The portable jump box with latest technology has 3-5 times the current of the same capacity old jump starter.Jump starter battery pack can instantly restart 12V dead vehicles in seconds even at -4-140 Fahrenheit.The car jumper starter supports smart preset & auto shut-off without repeated adjustment and check. With unique turbocharged 35L/Min (150 PSI) lasting 25 minutes, jump starter provides fast and proper inflation to various tires, balls, etc. Friendly design with real-time data reading, detachable extended air hose and 3 optional unit switching for convenience.Upgraded from traditional heavy battery jump starter, it’s more lightweight but integrates 5 practical features to meet all your needs,including jump starter,air compressor,lighting,SOS and quick charging for USB e-devices.