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Duracell 309/393 Silver Oxid Button Battery
$2.51
The Duracell 309/393 is a silver oxide button cell battery designed for high-precision, low-drain devices. It delivers stable and reliable voltage, making it ideal for watches, medical devices, and sensitive electronics.
• Type: 309/393 (SR754W / SR48).
• Chemistry: Silver Oxide.
• Nominal voltage: 1.55 V.
• Typical capacity: ~80 – 100 mAh.
• Dimensions: Ø 7.9 mm x 5.4 mm.
• Features:
• Stable voltage output.
• Long shelf life (4 – 5 years).
• Mercury-free construction.
• Recommended applications:
• Wristwatches.
• Calculators.
• Portable medical devices (e.g., meters).
• Small toys and electronic gadgets.