Battery Description: Ratings
WARNING: This page is about a different car, the 2006 Suzuki Verona. However, it is still accessible from the selected car via links, so may be relevant.
A battery has 2 ratings: (1) a reserve capacity rating designated at 27 °C (80 °F), which is the time a fully charged battery will provide 25 A current flow at or above 10.5 V; (2) a cold cranking amp rating determined under testing at -18 °C (0 °F), which indicates the cranking load capacity.