84W Car Cigarette Lighter Power Adapter is designed to provide a convenient AC-to-DC power solution for equipment that normally operates from a 12V automotive cigarette lighter socket. By converting household AC power into a 12V DC output, it allows selected vehicle accessories to be operated from a standard electrical outlet when a vehicle battery is not being used.With a rated 12V output and up to 7A current capability, the adapter provides up to 84W of nominal output power. The cigarette lighter socket format makes it suitable for equipment fitted with a standard automotive power plug, providing a practical connection between household mains power and vehicle-oriented 12V devices.Typical applications include car refrigerators, portable vacuum cleaners, air pumps, tire inflators and other 12V automotive accessories. It can be particularly useful for testing or operating vehicle equipment indoors, in workshops, service environments or other locations where direct access to a vehicle power system is unavailable.The adapter is also suitable for applications where a standard 12V cigarette lighter interface is preferred over a dedicated DC terminal. This makes it easier to connect compatible automotive accessories without modifying their original power cables or connectors.For system integration, the connected equipment should be matched to the adapter's 12V output and 7A maximum current capability. Devices with higher power requirements should use a suitably rated power supply. The physical cigarette lighter connector and the electrical requirements of the connected equipment should also be checked before use.This 12V 7A AC DC adapter provides a practical power conversion option for automotive accessories and portable 12V equipment, combining an external AC input with a familiar car cigarette lighter output interface.