The Junojumper defintely takes the prize for one of the more useful tech gadgets out there. It’s a pretty simple concept – you connect the device (about the size of a smartphone) to your car battery using mini jumper cables, let it charge for a moment then start the car! Handy to keep in your car for ease of use and safety. Learn more here and/or check out the video below.
Junojumper: Smartphone sized battery jumper.
