Duracell Copper & Black 2450

Duracell Lithium Coin batteries deliver reliable, long-lasting power for small electronic and medical devices. Engineered for consistent performance, they are ideal for key fobs, glucose monitors, thermometers, watches, and more. Featuring a 10-year storage guarantee, these batteries are ready when you need them. Duracell coin cells also include child safety innovations such as bitter coating and child-secure packaging for added peace of mind.