NPR: your cell phone is running out of juice, you've left your charger at home, you're expecting a crucial call, and no one in the office has a charger that fits your phone. In Europe, that soon ...

Cheapie wall-wart phone chargers output 5V nominal, but the actual voltage varies wildly, going as far high as six volts and usually stabilizing between 5 and 5.5 volts while under load.

He concluded that phone chargers consume less than 0.5W when left plugged in—the total power consumption of the average Brit is 5000W. (Including car driving, home heating, and so forth, not ...

56 thoughts on “ Supercap-Based Cell Phone Charger ” John says: November 2, 2013 at 4:32 pm Really? 120v Supercaps? Report comment. Reply. Dax says: November 3, 2013 at 11:39 am There ...

Major phone makers and mobile operators have agreed to adopt a single interface for handset chargers, the GSM Association announced on Tuesday. By 2012, more than half of new handsets shipped will ...