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I suspect that unscrupulous dealers buy used Lithium-ion batteries, reset or replace the circuitry so that the capacity and charge cycle count are as-new, and then resell the batteries as new. How can I collect evidence for or against this hypothesis?
posted by beniamino on Oct 3, 2012 - 6 answers

Is this laptop battery a ripoff, and how can I be sure? I bought a third party battery for my Macbook. It looks like the original 45Wh battery, but Coconut Battery (and the appropriate ioreg command) report the 'design capacity' as lower than it should be. [more inside]
posted by beniamino on Apr 27, 2011 - 10 answers