There are a lot of things I carry around with me, but one thing I’ve found especially helpful is a solar charger that juices my phone when there are no outlets in sight. That’s why I’ve been ...

Read more: Battery Brands Ranked From Worst To Best To understand how a solar panel phone charger works, you really just need to know what a solar panel and a power bank are. The former ...

A few years ago, [Lukas Fässler] needed a solar charge controller and made his own, which he has been improving ever since. The design is now mature, and the High Efficiency MPPT Solar Charger ...

Secure the Charger: Place the solar charger on a flat, stable surface to prevent movement during testing. Raising the solar charger off the ground reduces obstruction and improves energy efficiency.

But Infinix is pitching something else: solar power in the phone itself to charge its battery when users are out in the sun. At the show, Infinix demonstrated its SolarEnergy-Reserving technology ...

That’s just like it sounds. It’s a phone with a panel made up of small solar cells on the back that can charge via sunlight. Solar charging tech has been around for a while, but it’s never ...