When you need power, get it with the Boost Max GB250 5250 Amp 12-Volt Ultrasafe Portable Lithium Jump Starter Box from NOCO. This starter box is our most powerful lithium jump starter yet. It is designed for the largest and most challenging engine starts ever as it has over 5250-amps of starting power and can jump start gasoline and diesel engines up to 16 liters. Extremely safe and easy to use, you will be able to operate this pack without the worry of incorrect connections or sparks. Connect safely to any 12-volt battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection. It will jump-start almost every type of vehicle, including semi-trucks, and a variety of machinery including equipment for mining, agriculture, construction, and more. In addition, it has an integrated digital battery voltmeter for enhanced diagnostics. It is incredibly compact and portable as it weighs only 15 pounds and includes a portable carrying case. For a convenient and powerful tool, get this Portable Lithium Jump Starter Box from NOCO. SAFETY: This battery jump starter pack is safe and easy to use without the worry of incorrect connections or sparks. It will safely connect to any 12-volt battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection. VERSATILE: A commercial product, this starter box will jump start almost every type of vehicle and equipment, including semi-trucks, motorhomes, buses, and equipment for mining, agricultural, construction, and more. PORTABLE: Jump starters this powerful are typically enormous, but our high discharge lithium technology creates an extremely compact and lightweight design. It weighs only 15 pounds with a portable carrying case. MULTI-FUNCTIONAL: Not only is this a lithium jump starter, but it is also a portable power bank for recharging smartphones, tablets, and other products with a USB port. It also has an ultra-bright 600-lumen LED flashlight with seven light modes. INCLUDED: Included with this lithium jump starter pack and power bank is an XGC4 56W power adapter with interchangeable 60-inch AC cords, an XCG kit, and a max protection EVA case.