Sell your solar energy to the utility or store it in a battery for later use. The choice is yours with a hybrid solar setup. The independence of having a solar panel system is liberating. Imagine ...

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 ...

Solar energy is an attractive energy source for powering portable devices. For some time, it has been widely used in applications like calculators and spacecraft. More recently, solar power is being ...

It’s always a good idea to have a source of emergency power in case the lights go out. And if you camp, or spend time outdoors away from electrical outlets, a portable power source makes life a lot ...

This is the most simple and affordable solar battery charger that the hobbyist can make. It has a few drawbacks over other similar controls, but offers numerous advantages. It is intended for charging ...

For years, the standard 12V cigarette lighter socket has been the persistent bottleneck of mobile travel, often taking over 10 hours to charge a 1kWh battery. Traditional setups also forced a ...

Just months ago, the innovative team at Grouphug revealed the adorable Solar Cat that made the world go “Aww.” Now, the New-York based tech company has just released a very practical Window Solar ...

“This is a great power bank for when you’re not in your car or out of the house.” There’s never been an easier way to make sure your devices are fully charged in case of an emergency or to give you ...