Maxell CR1620 Lithium Coin Battery 3V, Designed for use in car Key fobs, Scales, wearables and Medical Devices The CR1620 battery is a compact, coin-shaped lithium battery widely used in various small electronic devices. Here are some common applications: Wristwatches: Provides reliable power for both digital and analog watches Car Key Fobs: Powers remote keyless entry systems for cars, ensuring your vehicle’s security features remain functional. Fitness Trackers: Keeps fitness bands and activity monitors operational, allowing you to track your health and fitness activities accurately. Medical Devices: Used in devices such as glucose meters, digital thermometers, and blood pressure monitors, offering dependable power for health monitoring. Toys and Games: Powers small electronic toys, handheld games, and other battery-operated children’s products. Remote Controls: Suitable for remote controls used in cameras, televisions, and other electronic appliances. Calculators: Ensures that compact calculators function efficiently for prolonged periods. Car Alarms: Provides power for car alarm systems, enhancing vehicle security. Hearing Aids: Occasionally used in certain models of hearing aids for reliable and long-lasting performance. Electronic Scales: Powers digital kitchen and bathroom scales for accurate measurements.