5000A Battery Booster: Car battery jump starter features a powerful 5000A peak current, and is designed for most 12V cars with gasoline engines up to 6.0L and diesel engines up to 4.0L. Suitable for cars, trucks, motorcycles, watercraft, lawnmowers, yachts, pickup trucks, snowmobiles, etc. With this battery booster, you no longer have to worry about unexpected situations and can start your vehicle in seconds. 48800mAh Large Capacity: 48800mAh mobile power bank with Quick Charge and dual USB ports. It can fully charge your laptops, phones, tablets, and other devices at the fastest possible speed. Don't worry about your phone running out of battery on the road! 4 LED Modes & Long Standby: 4 super convenient LED modes (lighting/flash/SOS/alarm), can help you start your car in the dark or in emergency at night. In addition, we use the latest version of clamps to slow down the battery self-discharge, let the car jump starter keep power for up to 12 months when not in use. Safety Jump