Another look from the bottom side.

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.

Dell tablet we recently removed from service at work due to going spicy...4 years on the charger. The tablet was mounted to the wall and used as a punch clock. More pictures: https://imgur.com/a/w8PKSKP

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