The Car Jump 50800 Portable Jumper Starter is a compact, multi-functional device designed to jump-start 12V car batteries. It has a large 50,800 mAh battery and provides up to 600A of peak current. In addition to jump-starting vehicles, it works as a power bank to charge phones, tablets, laptops, and more through its USB and DC output ports. Lightweight and easy to store, it’s a reliable tool for roadside emergencies and everyday charging needs.