The other day I downloaded the freeware battery diagnostic program CoconutBattery and on a whim ran it against the battery in my 18-month-old MacBook Pro, and low and behold it says that the battery only has 27% of its previous charging capacity remaining. This helps explain why I can only run the machine for 30 minutes or so on battery power before it suddenly shuts down. I thought there could be a problem with the power manager on my machine, but the issue persisted even after resetting the PMU. So, it looks like I am in the market for a new battery and I need to recycle my current battery. The options - Apple's battery or a supposed higher capacity battery that is available through FastMac. I'm pondering... UPDATE: The battery now shows 23% of its capacity remaining. Methinks the battery is in a rapid failure. Meanwhile, the price difference between the battery options: Apple battery = $129 from Apple, $109 from Amazon True Power battery from FastMac = $99.95

	Read more at MacNetJournal
	www.whiterabbits.com/MacNetJournal/#note_3794