Well we picked up the Airstream from Paramount RV in Reno NV, they installed our new solar system.  We added:
2- 200 watt solar panels
2-AGM 120 amp hour batteries
300 wat solar inverter
Solar converter
remote sensor controller 
and a plug-in to add portable panels

Death Valley here we come!  Planning on staying at Bailey's Hot spring in Beaty NV, then dropping into the valley on the 1st.  With this system we should be able to keep the camera,iPad, iPod and phone charged.  When did it start to be so complicated to travel.  The Kindles hold a charge for weeks, so they are not the problem.  Excited to try the new system out and see how everything works.  We have a lot of dry camping planed this year.