... weight, 70% weight of silver zinc and zinc-manganese battery. 6, Environment-friendly, RoHS compliant. 7, Abundant ... resource restricts the yield of Zn-Ag button battery. Abundant materials in Li-FeS2 ensure the ... mass production of Li-FeS2 button battery.Application:Digital calipers, calculators, DV, electronic clocks, ... water consumption in lifetime. button battery (size AG13)-180mAh