NOCO Boost Max GB250 5250 Amp 12-Volt Ultra Safe Portable Lithium Jump Starter Box, Battery Booster Pack, and Commercial Jumper Cables for Gasoline and Diesel Engines Up to 16-Liters. It features a patented safety technology that provides spark-proof connections and reverse polarity protection making safe and easy use for any battery. It's a powerful battery booster that doubles as a portable power source for recharging USB devices, like a smartphone, tablet, and more.

Product Features:

• The Boost Max Series - Introducing our most powerful lithium jump starters yet. Designed for the largest, most challenging engine starts ever. With over 5250-amps of starting power, it can jump start gasoline and diesel engines up to 16-liters.
• Ultra Safe - Safe and easy to use battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection.
• Commercial Grade - It's commercial in every way. It jump starts almost every type of vehicle and equipment, including semi-trucks (up to class 8), motorhomes, coaches, buses, mining, agricultural, construction, and vocational equipment - 6, 8, 12, and 16 cylinder - and more. Plus, an integrated digital battery voltmeter for enhanced diagnostics.
• Beyond Portable - Jump starters this powerful typically are enormous and weigh hundreds of pounds, but our high discharge lithium technology makes it the most compact and lightweight design in the world - weighing a mere 15-pounds. And its portable carrying case makes jump starting more convenient than ever.
• Multi-Functional - It's not just a lithium jump starter but also a portable power bank for recharging smartphones, tablets, and other USB devices, with an ultra-bright 600-lumen LED flashlight with seven light modes, including emergency strobe and SOS.
• What You Get - GB250 12V Ultra Safe Lithium Jump Starter Pack and Power Bank, XGC4 56W Power Adapter with Interchangeable 60-inch (1.5m) AC Cords - Australia (Type I), Europe (Type C), North America (Type A), United Kingdom (Type G) - XGC Kit, Max Protect