A few years ago, [Lukas Fässler] needed a solar ... the power generated from things like solar panels varies under different conditions and loads. An MPPT (Maximum Point Power Tracking) charger ...

You can harness the power of the sun's rays to charge your electric vehicle. Here's how many solar panels you'll need to do ...

Portable chargers are a necessity for how often we use our phones these days. Those need to be charged too, though, and vary wildly in how long they last. The solution? Solar power. SEE ALSO ...

“This Solar Charging Kit plugs directly into your bike,” the company explained, “letting you recharge without needing an outlet, but with a speed comparable to the charger ... Power on the ...

A solar panel array may look passive and innocent, but it's generating enough electricity to power a home, and all it takes is one crossed wire to spark another fire. "DIY solar panels" can refer ...

These solar power banks come in five colors, and all are currently on sale. The battery in this charger is a 20,000 mAh lithium-ion model, enough to charge an iPhone four to five times ...