[bjhill2112]

Just want to clarify how batteries work for people.

Generally speaking, LI-ION batteries operate within a charge of 3-4.2V. There should be some circuitry in the battery itself that prevents it from discharging below 3V and over 4.2V. If the battery goes much under 3V then it tends to to be able to hold a charge again. If it goes much over 5V then it tends to explode... literally.

When fully charged your battery should be producing about 4.2V of power. As you use it, the voltage produced by the battery starts to go down. As it reaches the 3V range it will shut itself off. When charging, you are forcing a higher voltage into the battery (5V) that causes the flow of electrons in the battery to reverse. The battery should shut itself off at around 4.2V.

The kicker here is the battery drivers in the phone. Not only does the battery have it's own controls, but the battery drivers do also. This "overcharging" would only work if the drivers were flawed in such a way that it either prematurely stops charging or doesn't restart charging when the voltage starts to dip back down when plugged in.