05-07-2008, 02:19 AM
Identifying an affected battery
Affected batteries will have one or more of the following symptoms:
* Battery is not recognized causing an “X” to appear in the battery icon in the Finder menu bar.
* Battery will not charge when computer is plugged into AC power.
* Battery exhibits low charge capacity/runtime when using a fully charged battery with a battery cycle count (as shown in System Profiler) of less than 300.
* Battery pack is visibly deformed.
http://www.apple.com/support/macbook_mac...eryupdate/