I have been researching and starting to track an issue that has come to my attention regarding the replacement batteries that Powerbook G4 15″ users received after the Replacement Program went into effect. I have recently acquired a 2.5 year old Powerbook G4 15″ that has a replacement battery. The battery, received earlier this year through the Replacement Program, is Dead.
While the System Profiler does show that it is present, it will not charge. Also, after resetting the PMU (Power Management Unit) by following the instructions here, there was no change to the battery’s charging state. Zapping PRam had no effect either. The battery will simply not charge. If this battery were a few years old, I would not be surprised, however, it is not. It is less than a year old. I replaced it with a non-recalled battery from another G4 Powerbook and did not experience any issues, thus removing issues with the PowerBook itself from the equation.
YOUR HELP NEEDED: Please read through this and post your battery information in the comments area. Perhaps if enough readers respond, Apple will Recall the Recall-Replacement batteries.
Also, reading through various Apple Support threads (here) seems to point out some things in common (while discounting others).
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