My MacBook Pro, mid-2009, original battery:
Temperature = 2982
CycleCount = 591
DesignCycleCount9C = 1000
DesignCapacity = 5450
MaxCapacity = 4814
WearRatio = 88%
CurrentCapacity = 1514
ChargeRatio = 31%
Voltage = 11077
Amperage = -694
InstantAmperage = -661
InstantTimeToEmpty = 2:17
TimeRemaining = 2:11
AvgTimeToEmpty = 2:11
FullToEmptyTime = 6:56
(this is from a python script of mine [0])Close to three years of daily, heavy use. The thing just doesn't want to die (crossing fingers).