Energizer MAX Alkaline Batteries, 9V, 2 Batteries/Pack Dependable, long-
lasting performance in a wide range of devices. Makers of the world's first
zero mercury AA alkaline (commercially available since 1991); battery can be
disposed with regular household trash. 10-year shelf life. Battery Type:
Alkaline; Battery Size: 9V; Voltage: 9 V; Material(s): Alkaline Manganese
Dioxide. Long-life alkaline.