Join Date: Feb 2000
Location: Menlo Park, CA, USA
Programs: UA 1MM 0P, AA, DL, *wood, Lifetime FPC Plat., IHG, HHD
Posts: 7,176
I simply use an external case/battery when travelling. I have used the mophie, boost case and some chinese others. The boostcase is just fine and can be found for about 30-50$ depending, even on ebay. Just search for boost case. Will double the iphone battery life.