New tech at Mobile World Congress could let you charge your phone when it's out in the sun or even under room lights.

and is intended to pad out a phone’s reserved charge while it’s not in use. The phone with built-in solar panel on the back is pretty self-explanatory, but I think the case is more interesting.

As MWC 2025 wraps up, it’s clear that modular designs, AI integration, and wearable innovation are driving the industry ...

Infinix is back with a new smartphone concept that features a rear solar panel, which it unveiled at MWC 2025.

When you need to juice up your phone ... ultra-thin Solar Paper is, according to creator Yolk, the most efficient solar panel on the consumer market. It apparently can fully charge an iPhone ...

You know, the device you would usually bring with you to charge up your phone and earbuds ... on the EcoFlow Power Hat is nearly one big solar panel It’s not entirely one big panel, but rather ...

The jacket, which Anker Solix calls a cloak, is covered in about two dozen sewn-on solar cells made from perovskite ... into your device, so you can charge your electronics as you walk around ...