This human powered cell phone charger is a great example ... the generated energy can be transferred through the battery terminals to a connected device. So, he cut a USB charger cable in ...

No one likes a dying phone battery, but thankfully, you’ve got options. Here are some of the latest gadgets to keep you ...

[Barry] sent us a tip about a video from [electronupdate], describing an experimental cell phone charger. It’s a familiar issue: Your cell phone battery ... capacitors to power a typical usb ...