If you are heading out for your adventure trip you might want to take the Voicelink FR 1000. Meant for the harsh rough outdoors this radio unit has various power options like Dyanamo crank.
AA batteries and an AC adapter to power its AM/FM, 2 way GMRS, weather radios, cell phone charger, sirens and flashlight making it a must have for your outdoor activities. Replace a bag full of other gadgets with this self powered crank radio. If Bear Grylls was a gadget this would surely be it.