Pack of 1 Duracell 4LR61/J alkaline batteries
Duracell's long-lasting and reliable special batteries can be used in a wide range of applications, such as medical devices (blood glucose meters, heart rate monitors), security-related devices (bank card readers) and other electronic devices (watches, clock radios, pedometers, etc.). Duralock Power Preserve technology also keeps the batteries charged for up to 5 years in storage. This means that the desired power is available at all times.