... years shelf life at room temperature. 3, Wide temperature range 4, Li-FeS2 button battery can work at the temperature: -20→ ... centigrade.While battery with anode of zinc deteriorate at a high temperature 5, Light weight, 70% weight of ... calculators, DV, electronic clocks, medical equipment, electronic dictionaries, measuring instrument, sensors, plug-in computer, radio transceiver and other electronic ...