Compact and versatile, the Etón FR500 Solarlink ($78) is a must-have while tackling the great outdoors. Built with solar panels and a hand crank, this rugged, multifunction device offers full-time power even while off the grid. The Etón FR500 Solarlink features an internal rechargeable NiMH battery, AM/FM shortwave radio with NOAA weather band, emergency light, mobile phone and portable device charger, emergency siren and a 12-hour digital clock with alarm.