The battery was delivered quickly and was easily insert. Unfortunately, he does not seamlessly from the iBook case, which looks pretty goofy looking from the front, and to take special care when using the computer gives rise. For gibts nen half star deduction. Another half a star I pull from for battery life: The Apple batteries were always with me at eight hours of battery provides for continuous use 4 hours.
Caution: Be sure to follow the directions! The battery must be charged at a certain percentage residual power, even if the computer has not been automatically went into hibernation. Otherwise you hear "click" and the computer is off, and any unsaved data are flutes.