Maxell 348 SR421SW 1.55V Silver Oxide Battery - 10 Pack

Product Description

The Maxell 348 SR421SW is an ultra-compact, premium 1.55V silver oxide micro battery specifically engineered for precision timepieces and delicate micro-electronics. Utilizing advanced Silver Oxide (Ag2O) chemistry, this watch battery delivers an exceptionally stable, flat voltage discharge curve throughout its entire service life. Designed with Maxell's leak-resistant sealing technology, the SR421SW ensures maximum safety, preventing corrosion and damage to delicate internal watch movements, calculators, and small electronic sensors.

Key Features

• Stable 1.55V Output: Provides uniform, continuous voltage necessary for precision timekeeping and accurate electronic operations.
• Micro-Size Footprint: Compact 4.8 mm diameter and 2.15 mm height designed for ultra-thin analog and digital watches.
• Low Self-Discharge Rate: Retains power reliably during storage, ensuring extended operating life once installed.
• Leak-Resistant Construction: Built with an advanced anti-leak seal to protect sensitive internal circuitry and watch mechanisms from damage.
• Mercury-Free Formulation: Eco-friendly design compliant with international environmental safety standards.
• Cross-Brand Compatibility: Direct replacement for standard 348, SR421SW, SR421, V348, and 348A watch batteries.

Specification

Model: 348 / SR421SW
Battery Type: Silver Oxide
Voltage: 1.55 Volt