TechTool is reporting a battery fail, but my MacBook Air (2012) is working fine and still will get several hours of battery life on a charge. What's it really telling me? Do I need to go out and get a battery and replace it even though it seems to have plenty of life left? If not, can I change the threshold that provoke the battery test fail warning? I'm getting those warnings a couple of times a day and they're annoying if I don't really have to change the battery right now. Thanks!
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