Coppertop DURMN16B4DW Duracell Value Batteries 9V

The Duracell DURMN16B4DW is a Coppertop Value battery, MN16B4DW, in 9V size, supplied 4 per pack with 12 packs per case.

The 4-pack of 9V cells has a specific and predictable buyer: someone changing every smoke alarm in a house at once. That is precisely the recommended practice — alarms are installed together, they age together, and changing them as a set on a schedule is how the system stays reliable rather than degrading one alarm at a time.

Most homes have between two and five alarms, which is exactly what a 4-pack addresses, and it is why this format sells hardest around the daylight saving changeovers when the public message to change smoke alarm batteries goes out.

The Value designation reflects the lower cost per cell in a larger pack.

Beyond smoke and CO alarms, 9V serves test equipment, multimeters, wireless microphones, guitar pedals, and instrumentation — but alarms are the volume application by a wide margin.

Worth knowing about the format: a 9V is not a single cell. It contains six 1.5 V cells in series inside the rectangular case, which is how the voltage is produced. That construction is why 9V cells are physically larger than their capacity suggests.

Applications include residential and commercial smoke and CO alarms, facilities maintenance, test and measurement, and audio equipment.

Users include households, landlords, property managers, facilities departments, and fire safety contractors.

Brand

Coppertop

SKU

DURMN16B4DW

Category

General Supplies

Weight

0.48 lbs

Dimensions

3.80 x 1.40 x 4.50

Price

$18.00

Availability

In stock

Rating

4.06 / 5.0