BCI guidelines establish group sizes for batteries with codes like 24F, 35, and 48H6. If you try to use a battery that doesn't match your vehicle, you may not be able to fit it properly or connect ...

It showed group 36R as the correct one. He did not have it in stock, so he substituted a group 24F. He said the main difference was that the “cold-cranking power” was higher in the 24F.

We've tested and reviewed products since 1936. Read CR's review of the Bosch Premium Group Size 49 car battery to find out if it's worth it.

We've tested and reviewed products since 1936. Read CR's review of the Duralast Gold 24F-DLG car battery to find out if it's worth it.