Get the most from your essential devices with the reliable, long-lasting power you’d expect from Energizer alkaline batteries. Stock up on batteries for smoke alarms and shavers, as well as batteries for doorbells. This pack is also a great choice if you need a trustworthy torch battery. Each Energizer 9V battery holds power for up to 5 years while in storage. With Energizer, the power’s ready when you are. Depend on the power of Energizer 9V alkaline battery.