Battery Description and Operation: Ratings
WARNING: This page is about a different car, the 2004 Suzuki Swift + and 2004 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
A battery has two ratings:
- A reserve capacity rating designated at 27° C (80° F), which is the time a fully charged battery will provide 25 amperes current flow at or above 10.5 volts;
- A cold cranking amp rating determined under testing at -18° C (0° F), which indicates the cranking load capacity.