The Grundig CR2025 is a lithium coin cell battery designed to provide reliable power for a variety of small electronic devices. With a nominal voltage of 3V and a capacity of 150mAh, these silver-colored cells are commonly used in car keys, remote controls, watches, and pocket calculators, as well as electronic scales and other portable gadgets. Each battery measures 20.0 mm in diameter and 2.5 mm in height, fitting precisely into standard slots for this model. This set comes in a blister pack containing 5 batteries, weighing 11 g in total with package dimensions of 54 x 5 x 208 mm, ensuring you have several spares on hand for your household electronics.