Originally Posted by
yourboyblue
I'm using a very similar setup, with an iPhone 4s, currently 3 months into a 7 month tour around the US and heartily recommend it. The external battery pack can keep the phone going for a week or more if you're judicious about using airplane mode.
Maplets - download public maps onto your phone, from State/Nat'l Parks to city bike maps.
This is very useful info, thanks. BTW by maplets do you mean pdfs? or some other file? Some of the city maps I downloaded were all pdf files...