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 ...

[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 ...

Swippitt is a unique solution to the problem of keeping your phone battery charged up, and it promises a life where you basically never have to plug your phone into a charger again. But it’ll ...

Forget charging your phone. This viral "phone toaster" revealed at CES 2025 is promising to bring the days of low battery warnings ... on the best portable chargers and power banks instead.