Varta Watch Battery - Silver - SR44 - 1.55V
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Product Information
Full details
The Varta -V303 watch battery is designed for individuals who need precise and reliable power for miniature electronics, particularly timepieces. Its key benefit is stable, long-lasting energy thanks to silver oxide chemistry. A potential caveat is its specific size (SR44), requiring it to be compatible with the device it's intended for. This single-use button cell offers a 1.55V nominal voltage and a 160mAh capacity, making it suitable for a wide range of watches, fitness trackers, calculators, and medical instruments.
All features
| Colour | Silver |
|---|---|
| Model Part Number | 00303 101 111 |
| Brand | Varta |
Extended Product Information
FAQs
What devices is the Varta -V303 battery suitable for?
This battery is primarily designed for miniature electronics, including analog and digital watches, fitness trackers, small calculators, digital thermometers, and other small electronic devices that require a 1.55V SR44 silver-oxide button cell.
What is the difference between SR44 and LR44 batteries?
While often interchangeable in size, SR44 batteries use silver-oxide chemistry providing a stable 1.55V, whereas LR44 batteries use alkaline chemistry with a nominal voltage of 1.5V that drops more significantly over its discharge cycle. The Varta -V303 is an SR44 type.
How long does the Varta -V303 battery typically last?
Battery life varies greatly depending on the device's power consumption. However, due to its silver-oxide chemistry and 160mAh capacity, it is designed for long-lasting performance in low-drain applications like watches.
Is this battery rechargeable?
No, the Varta -V303 is a single-use (primary) battery and is not designed to be recharged.
What does 'SR44' mean?
SR44 is an industry standard designation for a button cell battery that uses silver-oxide chemistry and has specific dimensions. It is also known by other designations like 357 or RW 32.
Where should I store unused Varta watch batteries?
Store unused batteries in their original packaging in a cool, dry place, away from direct sunlight and metal objects to prevent short circuits.
How should I dispose of a used Varta -V303 battery?
Used batteries should be disposed of responsibly according to your local electronic waste or battery recycling regulations. Avoid disposing of them in regular household trash.
Troubleshooting
Device does not power on after battery replacement.
Ensure the battery is inserted with the correct polarity (+/-). Check that the battery contacts inside the device are clean and making proper contact. Verify that the device's battery compartment is securely closed.
Device's performance is erratic or weak.
Confirm that the inserted battery is the correct type (Varta -V303, 1.55V SR44). If the battery is new, it may be faulty; try a new one. Ensure there is no debris obstructing the battery or its contacts.
Battery drains much faster than expected.
Check if the device is compatible with a 1.55V silver-oxide battery, as higher voltage or different chemistry batteries might cause issues. Some devices have features that consume more power; consult the device manual. Ensure the battery compartment is sealed properly to prevent unintended power drain.
Pros and Cons
Pros
- Provides stable and consistent power output.
- Longer lifespan compared to some other battery chemistries.
- Specifically designed for miniature electronics like watches.
- Mercury-free composition.
- Reliable and trusted brand in battery manufacturing.
Cons
- Single-use battery; not rechargeable.
- Specific size (SR44) means it's not universally compatible with all small devices.
- Capacity might be lower than some high-drain devices require.
Setup, Compatibility & Care
Setup:
- Carefully open the device's battery compartment, typically found on the back of a watch or under a small cover on other electronics.
- Note the orientation of the old battery (positive and negative terminals).
- Gently remove the old battery using a non-metallic tool if necessary.
- Insert the new Varta -V303 battery, ensuring the positive (+) and negative (-) terminals are correctly aligned according to the device's markings.
- Securely close the battery compartment.
Compatibility:
- This battery is specifically designed as an SR44 (also known as LR44, 357, or SG13, though voltage may differ) replacement. Always check your device's manual or the old battery to confirm compatibility with the 1.55V silver-oxide chemistry and SR44 size.
- Ideal for analog and digital watches, fitness trackers, small calculators, digital thermometers, and other miniature electronic devices requiring a 1.55V button cell.
Care:
- Store unused batteries in their original packaging in a cool, dry place, away from direct sunlight and extreme temperatures.
- Avoid storing batteries loosely with metal objects, as this can cause short circuits.
- Handle batteries with care; do not puncture, disassemble, or expose them to fire.
- Dispose of used batteries responsibly according to local regulations.