For a limited time, you’ll be able to buy the Solpowben 20,000mAh Solar Charger for only $20 at Walmart. Usually, this UV-powered power bank sells for $50. We don’t see a lot of Walmart deals ...

In optimal conditions, a solar panel phone charger rated at 5,000 mAh should be able to fully charge most phones. You ...

Solar battery chargers ... Many of these products are meant for use with small devices like phones, laptops, and speakers. Some of the higher-wattage models can help keep a portable power station ...

Free from the tethers of an outlet, portable external chargers are a game-changer. Simply load them up and pop them in your bag before you set off for the day, on your travels or anytime you think ...

Rich Scherr is a seasoned journalist and editor who has traveled across the U.S., Canada, and Europe, and spent more than a decade reviewing hotel room.

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.

The design is now mature, and the High Efficiency MPPT Solar Charger is full of features like data logging, boasts a 97% efficiency over a range of 1 to 75 Watts, and can be used as a standalone ...

We've curated picks for some of the best portable chargers around, so you can ensure you have ample juice, no matter the ...

These solar-powered portable power stations keep your batteries full during power outages and off-grid campouts.

Solar battery chargers address these issues by keeping your car battery topped up with a steady supply of free and environmentally friendly energy. But do they work and which solar charger is the ...

While solar-powered cars have a long road ahead of ... cruise control, hands-free cell phones, and voice activation, the battery drain on new cars will become more of an issue for major automotive ...

The other side: A startup called Gravity, which is also trying to solve urban charging, thinks the better way to go is a ...