The Emergency Power Box Jump Starter 30000mAh is a versatile 3-in-1 device designed for vehicles and mobile devices. With a powerful 30,000mAh lithium battery, it can jump-start trucks, cars, yachts, and more up to 60+ times per charge. It also serves as a power bank (5V/2.4A output) and features a 160LM LED lamp. The package includes jump-start clamps, a 3-in-1 USB connector, DC car adapter, and a portable cover box for easy storage and on-the-go use. Perfect for emergencies and outdoor adventures.