Some users have recently had their accounts hijacked. It seems that the now defunct EVGA forums might have compromised your password there and seems many are using the same PW here. We would suggest you UPDATE YOUR PASSWORD and TURN ON 2FA for your account here to further secure it. None of the compromised accounts had 2FA turned on.
Once you have enabled 2FA, your account will be updated soon to show a badge, letting other members know that you use 2FA to protect your account. This should be beneficial for everyone that uses FSFT.
The battery overheating?
Chexk the back of the battery, below the upc for any of these numbers. If it is one of these models, contact Dell and get it warranteed.
The number below the barcode, it should be in the second series of numbers.
I believe it's something like this... xx-xXXXXXXx-xxxx-xxx
or something similar. The nimbers your looking for would be where the x in my example is capitalized.