Just noticed this on all of my batteries and wondered if any of y'all had experienced this?

And those scratches were done by a Nitecore i2 charger I just bought and this happened after I started using the charger....
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And those scratches were done by a Nitecore i2 charger I just bought and this happened after I started using the charger....
Sent from my SGH-M919 using Tapatalk