Sr54 Battery

The SR54 battery, a silver oxide button cell, is a critical component in the precision electronics market, particularly for analog watches and small medical devices. Current market dynamics show a strong shift toward mercury-free production and multi-drain technology to streamline supply chains.

Technical Specifications & Compatibility

The SR54 is defined by its silver oxide chemistry, providing a stable 1.55V output essential for accurate timekeeping. BatteriesinaflashMaxell

* Standard Size: 11.6 mm (Diameter) x 3.05 mm (Height).

* High-Drain (389 / SR1130W): Optimized for devices with high peak power needs like backlights or alarms. Batteriesinaflash

* Low-Drain (390 / SR1130SW): Designed for standard analog watches requiring a steady, low-energy pulse. Batteriesinaflash

* Alkaline Alternative (LR54 / AG10): A lower-cost, lower-capacity equivalent (1.5V) often used in toys and calculators. BatteriesinaflashMaxell

Market Trends & Insights (2025–2026)

The global watch battery market is projected to reach $174 billion by 2026, with button cells maintaining a steady 5.95% CAGR through 2035. GrayBusinessresearchinsights

* Multi-Drain Innovation: Leading manufacturers like Energizer and Renata are replacing separate high/low drain stocks with "Multi-Drain" cells that serve both the 389 and 390 requirements. Batteriesinaflash

* Regulatory Compliance: Global legislative bans on mercury are making mercury-free silver oxide cells the mandatory industry standard. Batteriesinaflash

* Supply Chain Focus: The Asia-Pacific region remains the dominant manufacturing hub, driven by major players such as Maxell, Sony, and Panasonic. Businessresearchinsights

Wholesale Sourcing Overview

The following data reflects current wholesale availability for SR54-sized cells (including silver oxide and alkaline equivalents) from verified suppliers.