Specification of HoootCell A27 12V Battery designed to provide long-lasting power for various devices in your home. With a stable voltage and leak-free design, 27A battery are perfect for use in doorbells, remote controls, fire alarms, ceiling fan remotes, and garage door openers.  With 3-year shelf life, you can stock up the batteries without worrying about them losing their potency in short time.  Whether you need a reliable power source for your doorbell or want to ensure your remote control not runs out of juice, our A27 batteries Would be a good choice for you. These alkaline batteries offer a high capacity power, allowing you to enjoy extended use without frequent replacements. Don't let a dead battery interrupt your daily routine – keep your home small electronics devices running smoothly with our reliable A27 batteries.