Jump Starter,Portable Power Bank and Car Jump Starter / Newest Car Jump Starter 20000mAh Multi-Function Power Bank Battery Charger Booster Mobile Phone Laptop(20000MAH) 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. 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. It uses high-power battery that supports fast charging.low self-discharge,up to 1,000 charging cycles 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. 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.