The following page has been on Apple's website for months. They updated it to include the links to the iPhone, but otherwise, this information has been available for a long time.
"Charge Cycles A properly maintained iPhone battery is designed to retain up to 80% of its original capacity at 400 full charge and discharge cycles. You may choose to replace your battery when it no longer holds sufficient charge to meet your needs."
Reader Comments (Page 1 of 1)
lah @ Aug 17th 2007 1:56PM
The following page has been on Apple's website for months. They updated it to include the links to the iPhone, but otherwise, this information has been available for a long time.
http://www.apple.com/batteries/
http://www.apple.com/batteries/iphone.html
"Charge Cycles
A properly maintained iPhone battery is designed to retain up to 80% of its original capacity at 400 full charge and discharge cycles. You may choose to replace your battery when it no longer holds sufficient charge to meet your needs."