... of iron button battery---1.5V Li-FeS2 button cell.∴ In 2007, 1.5V Li-FeS2 button cell was finished ... is higher than Ag-Zn/Zn-Mn cells. 2, Low self-discharge. Over 10 years shelf life ... Li-FeS2 ensure the mass production of Li-FeS2 button battery.Application:Digital calipers, calculators, DV, electronic ... ~70oC -10~60oCEnergy density 180mAh 165mAhWeight 1.3g 2.2gHg no includeA battery of mercury (Hg) can ...