Running out of juice for your mobile device has to be one of the biggest problems that smartphone and tablet users face during their day. Now, a California teen has come up with a way to save you from a dead phone in just 20 seconds flat.

Eesha Khare, an 18-year-old high school student has put her impressive chemistry knowledge to work by inventing an energy storage device that can charge a cell phone in 20 to 30 seconds, NBC News reports.

http://ca.news.yahoo.com/blogs/right-click/battery-invented-teen-could-charge-cellphone-seconds-172544843.html?vp=1