Eveready 377BPZ Miniature Battery, f/Electronic Watch, 1.55Volt, Silver, EVE377BPZ, EVE 377BPZ, Miniature cell battery is designed to keep your watches, calculators, photoelectric exposure devices, hearing aids and other electronics running smoothly. At 1.55 volts, the silver oxide/zinc alkaline battery offers higher voltage than comparable mercury batteries and a flatter discharge curve than alkaline manganese dioxide batteries. Mercury-free battery also has good resistance to shock, vibration and acceleration. UPC Code 039800109644, Quantity 1 EA