Maxell 399 SR927W 1.55V Silver Oxide Battery - 1 Pack

Product Description

The Maxell 399 SR927W is a premium 1.55V high-drain silver oxide micro-battery engineered to deliver robust, uninterrupted power to feature-rich timepieces and electronic devices. Designed specifically for high-drain applications such as digital chronographs, watches with LED backlights, alarms, calculators, and medical instruments, this coin cell handles instant current bursts without voltage drops. Manufactured in Japan using leak-resistant sealing technology and an environmentally friendly 0% mercury chemistry, the Maxell 399 ensures exceptional reliability, high stability, and a long shelf life.

Key Features

• High-Drain Optimized (W Series): Specially engineered to handle power spikes required by watches with alarms, backlights, chronographs, and digital displays.
• Stable Power Output: 1.55V silver oxide chemistry maintains a flat, reliable discharge voltage throughout its service life.
• Advanced Leak-Proof Sealing: Built with precision structural seals to protect delicate movements and circuits from electrolyte leakage.
• Eco-Friendly Formulation: Made with 0% mercury, making it safe for the environment without sacrificing discharge performance.
• Broad Equivalency Compatibility: Direct replacement for cross-reference models including SR927W, 399, AG7, LR927, D399, V399, and 280-44.

Specification

Model: 399 / SR927W
Battery Type: Silver Oxide 
Voltage: 1.55 Volt