I recently got a new droid phone (razr) and moved my old phone - a Droid X - onto my husband's number to let him try out a golf gps app. He loves the app but the battery was gone after 7 holes. He is due for a new phone in August so my question is, has anyone found a phone that will last through a round of golf using a golf gps app? I'm wondering about getting him the razr maxx since they advertise that battery as being very long - lasting. Thoughts, suggestions? Thanks!