Just FYI, I went out to check and the battery in my car is a Motorcraft Superstart 680A & 70AH. Says the first charge date is 2004 which is the same year as my car, so seems to be original. Means it's started my car for around 6 years so far in brutal cold temps (averaging -10C / -20C in winter with occasional lows of -40C) and it's never failed to start my car despite it sitting for weeks at a time outside without being started (I don't drive it much, good public transport here). My Ford is a diesel by the way which can be harder to start in winter as well.
I can certainly recommend that Motorcraft battery if available in the US!