... patents of invention in China.Features: 1, High capacity, up to 210mAh for FR1154, capacity is higher than Ag-Zn/Zn ... room temperature. 3, Wide temperature range 4, Li-FeS2 button battery can work at the temperature: -20→60 centigrade.While battery with ... in Li-FeS2 ensure the mass production of Li-FeS2 button battery.Application:Digital calipers, calculators, DV, electronic clocks, medical equipment ...