Energizer's CR1620 3V Lithium Coin Battery is a trusted and branded power source suitable for a wide range of electronic devices. With its 3V output, it's perfect for applications like watches, computers, calculators, torches, car keys, toys, weather clocks, and various digital devices. Count on Energizer's reliability and performance to keep your electronics running smoothly. Whether it's for everyday essentials or specialized gadgets, Energizer is the choice you can depend on.