The Morning After: Does Samsung have another phone-battery problem?

A few years ago, Samsung faced major battery problems when several faulty Galaxy Note 7 phones had their batteries explode. The devices were recalled, and the company spent much of the following years outlining all the rigorous battery testing it conducted to ensure it didn’t happen again.

Now, YouTuber Mrwhosetheboss and others have noticed that the batteries in Samsung phones swell disproportionately. This usually affects older devices, but some are only a few years old – for example the Galaxy Z Fold 2 from 2020.

Samsung hasn’t officially responded yet, but battery swelling isn’t a new problem, nor is it one unique to Galaxy phones. As lithium batteries age, their increasingly faulty chemical reactions can create gas that inflates battery cells. Many companies suggest that you keep device batteries charged to around 50 percent if you won’t be using them for an extended period of time.

– Mat Smith

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