The Duracell CR2025 is a 3V lithium coin battery engineered for dependable, long-lasting power in devices such as key fobs, remote controls, heart rate monitors, glucometers, and watches. With a 165mAh capacity, it features a non-toxic bitter coating to deter swallowing and child-resistant packaging requiring scissors to open, prioritizing safety. Guaranteed for up to 10 years in storage, it uses high-purity lithium for consistent performance. Equivalent to DL2025, ECR2025, and BR2025.