I have a nexus one that while charging in the car and using navigation it would overheat and would not keep up either. Turned out to be a faulty battery and was

I have a nexus one that while charging in the car and using navigation it would overheat and would not keep up either. Turned out to be a faulty battery and was just fine with any other battery. I have not had much chance to test this on my GSM galaxy nexus but I have not noticed this problem so far.