Batteries charged at the lower voltage met BCI voltage standards for a fully charged battery. The Bosch Premium Group Size 49 is part of the Car Batteries test program at Consumer Reports.

Car battery shopping has to be one of the least ... A few things to remember before you head inside are to locate the battery's group size, the cold cranking amps (CCA) of the battery in the ...

CCA performance reflects voltage at our load of half the average claimed CCA for each group size after cranking ... a fully charged battery. The Duracell 51R is part of the Car Batteries test ...

most of us have lived our entire lives where car batteries come in several sizes (controlled by Battery Council International) and cars have a 12 V, negative ground system. Times have changed.