Note: This item comes with UK plug, please confirm the voltage of your area before purchasing. Portable battery charger/maintainer automatically adjusts the charge current and maintainability according to the temperature. Automatic detection of ambient temperature, so that winter can be full speed, summer is not overload.optimized for any climate, easy to deal with a variety of harsh voltage environments. Features - Color: Green. - Material: ABS andrubber and copper. - Size: 15.00 x 8.50 x 6.20cm/ 5.89 x 3.34 x 2.44 inch. - Input voltage: AC110-220V (50-60HZ). - Output voltage: DC13.8-15.5V. - Output current: DC-6A (MAX). - Scope of application: 12V 2Ah-100Ah. - UK: 230V. - Compatible with all types of vehicles, charges and maintains, electric vehicles agricultural vehicles, off-road vehicles, pickup trucks, boats, yachts, motorboats, and more. - One key to repair, activate battery, pulse repair function can help to repair your loss battery and extend battery life. - Automatically adjust the charging current, easy to deal with a variety of harsh voltage environments. - This car battery charger ensure the adaptive charging process, with maximum safety, and automatically stop when the battery is fully charged.