They just show ( best before ) on the package. There is no date of manufacture. They usually last five years though. I always pull out the stem on my watches when I don’t use them for awhile to save the battery.

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Renata BatteriesRenata 399 SR927W Batteries - 1.55V Silver Oxide 399 Watch Battery (2 Count)

Renata BatteriesRenata 399 SR927W Batteries - 1.55V Silver Oxide 399 Watch Battery (2 Count)

4.5/5

Product ID: 596530134

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Details

Number of batteries
2 Product
Brand
Renata
Battery cell composition
Silver Oxide
Recommended uses for product
Calculators
Unit count
2 count

⚡53 mAh Capacity

🔋1.55V Voltage

🇨🇭Swiss Quality

Description

🔋 Power Up Your Life with Swiss Precision!

🔋 UNMATCHED POWER - Experience a reliable 1.55V output for all your devices.
🔒 LEAK PROOF DESIGN - Stay worry-free with exceptional leakage resistance for safe storage.
🇨🇭 SWISS ENGINEERING - Trust in superior quality and performance, crafted in Switzerland.
⚡ LONG LASTING PERFORMANCE - Enjoy a nominal capacity of 53 mAh, ensuring your gadgets run longer.
🔄 VERSATILE COMPATIBILITY - Perfect for watches, toys, cameras, and more—your all-in-one power solution.

The Renata 399 SR927W Batteries are high-performance silver oxide batteries designed for a variety of devices, offering a nominal voltage of 1.55V and a capacity of 53 mAh. With superior leakage resistance and Swiss quality, these batteries ensure reliable power for watches, toys, cameras, and more.

Reviews

4.5

All from verified purchases

F**G

Speed of delivery

Watch up & working, swift delivery, excellent

20.05.2025

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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1812₴

Duties & taxes incl.

Ukrainestore

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30 daysfor PRO membership users

15 dayswithout membership

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TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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Antenna Location	Calculators,Camera,Car Security Alarm,Keyless Car Remotes,Watch,Watches
Item Weight	9 Grams
Unit Count	2 Count
Battery Cell Type	Silver Oxide
Battery Capacity	53 Milliamp Hours
Reusability	Single Use
Voltage	1.55 Volts

Renata BatteriesRenata 399 SR927W Batteries - 1.55V Silver Oxide 399 Watch Battery (2 Count)

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