Is your battery running out at the Park? We recommend this charger, it charge your phone 6-8 times (full charges), it is amazing http://amzn.to/vEV5VF (MW benefits if you purchase)
What's the first thing you like to do at WDW after you've checked in to your hotel room, dropped off your bags, etc? We always say we're going to relax at DD, but when we get there, we're too excited. We rush off to a park instead!