To eliminate this, in many cars "100% battery" isn't really 100%, so that users can't accidentally "mis-charge" in a way that deliberately degrades the pack. F

To eliminate this, in many cars "100% battery" isn't really 100%, so that users can't accidentally "mis-charge" in a way that deliberately degrades the pack. For example, a Chevy Volt has a 16.5kWh battery, but a "100% full" Volt charge only uses 10.4kWh of that.