DURACELL® Specialty Alkaline Battery, 2-PacK, DURMN21B2PK09, 21/23

Duracell MN21 / A23 alkaline batteries deliver long-lasting, reliable high-voltage power for devices that require consistent performance. Backed by Duracell—the #1 trusted battery brand—these batteries are engineered with a stable voltage response, low self-discharge, and dependable operation across a wide temperature range. Designed to meet major global quality, safety, and environmental standards, Duracell MN21 / A23 batteries provide power you can trust for everyday and security-focused applications.

FEATURES

• Reliable High-Voltage Performance: Provides stable voltage output throughout most of the battery’s life for consistent device operation.
• Long Shelf Life & Low Self-Discharge: Retains power during storage with less than 10% self-discharge after one year at room temperature.
• Durable & Corrosion-Resistant: Engineered for long operating life with excellent resistance to corrosion and environmental wear.
• Quality & Safety Certified: Meets major international quality, safety, and environmental standards including IEC, RoHS, REACH, and ISO 9001.