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 ...

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 ...

Best solar investments for your home. 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.

I've tested and reviewed tech, pet, fitness and home gear for decades. Solar chargers are convenient for camping and hiking, but you can use them to charge your gadgets for free at home, too. Solar ...

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 ...

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.

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With endless summer days still aplenty, there’s no better time to invest in a solar charger for all your gadgets. However, Joshua Zimmerman of the DIY site Instructables doesn’t think you need to ...

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, ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? In addition to price, there are a number of things you’ll want to consider when ...