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Silver Oxide Button watch Battery SR521 1.55V

Silver Oxide Button watch Battery SR521 1.55V

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Brand: CTECHi
Weight: 0.6g
Item: SR521SW 379 Sliver Oxide battery
Voltage Nominal: 1.55V
Capacity Nominal: 11mAh
Energy: 0.024Wh
Dimension: 5.8*2.1mm
Charge: NO
Operating Temperature: -20+60℃
Certification: CE, CCC, CQC, UL
Availability: OEM, ODM, OEM/ODM
Product Details
The SR521 silver oxide button battery is a non-rechargeable disposable battery, which is different from the voltage of the zinc air battery of 1.4V and the lithium button battery voltage of 3V. It has a voltage of 1.55V, a capacity of 11mAh, a diameter of 5.8mm and a thickness of 2.1mm.
  • SR521 silver oxide battery packaging
  • SR521 silver oxide battery detailed size
  • SR521 silver oxide battery detailed size discharge curve
Application Scope
The SR521sw silver oxide battery is a small, lightweight button battery that has almost the same voltage as an alkaline battery, so it can be used in many small electronic devices and watches.
  • SR521 silver oxide battery can be used in remote key
  • SR521 silver oxide battery can be used in digital watch
  • SR521 silver oxide battery can be used in Hearing aid
Enterprise Strength
  • Based on good business reputation, high-quality products, and professional services, CTECHi Group wins unanimous praise from domestic and foreign customers.
Product Comparison
Under the guidance of market, CTECHi Group constantly strives for innovation. Battery has reliable quality, stable performance, good design, and great practicality.Compared with products in the industry, CTECHi Group's Battery has the outstanding advantages which are mainly reflected in the following aspects.
Company Advantages
1. The entire production process of CTECHi watch button batteries strictly follows the international norms.
2. This product features a large energy storage capacity. The materials used in the battery cells have a huge reversible capacity.
3. Our products are admired for their huge development prospects.
4. The product is overwhelmingly appreciated by our customers in the industry.

Company Features
1. Dedicated to being the leader in the industry of watch button batteries, CTECHi Technology Co. Ltd is growing steadily after years of development to create the most value in the products.
2. CTECHi Technology Co. Ltd boasts its strong technology capability.
3. CTECHi establishes a sensible management system for the long-term development of its customers. Check now! CTECHi Technology Co. Ltd will maintain technological benefits and supply thoughtful and innovative answers. Check now!
CTECHi watch button batteries is strictly inspected. It is carried out by our QC team who checks its biocompatibility, sanitation, wear resistance, and chemical resistance.
During the preliminary stage of CTECHi watch button batteries, the sizes of each part are accurately designed with the help of CAD and cutting plotter.
The fabrication of CTECHi sliver oxide battery strictly follows 6 methods below: extrusion, injection molding, liquid injection molding, compression molding, calendaring, and transfer molding.
The raw materials or parts of CTECHi watch button batteries would be inspected before production. The materials or parts are guaranteed eco-friendly and non-toxic by the suppliers who hold gift&crafts quality certifications.
The quality of CTECHi sliver oxide battery is guaranteed by the strict inspection conducted through all stages and the quality and safety compliance tests required in gifts&crafts.
The product features a stronger base. The metal material is used on the outside and glass is used to insulate the inside of the base to withstand impacts.
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