NE & ONLY 100W Fast-Charging Car Battery Jump Starter: Only 1.2 hours can fully charge the jump box from 0% to 100%. 5 minutes of charging time are enough to start a car(100W car charger is included in the package). A single full charge can achieve 60 times jumpstart. You can also use your own fast-charging charger to charge this jump starter through the type-c port. Up to100W Charging Speed for MacBook & Other Laptops: Charge it whenever and wherever as fast as the original adaptor for your laptops(Type-C port only). Powerful yet Compact Portable Jump Starter: 4000A peak cranking power enables Gooloo GT4000S to start almost all 12 volts dead vehicle engines up to 12.0L gasoline or 10.0L diesel in just a few seconds. Compared with a traditional car jumper or jumper cables kit, it's really powerful enough but more compact.Perfectly compatible with RVs, pickup truck , motorcycle, SUV, tractor, boat, etc. Easier & Safer to Jump-start: This portable lithium car battery jump starter pack has a 3.2-inch informative LED screen clearly to show product status , so you can know when to start the car intuitively. Built-in 10 kinds of protection technology to free your mind of misgivings of misoperation and sparks. 24 Months Stand-by Time: Regular charging is not necessary as long as you own the GT4000S battery jump starter. The built-in 10 protection technologies also greatly extend the service life of the product. More than a Battery Jump Starter: Not only a jump starter battery pack,the GOOLOO GT4000S also features as a portable battery bank with three USB Ports and a 400 lumen flashlight with 3 modes(SOS, SPOTLIGHT, STROBE).Plus a 15 volt 10 Amps port for powering any 15V or 12V DC devices, like tire inflators, inverters, and more. In The Box: Gooloo 4000A Portable Car jump starter battery pack GT4000S, Heavy Duty Jumper Cables, SC 100W Car Charger, USB to Type-C Cable, Type-C to Type-C Cable, Cigarette Lighter Adapter, Storage Bag, User Manual.