Rayovac Lithium 9V Size Battery Replaced by energizer 

One carded 9V 1-Pack Lithium Battery, 9 Volts

Lasts 2 times longer than alkaline in most other applications

Ideal for smoke detectors, parking meters, home security devices, emergency exit alarms, baby monitors, and more

Rayovac 9V lithium batteries come in aluminum housing which provides more power than 9V lithium batteries that come in plastic housing

Wide operating range, high energy density, and light weight

Rayovac Lithium Batteries last longer than ordinary alkaline batteries, with higher energy density, wider operating temperature range, and lighter weight.  This reduces the hassle of changing batteries in 9V devices that are used often.  This gives consumers peace of mind as a working smoke alarm doubles the chance of survival in house fires. Rayovac is a trusted brand of Spectrum Brands Holdings, Inc., a top manufacturer of consumer batteries in the United States and Latin America.