The Ring RINVU500 is a compact 500W inverter, to convert 12V DC power to 230V. Provides mains power straight from your car - ideal for business trips, road trips and holidays. Suitable for use with devices up to 500W, such as charging a digital camera, powering a desktop PC, small electric drill or a small fridge. Includes a high power 2.1A USB socket, ideal for charging a smartphone or tablet. Attach directly to the 12V battery using included battery clamps. Compact and lightweight for easy storage.