At 17:13 -0500 4/2/05, T.L. Miller wrote: >Over a year ago, someone posted this guidance to check on PB batteries > > and run the following command > > " ioreg -l | grep -i IOBatteryInfo" >I got the following in Terminal on my 12" G4 PB. Does this indicate that >its battery is getting tired? > >"IOBatteryInfo" = "Capacity"=3757," For your reference, I ran this command with my old battery and my relatively new battery for my 15" Al-book: old 2029 new 4032 If the numbers can be compared across 'Books, then it suggests that your battery is not at peak performance, but not far off (10%). My 'old' battery, even with this 2029 performance, is still useable. Tired, but not kaput. Trevor