A solar charger can keep you connected when exploring the great outdoors or during power outages. These chargers come highly ...

A few years ago, [Lukas Fässler] needed a solar charge controller and made his own, which he has been improving ever since. The design is now mature, and the High Efficiency MPPT Solar Charger ...

Pack a solar charger for the trip and suddenly you’ve got the world back at your fingertips. These portable gadgets marry solar panels with battery packs—they’re small and lightweight enough ...