Sticky black goo on 18650

[jamezcua12]

I just rewaped my 18650 batterys and I noticed some sticky black stuff/goo on the bottom and top of my 18650. They hold and change just fine .. can someone please help me? And let me know what it is or if it's safe to use

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[jamezcua12]

I just rewaped my 18650 batterys and I noticed some sticky black stuff/goo on the bottom and top of my 18650. They hold and change just fine .. can someone please help me? And let me know what it is or if it's safe to use

Sent from my SM-G920T using Tapatalk

 

[Droogbc]

When in doubt, throw it out.