Murata Manufacturing purchased SONY battery manufacturing business in 2017. Effective 2019 SONY branded micro batteries ceased and are now marketed under the Murata brand name.

Silver oxide battery 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 . Thanks to its high energy density and superb stable discharge characteristics, silver oxide batteries are being used in a broad range of applications, from quarts watches to portable devices such as electric clinical thermometers and portable games.

   - PET Blister Packs of 0%Hg Mercury Free 1.55V Silver Oxide Cells

   - Excellent stable discharge characteristics

   - High Energy Density

   - Excellent leakage resistance

Works in: Watches, computer motherboards, calculators, PDAs, electronic organizers, garage door openers, toys, games, door chimes, pet collars, LED lights, sporting goods, pedometers, calorie counters, stopwatches and medical devices.

Equivalent to:379, 179, SR63, 1191SO, SR521SW, V379, Bulova 618, Citizen 280-59, Duracell D379, Energizer 379, Goldpeak 379, IEC SR63, Maxell SR521SW, Rayovac 379, Renata 379, Seiko SB-AC, Sony SR521SW, Timex JA, Toshiba SR521SW, Varta V379