Jump Starter,Portable Rechargeable Battery Power Bank and Car Jump Starter/High Quality Newest Multi-Function 20000mAh Power Bank Battery Booster Mobile Phone Laptop with SOS Light&Safety Hammer 1.Variety of chargers and jump lead that can give your car and your products the extra energy they need. With a zipped case that also contains the adapter tips and power lead,this product will fit in your car to be used in case of emergency. 2.There are a variety of adapters that be used to charge various mobile phones,for Sony PSP,MP3/MP4 players.PDAs,notebooks,car refrigerators and other compatible appliances. 3.It has 3 different kinds of lighting modes - you can use the flashlight and SOS lights in the dark in case of emergency. 4.Charging for mobile phones and laptops,starting cars,adjustable LED lights (torch,strobe lights and SOS lights). Multi-functional emergency kit that contains a car power bank. 5.It supports vehicles with 12V voltage or more.to start your car,firstly you should connect the power bank with the battery holder and then connect the negative and positive connectors of the holder with your car battery.