Rayovac, RAYR9VL1, 9V Lithium Battery, 1 Each

This lithium battery lasts longer than ordinary alkaline batteries with higher energy density, wider operating temperature range and lighter weight. Consumer-replaceable battery lasts on average two times longer than ordinary alkaline 9-volt batteries. Using this alarm battery in your ionization smoke detector will give you a working smoke alarm for years. Rayovac 9V Lithium Battery, 1 Each (Quantity)

Lasts longer than ordinary alkaline batteries Wide operating-temperature range Lighter weight Dependable for years