High-output tactical electronics demand a power source designed for sustained current draw, not the inconsistent output of consumer alkaline cells. Engineered specifically for high-drain devices like tactical flashlights and weapon lights, the SureFire 123A Lithium Batteries (2-Pack) eliminate voltage sag under load, ensuring stable performance when you need it most.
Unlike budget alternatives that dim or cause electronics to reset, SureFire’s lithium chemistry maintains a flat discharge curve and includes integrated fault protection to prevent overheating. These batteries offer a 1,550 mAh capacity and resist leakage across extreme temperature ranges, making them ideal for field deployment. With a ten-year shelf life, they are engineered for immediate, reliable activation during emergencies.
Key features:
- Lithium Chemistry: Stable high-drain voltage output — Flashlights maintain full lumen output instead of dimming under load.
- Flat Discharge Curve: Consistent voltage delivery — Electronic optics, lasers, and GPS units avoid brownouts or resets.
- Internal Fault Protection: Integrated safety circuitry — Reduced overheating or short-circuit risk in demanding equipment.
- Ten-Year Shelf Life: Lithium chemical stability — Reliable long-term storage for emergency kits and professional gear.
Technical Specifications
- SKU: SF2-BB
- Battery Type: 123A Lithium (Non-rechargeable)
- Voltage: 3 Volts
- Capacity: 1,550 mAh (4.65 Wh)
- Weight: 17 grams per cell
- Shelf Life: 10 Years
In real-world use, reliable battery performance often determines whether critical gear works when needed. Lithium cells resist corrosion and leakage during long storage periods, protecting expensive electronics from internal damage caused by degraded alkaline batteries. Their wide operating temperature tolerance also allows them to maintain output in cold environments where conventional batteries lose efficiency.
For professionals, hunters, and prepared households, consistent electrical output is the difference between dependable equipment and unpredictable performance. High-drain devices such as tactical lights and IR illuminators are specifically designed around lithium power standards, making quality CR123A cells essential for maintaining rated output levels.
When reliability matters, source your batteries from a trusted supplier. Smoky Mountain Knife Works provides genuine equipment designed to meet professional performance standards, ensuring your lighting and electronics perform exactly as intended when activated.