I got a new battery for my 12" iBook G4 a couple of years ago and it worked perfectly. Then, a couple of months ago, I turned off my computer when the battery was at 23% and when I turned it back on, the battery refused to charge above 23%. I've left the computer plugged in (but turned off) and the battery didn't charge. This week, I tried leaving the computer plugged in and turned on for 10 days, and the battery charge indicator has slowly crept up to 28%. When I have the AC adapter plugged in, the ring is always green and the message in the battery indicator reads "Battery is not charging."
I tried resetting the PMU but that didn't help.
Does anybody have suggestions for what might be wrong?
Here is my system power settings information:
Battery Information:
Charge Information:
Charge remaining (mAh): 1055
Charging: No
Full charge capacity (mAh): 3805
Health Information:
Cycle count: 93
Condition: Good
Battery Installed: Yes
Amperage (mA): 0
Voltage (mV): 11630
System Power Settings:
AC Power:
System Sleep Timer (Minutes): 60
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 15
Dynamic Power Step: Yes
Reduce Processor Speed: No
Automatic Restart On Power Loss: No
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: Yes
Wake On Modem Ring: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 5
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 1
Dynamic Power Step: No
Reduce Processor Speed: Yes
Automatic Restart On Power Loss: No
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On Modem Ring: No
Display Sleep Uses Dim: Yes
Reduce Brightness: Yes
Hardware Configuration:
Clamshell Closed: No
UPS Installed: No
AC Charger Information:
AC Charger (Watts): 50
Connected: Yes
Charging: No
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