CR1632 Lithium coin batteries are commonly used in car keys, glucometers, cameras, electric thermometers, calculators, toys, electronic watches/clocks, etc. Also known as: DL1632, BR1632, KL1632, L1632, ECR1632, KCR1632, E-CR1632, KECR1632. Dimensions: H - 3.2mm x W - 16mm.