
Duracell Watch & Calculator Battery, Silver Oxide, 1.5-volt
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The Duracell D309/393BPK is a silver oxide button cell battery designed to power precision timepieces, calculators, laser pointers, and other small electronic devices. This compact 1.55-volt power source delivers reliable, consistent voltage output, ensuring your watch keeps accurate time and your calculator performs without interruption.
Silver oxide chemistry is engineered for watches, calculators, and electronic devices that require stable, steady power. With a leak-resistant design and advanced sealing, this battery protects delicate electronic components from corrosion. Whether you need a replacement for an everyday timepiece or a dependable spare for emergency use, the Duracell 309/393 delivers the power your devices demand.
Features and Benefits
- Silver Oxide Chemistry: Engineered for watches, calculators, and electronic devices requiring stable power output.
- Stable 1.55-Volt Output: Provides consistent performance throughout the battery's life, eliminating erratic power fluctuations.
- Leak-Resistant Design: Advanced sealing prevents corrosion and protects sensitive electronic components from damage.
- Compact Button Cell Format: The small 309/393 size fits precision timepieces and handheld calculators.
- Reliable Spare: Ideal for keeping on hand as a backup battery for watches and calculators.
Specifications
- Brand: Duracell
- Model: D309/393BPK
- Battery Type: Button cell
- Chemistry: Silver oxide
- Size: 309/393
- Voltage: 1.55 V
- Capacity: 70 mAh
- Terminal Type: Pressure contact
- Dimensions: 0.311 in diameter × 0.213 in depth
- Quantity: 1 pack