I have a 15" 867 TiBook and the battery has been acting wierd lately. When it is charged it will last for a while but sometimes it just randomly dies when its not being used even though its fully charged. I checked it with coconut battey but the stats seemed odd. Is the battery on its way out?
, Li-Ion batteries do not last that long :-(. If the number of loadcycles is correct, I doubt it, 4200 cycles... more tahn 10 years at 1 cycle per day... sounds a bit off. Probably the only right number there is the age