The 8 best solar battery chargers for your car, phone, boat, RV, and more! Many of the devices that we depend on throughout the day run on batteries and it’s never fun when those batteries run down. A ...

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 ...

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 ...

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 ...

A portable solar panel charger is a must-have for any tech-loving adventurer. Whether it’s phones, cameras, or GPS trackers, hikers and nomads are increasingly finding themselves in need of power on ...

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 ...

Editor's note: An update made on January 18, 2023, on charger performance and availability three years after this story's original airing, follows the main story. When outlets are nowhere in sight, a ...

When you’re camping, backpacking, taking long day hikes, or simply sitting around your fire pit in the backyard, the closest outlet is likely farther away than your power cable can stretch. Pack a ...

Here is the simple circuit to charge 6 V, 4.5 Ah rechargeable Lead-acid battery from the solar panel. This is a simple solar battery charger circuit designed using LM317 voltage regulator and is used ...

Summer is here, and with it comes glorious sunshine. As well as keeping your vitamin D levels topped up, the sun can be a free source of off-grid power for your gadgets, alongside the more traditional ...

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 ...