Power!?

A couple questions:

What electro-gadgets are you planning to bring?  I'd like to bring a Garmin (maps, routing, recording for posterity) and my android phone (maps, routing).  My experience shoes I can charge both each day from a 2000mah usb battery.  Sounds like at least a couple other people are planning to bring Garmins.  What are you bringing?

How are you planning to power your electro-gadgets?  There might be power in the town of Gateway (evening of day 5).  Otherwise, it seems we'll be off-grid.

Powering Options:

1. We don't need no stinking gadgets!  Paper FTW!
   
2. Solar charger + USB battery
   
3. Dyno hub + USB battery
   
4. Huge USB battery that'll last all week
   

I currently only own a couple small USB batteries, which would work for me for a couple days, but I don't want to carry four of them!