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 ...

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 ...

Portable battery packs are good and dandy if you have a place to recharge it once you’ve depleted it, but what about those times you’re going off-grid and need some extra juice? Our Secur Ultimate ...

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 ...

Acceptance, technology and marketing combine to make solar-powered devices extremely viable. And they’re also available for so many applications and the PulseTech Solar Pulse SP-5 is one of these.

Solar panels have become a popular way to charge devices on the go, whether hiking, mountain biking, or just spending time outdoors. But depending on the region you’re in, relying solely on the sun ...

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 ...

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 ...

If there’s one thing I love as much as playing with batteries, it’s charging them up from the sun. And when it comes to my electric bikes, which are kind of outdoor toys by definition, being able to ...

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 ...