... a new kind of iron button battery---1.5V Li-FeS2 button cell.∴ In 2007, 1.5V Li-FeS2 button cell was finished designing and ... 5, Light weight, 70% weight of silver zinc and zinc-manganese battery. 6, Environment-friendly, RoHS compliant. 7, Abundant raw ... in Li-FeS2 ensure the mass production of Li-FeS2 button battery.Application:Digital calipers, calculators, DV, electronic clocks, medical ...