Quote Originally Posted by derbo View Post
I believe its your USB charger. It needs to be 1A and above. USB is only rated at 500mA but since the iphone came around, every phone needs at minimal 1A charger to be used and charged at the same time.

Rovert has the right idea. I think I might move my AUX to the glove now and do the same.
I have a USB port on mine that is rated at 2.1A. I can put on my phone with GPS, plug in the power, and STILL have it discharge.