[header] How to save money on batteries [title] Keep the batteries at room temperature. [step] There is generally no need to refrigerate batteries, as this can cause condensation that leads to corroded contacts (battery ends) and label or seal damage. Temperature extremes, either too hot or too cold, can drain energy from the battery, or cause the batteries to begin leaking. 
Never attempt to use a battery that shows signs of leaking. [title] Remove drained batteries from use in all products.