ANSMANN Smoke Detector Battery [Pack of 8] Square 9V E-Block Batteries For Smoke/Fire Alarm With 7 Years Life Time

PACK OF 8: This pack consists of 8 x 9V Block size ANSMANN Smoke Alarm alkaline batteries. These batteries have been successfully tested for electrical, thermal, geometric and mechanical requirements; LONG SHELF LIFE: The shelf life of these batteries is up to 7 years meaning the battery can remain in storage for up to 7 years without losing any of its capacity. These batteries power your smoke detector with just the right voltage and capacity; EFFICIENT USAGE: These 9V batteries have great efficiency and longer battery life and can be used in the temperature range from -10°C and + 50°C making them ideal for unheated barns, garden shed, treehouse or a hot attic floor