Fitbit’s got a battery problem

Last month, Fitbit Versa 3 and Sense owners started getting notifications to download a mandatory firmware update. The problem? Overheating batteries. In an official consumer notice, Google (which owns Fitbit) notes that the firmware update would “reduce the risk of battery overheating and reduce battery capacity.” Affected users, of which Google says there is a…

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How keep your laptop’s battery in good health

The rechargeable lithium-ion batteries that power most of our laptops may be the most practical battery tech we have right now, but they naturally degrade over time as their ions flow back and forth — it’s an inevitable consequence of the way they’re built and the way they work. Eventually, the batteries can’t hold as…

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