The Duracell CR2016 is a 3V lithium coin battery designed for reliable, long-lasting power in devices like key fobs, remote controls, glucometers, watches, and fitness trackers. With a 90mAh capacity, it features a non-toxic bitter coating to discourage swallowing and child-resistant packaging that requires scissors to open, enhancing safety. Guaranteed for up to 10 years in storage, it’s made with high-purity lithium for consistent performance. Equivalent to DL2016, ECR2016, and BR2016.