High performance with a long life.
Rayovac Lithium Batteries last longer than ordinary alkaline batteries, with higher energy density, wider operating temperature range, and lighter weight. Our lithium 9-volt battery is a consumer-replaceable battery that lasts on average 2 times longer than ordinary alkaline 9V batteries.
You can double your family's chance of surviving a house fire by having a working smoke alarm. And using the Rayovac 10-year smoke alarm battery in your ionization smoke detector will give you a working smoke alarm for years!
Instantly upgrade all your 9 volt devices with a long-lasting Rayovac 9V Lithium battery! See our FAQ page for a list of 9 volt devices.