Portable 12v Jump Starter Power Bank

     The Gkfly portable multifunction Jump Starter Power Bank is the ideal tool you need when there is no jumper cable around or another vehicle around to jump-start your car when you have a low or dead battery. This Jump Starter Power Bank has four built-in batteries with a capacity from 8,000mAH to 10,000mAH with a conversion rate at >90%. The boot voltage of 12V with a boot current of 300A and a peak current of 600A and has over 3,000 charging cycle’s life spans. The charging time is 3 to 4 hours, and the operating temperatures are from -25⁰C to 64⁰C. (about -13⁰F to 147.2⁰F) It is great for starting both 12V gasoline and diesel engines. This little Jump Starter Power Bank is a great traveling companion. This unit has two charging modes, which are CC 12.6V at 1A and CA 12.6V at 1A. However, this Jump Starter Power Bank is not just for your vehicle it has USB ports for charging or to be used as an external power supply for mobile devises like smartphones, tablet, lights, laptops a