Manufacturing high quality batteries with high capacity retention on storage, Sony continues to provide reliable power sources for many hand held devices. Such as; Silver oxide battery which is a small-sized primary battery mainly used for wrist watches, using zinc as the negative electrode (cathode), silver oxide as the positive electrode (anode) plus an alkaline electrolyte. Sony 364– SR621SW Silver Oxide Button Battery is suitable for analog and basic digital watches and hand held devices that have a continuous, low power consumption. These battery cells are at top of the world with a reported failure rate of less than 1%. • Features:  High energy density  Excellent stable discharge characteristics.  Excellent leakage resistance  A comprehensive product line-up • Specifications:  Model: SR621SW  Chemistry: Silver-Oxide  Voltage: 1.55V  Capacity:23mAh  Shelf Life: 5-7 Years  Diameter:6.8mm  Height:2.15mm  Weight:0.32g • Cross Section: 1175SO, 364, 531, 602, 9911, AWI S14, Citizen 280-34, D364, GP64/SG1, KS364, R364/31, SP364, SR/TR621SW, SR60, SR621, SR621SW, Seiko SB-AG, Seiko SB-DG, Timex T, V364
