There are lots of great resources on how solar panels generate electricity including Wikipedia so we’re going to focus here on measuring the Open Circuit Voltage and Short Circuit Current of a solar ...

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 ...

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 ...

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 ...

Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. The dark side of owning a car jump starter? Its battery can die ...

Portable solar chargers give you the freedom to power up your devices just about anywhere. The best portable solar chargers are small or foldable, and have the right wattage for your charging needs.

MyBroadband tested two solar smartphone chargers, and the results showed that it is a viable option when you do not have electricity or a power bank. South Africa’s unstable electricity supply and ...