This product is an emergency jump starter for your car. It helps you when you have a failed battery. It can help start your car with ease. It should be carried around in the car for emergency purposes. When charged, its battery can last for up to six months when not in use. When fully charged, it can jump start a vehicle up to 3 times before it goes off. It's suitable for saloon cars. Its also useful to charge phones, laptops, iPad, camera and other devices through its 4 USB ports.