I've been having problems with my stock wall charger in that halfway through charging, I get a message on my screen that says the charger I have plugged in is not compatible, and to unplug it to prevent further damage. It doesn't do this every time, but often enough that it won't charger overnight at times and I wake up to an almost dead battery. I also purchased the Verizon car charger. That I have no problems with, so I'm thinking that rules out charger port issues. Hoping, at least. If I were to go to Best Buy or something, could I buy just the USB cable for the charger and if so, what kind of cable do I buy? I want to make sure it's not the phone. Thanks!