Renata Silver Oxide Battery - Superior Leakage Resistance 396 SR726W | Nominal Voltage - 1.55V | Nominal Capacity - 32 mAh High capacity retention on storage (low self-discharge) Swiss quality and consistently great performance, battery after battery. Works for toys, watches, cameras, calculators, car security alarm, keyless car remotes, organizers, computer equipment (memory backup battery) CMOS