Fully solar-powered handheld gadgets have so far mostly been limited to ultra-low power devices like clocks, thermometers and calculators. Anything more complicated than that will generally have a ...

You don’t need to tell me the benefits of solar power. A couple of years ago my roof panels generated enough electricity in one month that I didn’t have to pay my energy bill for the rest of ...

New tech at Mobile World Congress could let you charge your phone when it's out in the sun or even under room lights. David Lumb is a mobile reporter covering how on-the-go gadgets like phones ...

Infinix has showcased two concept devices at Mobile World Congress (MWC) 2025. A solar-powered smartphone and a color-changing E Ink phone. While still in the prototype phase, both concepts ...