Rayovac ROVAL9V-12 Ray-o-VAC Battery Alkaline 9 volt

The Rayovac ROVAL9V-12 is a 9 volt alkaline battery, 12 per pack and 12 packs per case.

The 9 volt battery survives in a world of AA cells for a specific reason: voltage. Most electronics run on cells in series, but some devices need the voltage in one package — smoke detectors, test meters, and a long tail of instruments designed decades ago around exactly this format.

Smoke detectors are the application that matters and they are worth a word. A 9 volt in a smoke detector is not a convenience item; it is the thing that makes the detector work. The chirp that means a flat battery is one of the most reliably ignored sounds in any building, and the detectors found dead after fires are almost always dead for that reason. A case of 9 volts on a facility's shelf means the chirp gets answered rather than the detector being unhooked.

Alkaline is the chemistry: good shelf life, good capacity, and it leaks when fully discharged and left in place. That is the failure mode worth knowing — a flat alkaline left in a meter for a year destroys the contacts.

The 12 per pack, 12 packs per case quantity is facility supply.

Applications include smoke detectors, test equipment, and instruments.

Brand

Rayovac

SKU

ROVAL9V12

Category

General Supplies

Weight

1.29 lbs

Dimensions

4.00 x 3.00 x 2.00

Price

$33.00

Availability

In stock

Rating

4.5 / 5.0