Jumper Card has its own battery and is about the size of a credit card. Whenever you need an extra boost for your phone, just pull it out and start charging. It can actually add an extra 45-60 minutes of talk to your phone. To see how to charge Jumper Card for next time use, be sure to watch the video. With a small contribution, you can have one of your very own. As an added bonus, it includes a LED flashlight that is sure to come handy in dark places. Pretty convenient, don’t you think? Jumper Card – Emergency Battery Charger | Indiegogo
