Thinking of switching from my Odyssey, can someone write some feedback on how well a 2.5lb battery can turn over a 912ULS compared to the Odessey?

The Odyssey claims to have 625CCA for a few seconds, then 500something for 10 seconds, yet the Aerovoltz claims 410 CCA. Anyone know if the Aerovoltz is sufficient to turn it over nice and strong even in cold weather? This CCA question is my main concern.... appreciate anyone's input that actually has run this installation themselves?

~B