9-Volt Alkaline Batteries, 9 V, 662 mAh, Multipurpose, Nonrechargeable, 2 Pack, 2 EA/PK

This alkaline, manganese dioxide batteries are great for use with clocks, radio controllers, walkie talkies, smoke detectors, calculators, radios and other electronic equipment. It frequently lasts more than twice as long as the same-size, carbon-zinc heavy-duty battery, depending on type of use. Nonrechargeable 9-volt batteries are rectangular-shaped with snap terminals.