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 is full ...

If you’re planning to do your bit to save the planet by turning to solar energy, then you need a handy solar charge controller to ensure proper use. Such controllers deliver the power from the PV ...

Pairing solar panels with energy storage is becoming increasingly popular -- and for good reason. Homeowners who install a battery alongside their rooftop solar array unlock the ability to store solar ...

The Solar Joos Orange is a portable solar battery charger. It’s designed to charge cell phones, tablets, GPS units, MP3 players, digital cameras and more. It’s a very rugged unit with a polycarbonate ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Sarah Witman Sarah Witman is a writer focused on batteries and charging ...

Extra batteries and portable power banks are great for keeping your electronic devices charged and operating when you’re off the grid, but they won’t last forever. Portable solar chargers don’t have ...

A solar charge controller is a device found in a photovoltaic (PV) energy system that controls the amount of power that can be transmitted to an electric storage battery. By controlling the charge ...

David Kuchta, Ph.D. has 10 years of experience in gardening and has read widely in environmental history and the energy transition. An environmental activist since the 1970s, he is also a historian, ...

Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation, technology, and food. She is the author of "The Ethiopian Wolf: Hope at the Edge of Extinction." The craftster behind ...

I also independently weighed and measured the solar chargers for both their packed size and open size. Testing the power potential of the best solar chargers under cloudy skies. Laura Lancaster In ...

Observers note that recognition as a top solar charge controller manufacturer is no longer driven by visibility or scale alone. Instead, it reflects sustained performance under real-world conditions, ...