Duracell CopperTop Alkaline Batteries with Duralock,12V, 4/Pk Get long-
lasting, reliable power for the devices your business uses most. Batteries are
engineered to deliver just the right level of power for most electronic needs.
CopperTop batteries contain no added mercury and are rated for reliable
operation in extremes from -4F to 129F. Individually date-coded and up to
10-year freshness guarantee in storage. Battery Type: Alkaline; Battery Size:
12V; For Use With: Everyday Electronic Devices; Voltage: 12 V. CopperTop
batteries contain no added mercury and are rated for reliable operation in
extremes from -4F to 129F.