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 APC SUA2200RM2U takes eight batteries, they are 12v 4.5ah each, its no good just changing half of them as the new ones will quickly drain to the same level as the old ones making the change useless and they will last much shorter.
You can get 12 volt 5.4 ah versions of the battery which is...