How to check your laptop’s battery health

Found 13 days ago at PC World

Battery life is an often vague and nebulous concept. In theory, it can be represented by a single number but, in practice, literally hundreds of factors can shorten or lengthen endurance. That’s frustrating if you’re trying to gauge the battery life and health of your notebook, especially if you’re trying to determine if it’s time to buy a new laptop . Windows has a secret...

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