The DC converter can provide your device with protection against over voltage, overload, over current, over heating, short circuit, etc. It is widely used in multi-functional devices such as cars, ships, trucks, golf cart, motors, solar panels, LED light strips, screen displays, etc. | Unique Bargains | | DC 12V to 19V 4A 76W Step Up Converter IP67 Waterproof for Car Truck Solar System | Black | Best Buy