Top 10 best battery 521: Which is the best one in 2022?

We spent many hours on research to finding battery 521, reading product features, product specifications for this guide. For those of you who wish to the best battery 521, you should not miss this article. battery 521 coming in a variety of types but also different price range. The following is the top 10 battery 521 by our suggestions:

Product Features Editor's score Go to site
Energizer 379 Button Cell Silver Oxide Sr521sw Watch Battery (1 Pack of 5 Batteries) Energizer 379 Button Cell Silver Oxide Sr521sw Watch Battery (1 Pack of 5 Batteries)
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SR521W 379 SR521SW LR521 Alkaline Watch Battery (10pc) SR521W 379 SR521SW LR521 Alkaline Watch Battery (10pc)
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10 379 Energizer Watch Batteries SR521SW Battery Cell 10 379 Energizer Watch Batteries SR521SW Battery Cell
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Maxell SR521SW SR63 SG0 SR521 379 Silver Oxide Watch Battery Maxell SR521SW SR63 SG0 SR521 379 Silver Oxide Watch Battery
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Sony Silver Oxide Batteries Size 379 (SR521SW)(Pack of 5) Sony Silver Oxide Batteries Size 379 (SR521SW)(Pack of 5)
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Sony 379 (SR521SW) 1.55V Silver Oxide 0%Hg Mercury Free Watch Battery (1 Battery) Sony 379 (SR521SW) 1.55V Silver Oxide 0%Hg Mercury Free Watch Battery (1 Battery)
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379 Watch battery - Strip of 5 Batteries 379 Watch battery - Strip of 5 Batteries
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Energizer 379 (SR521SW) Silver Oxide Battery (Pack of 5) Energizer 379 (SR521SW) Silver Oxide Battery (Pack of 5)
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50 pcs AG0 G0 Bulk SHL 379A SR521 379 618 SR63 521 SR521SW 1.5 Alkaline Battery with SHL LLC Coupon and 2 year warantee 50 pcs AG0 G0 Bulk SHL 379A SR521 379 618 SR63 521 SR521SW 1.5 Alkaline Battery with SHL LLC Coupon and 2 year warantee
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Maxell Hologram SR521SW 379 Sr 521sw Maxell Hologram SR521SW 379 Sr 521sw
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Reviews

1. Energizer 379 Button Cell Silver Oxide Sr521sw Watch Battery (1 Pack of 5 Batteries)

Feature

Guaranteed Factory Fresh

Description

5 New Type 379 Energizer Batteries. This is a new set of 5 type 379 Energizer batteries. Brand New & Guaranteed Factory Fresh. The shelf life on Energizer batteries is 5 to 10 years. These batteries are commonly required for Swatch, Fossil, Timex and Casio popular brands. Energizer's reported failure rate is far less than 1/1000 of 1%. This devotion to consistent quality has led it to control over 70% of market share in Switzerland, one of the world's leading watch producing countries. Energizer is respected world wide for its uncompromising quality and consistent performance. Energizer's technological leadership produces a variety of miniature batteries which are trusted for use by the best names in watch, computer, keyless entry, consumer electronics and hearing aid industries.

2. SR521W 379 SR521SW LR521 Alkaline Watch Battery (10pc)

Feature

AG0 379A SR521 379 179 LR521 SR521SW Alkaline Button Cell Battery
Capacity : 10mAh
Volt: 1.5 volt
0% Hg environment friendly green cells
Application: LED earrings, bullets , watches , calculators , remote controls , toys and so on

Description

Brand: PKCELL
Model: AG0 379A SR521 379 618 SR63 521 SR521SW
Capacity: 10mAh
Volt: 1.5 volt
Chemical Composition: Alkaline
Shelf Life: 2 years (not printed on battery)

3. 10 379 Energizer Watch Batteries SR521SW Battery Cell

Feature

This is a new set of 10 Energizer #379 (Sr521sw) watch batteries
There are 5 batteries in a package
Energizer - trusted power for proven performance and reliability
Brand new&guaranteed factory fresh. The shelf life on Energizer batteries is 5 to 10 years
These batteries are commonly required for Swatch, Fossil, Timex and Casio

Description

Ten 379/Sr521sw Energizer Watch Batteries This is a new set of 10 Energizer #379 (Sr521sw) watch batteries There are 5 batteries in a package Energizer - trusted power for proven performance and reliability Brand new & guaranteed factory fresh. The shelf life on Energizer batteries is 5 to 10 years These batteries are commonly required for Swatch, Fossil, Timex and Casio Energizer's reported failure rate is far less than 1/1000 of 1% This devotion to consistent quality has led it to control over 70% of market share in Switzerland, one of the world's leading watch producing countries Energizer is respected world wide for its uncompromising quality and consistent performance Energizer's technological leadership produces a variety of miniature batteries which are trusted for use by the best names in watch, computer, keyless entry, consumer electronics and hearing aid industries

4. Maxell SR521SW SR63 SG0 SR521 379 Silver Oxide Watch Battery

5. Sony Silver Oxide Batteries Size 379 (SR521SW)(Pack of 5)

Feature

High Energy & Continuous Voltage Supply
Long shelf Life, Ideal Temperature Resistance
Superior Storage capacity
Sony durability and engineering

Description

Sony's top-rated batteries provide an excellent combination of high energy and continuous voltage supply. These batteries provide long shelf life for back up energy purposes together with ideal temperature resistance and superior storage capacity. Sony batteries are guaranteed to provide optimal performance throughout the life of the battery.

6. Sony 379 (SR521SW) 1.55V Silver Oxide 0%Hg Mercury Free Watch Battery (1 Battery)

Feature

Sony PET Blister Packs of 0%Hg Mercury Free 1.55V Silver Oxide Cells
Excellent stable discharge characteristics
2-3 Year Shelf Life, Made in Japan
High Energy Density
Excellent leakage resistance

Description

Sony 379 (SR521SW) Silver Oxide 0%Hg Mercury Free 1.55 volts batteries. Sony was the first Corporation to provide the first mercury free silver oxide battery to consumers. Silver oxide batteries are primary cells that have a high energy/weight ratio. Silver oxide is used as the positive electrode (cathode) while zinc is used as the negative electrode (anode) with an alkaline electrolyte. Sony silver oxide batteries provide an extremely high quality, compact battery for the high performance devices today. Sony also ensure consistent reliability and performance in every cell. While Silver Oxide batteries are known for mainly wrist watches the application usage due to the high energy density and discharge characteristics have given the cells a broad range of application usage. Applications: Insulin Pump, Watches, Calculators, Electronic Clinical Thermometers, Remote Controllers, Portable Gaming Systems, Keyless Car Remotes, Radios, Bike Lights, Portable GPS Systems/Bike Computers, Computer/Communication Equipment, camera's and many other devices. Please read and observe the following precautions thoroughly.Improper battery handling may cause leakage, heating, explosion of the battery, which may lead to injury or product failure. Never charge the battery. Charging the battery may cause decomposition of the battery electrolyte or increase of the battery internal pressure. Leakage, heating, explosion of the battery may be caused as a result of it. Keep away from infants. If infant happened to swallow the battery, consult a doctor immediately. Do not heat or disposed in fire or disassemble the battery. When the battery is stored or disposed, isolate positive(+) and negative(-) terminals of the battery to avoid those terminals touch each other. Compatible Sizes/Cross Reference: 379, SR521SW, RW327, 379(50), V379/520, 9938, JA, SB-AC(DC), 280-59

7. 379 Watch battery - Strip of 5 Batteries

Feature

This is a new set of five #379 (SR521SW) Renata watch batteries
These batteries are commonly required for Swatch, Fossil, Timex and Casio popular brands
Renata has first hand knowledge of what a high quality watch battery must stand for
Optimized volume/capacity ratio
5 Batteries

Description

379 Watch battery - Strip of 5 Batteries

8. Energizer 379 (SR521SW) Silver Oxide Battery (Pack of 5)

Feature

World-class capacity and leakage resistance
Used in watches, toys, glucose monitors, and calculators
Cell size: 379

Description

Energizer 379 (SR521SW) Silver Oxide Battery (Pack of 5)

9. 50 pcs AG0 G0 Bulk SHL 379A SR521 379 618 SR63 521 SR521SW 1.5 Alkaline Battery with SHL LLC Coupon and 2 year warantee

Feature

379, 179, SR63, 1191SO, SR521SW, V379
Bulova 618, Citizen 280-59, Duracell D379
Energizer 379, Goldpeak 379, IEC SR63, Maxell SR521SW
Alkaline Battery 1.5V
Rayovac 379, Renata 379, Seiko SB-AC, Sony SR521SW

Description

Batteries are brand new, fresh with sealed
watches, computer, keyless entry, consumer electronics and hearing aid industries, and other electronic devices.
Compatible:
379, 179, SR63, 1191SO, SR521SW, V379, Bulova 618, Citizen 280-59, Duracell D379, Energizer 379, Goldpeak 379, IEC SR63, Maxell SR521SW, Rayovac 379, Renata 379, Seiko SB-AC, Sony SR521SW, Timex JA, Toshiba SR521SW, Varta V379

SHL coupon is SmartHubLeader LLC's exclusive promotion coupon

10. Maxell Hologram SR521SW 379 Sr 521sw

Feature

Great for replacing watch batteries
Maxell SR521SW; 379
Package of 5

Description

Maxell batteries are known worldwide for their performance and reliability and now you can order them from EURO TOOL with your other needs. Featuring: - One-of-a-kind authentication hologram. - Clear bold model numbers. - Easy-to-Open Pill Packaging - much easier than blister packaging. - Individual UPCs on back of package. - Maintains Maxell's unique color coding system. - 30 percent lighter than previous packaging. - Smaller card size fits popular watch battery storage systems.

Conclusion

By our suggestions above, we hope that you can found the best battery 521 for you. Please don't forget to share your experience by comment in this post. Thank you!