Designed for SureFire flashlights, SureFire 123A high-performance lithium batteries deliver a lot of power in a compact size. Unlike alkaline batteries, they have a 10-year shelf life, ensuring they're ready when you need them, every time. Rely on the power and durability of SureFire batteries.

KEY FEATURES:
High-Performance Batteries, Optimized for High-Drain Flashlights | Wide Temperature Tolerance | Built-In Heat and Fault Protection