How long can batteries be stored?
Batteries should be stored indoors, preferably at 77F (25C) or in a cool (60F to 85F), dry location and placed in service before the date stamped on the shipping carton. The indicated storage time is based on storage at 77F (25C); approximately 6 months for Lead Calcium alloy and approximately 3 months for Lead Antimony cells. See product manual for specific details. Exercise caution when operating or storing batteries at low temperatures because of the possibility of electrolyte freezing. Although the specific gravity of a fully charged battery may present no freezing problem, the discharged specific gravity may. See product manual for more information.