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 panels and solar battery chargers are easy-to-use devices that provide backup power to anyone who happens to be away from a working power outlet, including hikers, car campers, and even ...

Solar or photovoltaic panels comprise multiplesolar cells that connect in series. An idealsolar cell appears as a current source thatconnects in parallel with a rectifying diode.The photovoltaic ...

With 20 watts of solar panels, a 16Ah lithium-ion battery bank, and an onboard inverter, along with multiple charging ports, this compact solar generator is a great off-grid accessory. Last month, I ...

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 ...

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. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Sarah Witman Sarah Witman ...

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 ...

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 ...

We may receive a commission on purchases made from links. Imagine having the power of the sun in the palm of your hand. In this age of tech moving toward sustainable energy, that's increasingly ...