4SR44B1A

Sony Watch Button Battery - Size 4SR44 (PX28S) - 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.

4SR44B1AMedia Reviews

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Features4SR44B1A

High energy density has been achieved owing to the Sony's original high-precision material-mixing technology. The use of antioxidant, high performance separators also contributes to improved storage characteristics.
Excellent stable discharge characteristics: Constant voltage output is available during the discharging.
Excellent leakage resistance: Sony-unique sealing structure, coupled with special sealing- material treatment, has helped accomplish the excellent leakage resistance.
A comprehensive product line-up: Thanks to Sony's state-of-the-art micro battery production technologies , a comprehensive range of ultra-compact batteries are available to meet various needs.
Applications: Electric watches/clocks, Calculators, Electronic clinical thermometers, Portable games

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