Originally posted by chinook907: I have a 14w folding solar panel set up coming from Anker, maybe the same as Tims. And a 10000mAh battery. The battery will charge my smartphone a couple times per charge, and the panels charge the battery.I'll have a 3 day trip to work the kinks out and then a 2 week trip. I'll play with in town also.I'll be out of cell coverage but want to use a gps app for finding camp in the dark or fog, and seeing the terrain around me.