Features: 100% brand new and high quality The power input interface uses the alligator clip to connect to the power source and clamp the positive and negative poles of the battery to charge mobile phones and other devices. Over voltage, over current, over temperature, short circuit, it can be auto protection, and can work in normal condition when restored. Support 8-30V wide voltage input, universal for motorcycles and automobiles, with 4 USB ports, fast charging and high efficiency. Anti-reverse connection design, reverse connection does not power on, to avoid burning mobile phones and other equipment. Suitable for 5V digital products such as mobile phones, small speakers, tablet computers, LED lights, navigators, etc.