Duracell Keyless Entry Batteries Duracell Coppertop 12 Volt alkaline battery is designed for use in household items like car alarms, key fobs, GPS trackers, remote controllers and more. Duracell Specialty Alkaline batteries are designed and developed for long lasting quality performance. Duracell Specialty Alkaline batteries provide durable value are guaranteed for 5 years in storage. . Pack of 6