Maxell 379/SR521SW/V379 1BP Ag

Maxell 379 / SR521SW / V379 Silver Oxide Watch Battery (1BP)

The Maxell 379 / SR521SW / V379 is a high-quality silver oxide button cell battery designed to provide reliable and long-lasting power for wristwatches and other small electronic devices. With a stable 1.55 V output and low self-discharge, it delivers consistent performance for precision timepieces and miniature electronics.

Features

• Stable Voltage: 1.55 V silver oxide chemistry ensures reliable energy output.
• Long Service Life: Ideal for low-drain devices such as quartz watches.
• Compact Size: Small, lightweight coin cell suitable for miniature electronics.
• Mercury-Free: Environmentally safer construction with extended shelf life.
• Trusted Brand: Manufactured by Maxell for consistent quality.

Specifications

• Brand: Maxell
• Battery Type: Silver Oxide Button Cell
• Model: 379 / SR521SW / V379
• Voltage: 1.55 V
• Capacity: approx. 6–6.5 mAh
• Diameter: 5.8 mm
• Height: 2.1 mm
• Weight: approx. 0.14 g
• EAN: 4902580138129
• Packaging: 1BP (1 battery per blister pack)

Compatible Devices

• Quartz wristwatches
• Small electronic devices
• Calculators
• Medical instruments

Equivalent Battery Models

• 379
• SR521SW
• V379
• SR521W
• AG0 / LR521 (alkaline alternative)

Package Contents

1 × Maxell 379 / SR521SW / V379 Silver Oxide Watch Battery

Keywords

Maxell 379 battery, SR521SW watch battery, V379 silver oxide button cell, 1.55 V coin battery, watch battery replacement, SR521SW compatible battery, Maxell watch battery.