13.8v (or 15V), 8A switching power supply

Hero999 said:

What mains voltage are you using in you calculations? I used 230VAC.

You have point about the ESR of the capacitor reducing the current, then there's any inductance in the line which should also help.

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Actually I scaled from your 650A.

I would point out however that your 230V line can easily surge to 400V peak. That is only 10% variation (considered normal) and 10% surge, hence most universal PFC circuits running a 400V rail.