Ideal for watches, calculators and small electronic devices requiring SR731SW silver oxide batteries.
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$9.95 AUD
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$9.95 AUD
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Trusted Energizer watch battery performance
Stable power for precision low-drain devices
Longer life than standard alkaline batteries
Sold individually for convenience
The Energizer 329 silver oxide watch battery is a precision 1.55V coin cell designed for small electronic devices that require stable, low-drain power. Commonly used in watches, calculators, and compact electronics, it delivers consistent voltage and reliable long-term performance.
Equivalent to SR731SW, this battery is specifically suited to low-drain applications where steady output is essential. Silver oxide chemistry provides longer life and more stable voltage compared to alkaline alternatives, making it ideal for precision devices.
Sold individually, this battery is perfect for replacing a single worn-out cell or keeping a spare ready when needed.
Key Features
329 silver oxide watch battery
1.55V nominal voltage
Equivalent to SR731SW
Stable voltage output for precision devices
Longer lasting than alkaline alternatives
Designed for low-drain applications
Reliable Energizer performance
Specifications
Brand
Energizer
Model
329TZ
Battery Type
Silver Oxide
Voltage
1.55V
Capacity
39mAh
Size
SR731
Equivalent Codes
SR731SW
Rechargeable
No
Application
Watches, calculators, small electronics
Unit of Measure
Each
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What devices use a 329 battery?
It’s commonly used in watches, calculators, and small electronic devices.
Is this the same as SR731SW?
Yes. The 329 is equivalent to SR731SW and is designed for low-drain applications.
Is this battery rechargeable?
No. This is a single-use silver oxide battery.
Can I replace an alkaline battery with this?
Yes, if the size matches. Silver oxide batteries provide more stable voltage and longer life.
How long will it last?
Battery life depends on the device, but silver oxide batteries are designed for long-lasting, consistent performance.
