The Energizer car battery line is made by Ever-Ready Batteries. These batteries are of the sealed, flooded lead acid type and produce twelve volts of electricity at up to 700 cold cranking amps. These batteries are made to fit and power just about every car on the road today. There are eight different battery group numbers. These group numbers pertain to case size and terminal layout. Each group size may be available in four or five different output levels, as measured by cold cranking amps. Energizer batteries are available for use in most cars and light trucks. There is only one basic type of Energizer car battery, the flooded lead acid type.
For more info, see Best Car Battery Brands on the Market