No it's not.
I want to conect to iTunes to sync music, but not charge cause by charging when the battery is not fully drain you're ruining your battery.
No it's not.
I want to conect to iTunes to sync music, but not charge cause by charging when the battery is not fully drain you're ruining your battery.
This is not accurate. In fact the opposite is true. While you should occasionally discharge the battery completely, you are better off not doing a full discharge every time.