How long does your iphone take to charge?
When your iphone is at 10% battery remaining, how long does it take to charge?
When your iphone is at 20% battery remaining, how long does it take to charge?
When your iphone is at 50% battery remaining, how long does it take to charge?
(Assuming that you charge the phone when the phone is off using the Apple USB cable or dock through a wall power outlet)
Windows XP Pro