For the record, I'm running a Lenovo T420i with a 6 cell battery. In the past I've been told that it's bad practice to run a laptop on AC with the battery installed because it would cause reduced battery capacity. This raises two questions. First, is it true that laptop batteries don't have overcharge protection, and second, how many cycles is a battery like mine good for? -- Bob Holtzman If you think you're getting free lunch, check the price of the beer. Key ID: 8D549279
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