Deliver a surge of power to start automobiles and other vehicles. These wet-cell batteries contain electrolyte in an unsealed container, so they must be mounted upright. They may occasionally need to be filled with distilled water.

Cold cranking amps is the maximum amps that a new, fully charged battery can continuously deliver for 30 seconds at 0° F.

Warning: Batteries should always be charged and discharged in a ventilated area.