I've been having troubles with my MBP (2.33 Ghz C2D) battery lately. A few months back, on advice from this forum, I recalibrated my battery according to Apple's instructions a few times. Since then, I set up the MBP more as a desktop with an Apple 20" Cinema display, ethernet, and a USB 2 hub. Because of that, I've not been able to religiously calibrate the battery. Anyway, about a month ago, I noticed that I'd get extremely short life on battery. Like 30-40 minutes. And I would not get the battery warning. The battery monitor would indicate between 25 and 35 minutes left, and it would just shut off. Not sleep, completely shut down. What's really interesting is that as I sit here now, System Profiler shows: Code: Charge Information: Charge remaining (mAh): 347 Fully charged: Yes Charging: No Full charge capacity (mAh): 347 Health Information: Cycle count: 25 Condition: Check battery Battery Installed: Yes Amperage (mA): 0 Voltage (mV): 12475 Obviously, the 347 mAh is wrong, so something is bad. The cycle count is interesting, because the count was nearly 40 last time I recall looking at it. Is there any way I can "repair" the battery's corrupted information, or is this a call to Apple Care (thank goodness I bought that...)? Will zapping the PRAM help at all? Hoping someone knows!