The correct way to use your MacBook’s battery

Recently a battery completely failed in a two-year old black 2.16GHz MacBook that was covered under AppleCare. It worked fine one day, went completely dead the next. It wouldn’t charge and no LEDs would light up. When I brought it into the genius bar at my local Apple Store I learned something interesting about the way Apple treats batteries covered under warranty.

The first thing that the tech did was run a diagnostic application on the battery from a bootable iPod nano (pictured). The application graphed the gradual decay of the battery over time and the little black dot could fall into one of two buckets: defective or consumed (not the exact terms, but you get the idea). Luckily, the little black dot on my battery fell into the defective area and was replaced.

Full Story Via ZDNet.com

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