Silver oxide button cell, 1.55V nominal voltage, adopts special seal technology and well-selected materials imported from Janpan to produce. 1.stable voltage, 2.smooth dischage curve, 3.high operating voltage with low inside-resistance, 4.high capacity, 5.good low temperature resistane, 6.good impact resistance, 7.long storage and use life(ED:3 years), 8.smooth and clean surface, 9.low volume, 10.light weight, 11.antirustand, and so on widely used for mini calculator, slap-up quartz watch,lighter,camera and so on.