That's obviously a dud cell. Contact support if it's not several years old.

Had a tangential issue with an Anker power bank (screen was sometimes showing bogus charge essentially), and can confirm Anker E-Mail support is pretty good in my experience, they sent me a second unit (even though the first is still functional and I still use it just fine to this day), free of charge after a brief exchange.

Might be worth a shot.