Loopacell Silver Oxide Batteries Size 379 (SR521SW) 10 Batteries

Product Description

Keep your precision electronics running at their best with Loopacell 379 SR521SW Silver Oxide Batteries. This 10-pack delivers reliable 1.55V power for watches, calculators, medical devices, laser pointers, key fobs, digital thermometers, and other small electronic devices that require dependable, long-lasting performance.

Manufactured with premium silver oxide chemistry, Loopacell 379 batteries provide stable voltage output, extended service life, and excellent reliability compared to standard alkaline button cells. With a long shelf life and dependable performance, these batteries are ideal for everyday use, professional applications, and backup storage. Silver oxide 379/SR521SW cells measure approximately 5.8 × 2.1 mm and are commonly used in low-drain precision electronics.

Key Features

• Reliable 1.55V Silver Oxide Power – Provides stable voltage and dependable performance for precision electronic devices.
• Convenient 10-Pack – Includes 10 fresh Loopacell 379 SR521SW batteries for replacements and backup use.
• Wide Compatibility – Replaces 379, SR521SW, SR521, SR63, D379, GP379, V379, S521E, 280-59, and other compatible battery models.
• Long-Lasting Performance – Silver oxide chemistry delivers longer service life and more consistent voltage than comparable alkaline button cells.
• Perfect for Precision Devices – Ideal for watches, calculators, medical devices, laser pointers, key fobs, cameras, digital thermometers, and other compatible electronics.
• Trusted Loopacell Quality – Manufactured to high-quality standards for reliable, leak-resistant performance.

Specification

Battery Type: 379 / SR521SW Button Cell
Chemistry: Silver Oxide
Voltage: 1.55V