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 ...

Here is another useful USB gadget, the 4-Port USB Hub with Solar Charger. The 4-Port USB Hub with Solar Charger is a versatile and eco-friendly device that combines functionality with sustainability.

Solar chargers are convenient for camping and hiking, but you can use them to charge your gadgets for free at home, too. Solar chargers have come a long way in the last few years. Once little more ...

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 ...

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 Bluetti Charger 2 is the company's latest charger for van life, RVs and digital nomads. I took a look at CES 2026.

Solar phone chargers are portable power banks with USB-A or USB-C outlets that can be used to charge your phone or other devices on the go with solar energy. These machines are popular with outdoor ...

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 ...

Clean energy company BLUETTI introduced Charger 2, a new smart charging system aimed at ...

Solar window chargers have several advantages when compared with other charger types. You can stick this DIY solar window charger to the inside of a glass window with the solar panel facing out and ...

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, ...