Maxell 379 SR521SW 1.55V Silver Oxide Battery - 5 Pack

Product Description

Power your ultra-slim luxury watches and micro-electronic instruments with the dependable energy of the Maxell 379 SR521SW 1.55V Silver Oxide Battery. Manufactured in Japan under stringent quality controls, this low-drain coin cell is engineered specifically for devices that require a continuous, steady low-level current over an extended period.

Maxell's advanced silver oxide chemistry ensures a high capacity-to-volume ratio and a flat, consistent voltage discharge curve throughout the battery's lifespan, preventing premature dimming or stopping in precise timepieces. Featuring an exceptional self-discharge rate for reliable shelf storage and a robust leak-resistant seal, the Maxell 379 is the trusted OEM choice for elite analog wristwatches, miniature medical tools, and precision micro-instruments.

Key Features

• Stable 1.55V Output: Delivers a flat, consistent voltage discharge curve to maintain accurate, reliable performance for sensitive electronics.
• Low-Drain Optimization (SW Version): Specially engineered for analog watches and devices featuring low, steady power consumption profiles.
• Premium Silver Oxide Chemistry: Maximizes energy density and offers superior longevity compared to standard alkaline alternatives.
• Ultra-Compact Dimensions: Manufactured to precise micro-tolerances (Diameter: 5.8 mm, Height: 2.1 mm) for a flush, secure fit in tiny battery compartments.
• 0% Mercury – Made with 0% mercury, offering a more environmentally considerate choice for compatible applications.
• Broad Cross-Compatibility: Direct replacement equivalent for industry standards including 379, SR521SW, SR521, V379, SB-AC, and 280-59.

Specification

Model: 379 / SR521SW
Battery Type: Silver Oxide 
Voltage: 1.55 Volt