I only ask because the bulging seems slight enough that I’m not 100% certain that’s not just how the battery is supposed to look.

This is inside a Lenovo ideapad flex 4. I only opened it to replace the hard drive.

  • TragicNotCute
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    911 months ago

    It’s not a concern until it is. Are you OK with it starting a difficult to extinguish fire in its current location? If not, you might want to get rid of it.