Jump Start a dead battery on a Truck, Automobile, Motorcycle, Boat, Jet Ski, and so much more in just seconds. It can jump start an automobile battery multiple times on a full charge. Suitable for 8 cylinder gas and 6 cylinder diesel. The jump start offers up to 500 amps. The power bank can charge portable electronic devices such as Smartphones, Tablets, Bluetooth headsets, and any other DC 5V powered electronic devices. Fully charge your Smartphone in approx. 1 hour. With the 12V Output connector (adapter provided) you can power up other 12V devices such as an air compressor, vacuum, etc. Also has an LED light.