Whether you often camp off the grid, go backpacking, or grapple with power outages, a solar charger is a nifty gadget to have ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." These portable gadgets marry solar panels with battery packs—they’re small and lightweight enough to not ...

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. If the thought of your ...