Start Dead Batteries - Safely jump start a dead car battery in seconds with this compact, yet powerful, 3000-amp portable lithium car battery booster jump starter pack - up to 40 jump starts on a single charge - and rated for petrol engines up to 9-liters and diesel engines up to 7-liters. UltraSafe - Safe and easy to use car battery booster jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt automotive car battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection. Multi-Function - It's a car jump starter, portable power bank, LED flashlight, and 12-volt portable power. Recharge smartphones, tablets, and other USB devices. It's easily rechargeable from any powered USB port in 6 hours at 2.1-amps. An integrated 500-lumen LED flashlight with seven light modes, including emergency strobe and SOS. Plus, a 12-volt, 15-amp outport port for powering any 12VDC devices, like tire inflators, inverters and more. Advanced Design - Our most advanced portable car battery booster jump starter ever. Featuring high-discharge lithium technology for safe operation in any climate. A rugged and water-resistant enclosure rated at IP65. A rubberized over-molded casing to prevent scratching or marring of surfaces. Rapid charging in 2 hours via the vehicles auxiliary port. And an ultra-compact and lightweight design weighing just 7.5 pounds. In The Box - GB150 UltraSafe Portable Lithium Car Battery Booster Jump Starter Pack, Heavy-Duty Battery Clamps, XGC Male and Female Connectors, XGC Cable, Micro USB Charging Cable, Microfiber Storage Bag, User Guide, 1-Year Warranty, and Designed in the USA.