Meet the Renogy Phoenix: a solar powered generator in form of a briefcase that can power your favorite devices on the go. It comes with Renogy 10 Watt Monocrystalline Solar Panels and can be expanded to 120 watts. You get a replaceable 16Ah battery and can charge the briefcase using the sun, a 120v outlet, and an automobile 12v lighter.
The waterproof Phoenix Briefcase has a LCD panel to show remaining power and usage. Its 150 watt USB and AC/DC outputs can accommodate a wide variety of devices and appliances. Costs under $599 at this time.