GB250+: 5250A Lithium Power Jump Starter 12V


The Boost Max Series 12v – Introducing our most powerful lithium jump starters yet. Designed for the largest, most challenging engine starts ever. With 5250 amps of starting power, it can jump start gasoline and diesel engines up to 16 liters.

1 in stock (can be backordered)


UltraSafe – 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 UltraSafe 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 Protection EVA Case, and 1-Year Limited Warranty.

Additional information

Weight 22 lbs
Dimensions 19 × 14 × 11 in