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 ...

An curved arrow pointing right. Saule Technologies has created a prototype for a thin, flexible solar panel. The translucent material can charge cellphones and might even replace roof-mounted ...

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 ...

"People every day without power sources have a device that needs charged," said an inventor, from Orlando, Fla. "My Octopus ...

The nation’s high mobile penetration and low electrification rate created an opportunity for companies to promote personal-scale installations called pico-solar to charge phones and smaller ...