Murata 391/381 SR1120SW 1.55V Silver Oxide Battery - 4 Pack

Product Description

Power your timepieces and compact electronics with the versatile Murata 391/381 SR1120SW 1.55V Silver Oxide Battery. Built with Murata's precision micro-battery engineering, this dual-compatible cell is designed to replace both 391 (high-drain) and 381 (low-drain) battery models. It provides a flat, stable voltage output that keeps analog timepieces, digital displays, laser pointers, and small medical devices running reliably. Featuring advanced leak resistance and zero mercury content, it delivers long shelf life and dependable energy density without risking damage to high-value equipment.

Key Features

• Dual High/Low Drain Capability: Multi-drain construction works seamlessly in standard timepieces as well as devices requiring high-current pulses (backlights, alarms).
• Stable 1.55V Output: Delivers constant, reliable voltage to ensure high timekeeping accuracy and smooth electronic function.
• Leak-Resistant Technology: Engineered with specialized seals to prevent battery fluid leakage and protect delicate internal components.
• Mercury-Free Formulation: Eco-friendly composition with 0% added mercury
• Broad Replacement Compatibility: Directly replaces equivalent battery codes including 391, 381, SR1120SW, SR1120W, SR1120, V391, V381, D391, and D381.

Specification

Model: 391/381 (SR1120/W/SW)
Battery Type: Silver Oxide
Voltage: 1.55 Volt