Maxell 329 SR731SW 1.55V Silver Oxide Battery - 100 Pack

Product Description

The Maxell 329 (SR731SW) is a premium 1.55V silver oxide button cell battery engineered for precise, long-lasting power in low-drain devices. Manufactured in Japan using advanced silver oxide micro-battery technology, it delivers a flat discharge curve to maintain an exact voltage output throughout its service life. Designed primarily for standard analog quartz watches, small electronic instruments, calculators, and medical devices, this compact battery features Maxell’s proprietary anti-leak seal to protect sensitive timepieces and equipment.

Key Features

• Stable Power Output: Delivers a continuous, stable 1.55V output over its lifetime, preventing slow timekeeping in quartz timepieces.
• Low-Drain (SW) Chemistry: Specifically optimized to provide low, consistent power draw over extended periods, maximizing operational life.
• Superior Leakage Resistance: Utilizes Maxell’s proprietary leak-resistant sealing technology to protect sensitive electronics against electrolyte leakage.
• Mercury-Free Option – Maxell 329 SR731SW is designed as a 0% mercury silver oxide battery, providing a more environmentally considerate choice for compatible applications.
• Long Shelf Life: Maintains nominal capacity over extended storage periods with low self-discharge rates.
• Made in Japan: Produced under strict precision quality control standards.

Specification

Model: 329 / SR731SW
Battery Type: Silver Oxide 
Voltage: 1.55 Volt