Is this a good choice for smoke detectors?

It depends on whether your smoke detector is wired into the house wiring and the battery is just a backup, or if the battery is the only power source. If the battery is a backup to household power, a standard heavy duty (Non-alkaline) is best and also much cheaper, but needs to be replaced yearly. If the battery is the only power source, an alkaline battery like this is a good choice. Smoke detectors that are household wired and use the battery as a backup need a higher peak voltage to keep them from the occasional chirp sound that drives my dog crazy. A fresh/new heavy duty (non-alkaline) battery puts out over 10 volts and will easily last a year onder the light load of a smoke detector. A fresh/new alkaline battery will only put out about 9.4 - 9.5 volts, but it will handle a greater load for a longer time. My house wired smoke detectors start chirping at just under 9.4 volts, so my dog hates it if I use alkaline batteries in them.

Anybody know the mah rating of these?

The box nor battery have MaH. There are charts of their website for specs and usage, but no MaH. http://ww2.duracell.com/media/en-US/pdf/gtcl/Product_Data_Sheet/NA_DATASHEETS/PC1604_US_PC.pdf

what is the expiry date

The batteries I purchased in 1/2015 have a 3/2019 expiration date. It all depends on what seller you use.

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Duracell Procell Alkaline Batteries, 9V, 12/Box

Duracell Procell Alkaline Batteries, 9V, 12/Box

Product ID: 418252266

Details

Battery Capacity
9 Volts
Battery Cell Composition
Alkaline
Brand
ProCell
Item Weight
0.61 Pounds
Item dimensions L x W x H
11.4 x 5.1 x
Net Quantity
12.0 Count

B/.490

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In stock

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Description

Duracell Procell batteries deliver outstanding performance and reliability. These batteries are long lasting and dependable-even after seven years of storage and offer economical bulk packaging for professional applications. Review: good afordable battery - as a musician I use these 9 volts for pedals or smoke detectors.this last batch,the power drops fast ,used fade out more slowly but still good value! Review: Duracell Procell Alkaline Batteries, 9V, 12/Box - I was happy with the general transaction. My only comment is that the self life on the batteries is June 2024. A lot of the batteries I have ordered have a shelf life of 2028+ So it seems like it may be old stock ?

Specifications

ASIN	B00009V2QZ
Antenna Location	Smoke Detectors
Battery Capacity	9 Volts
Battery Cell Composition	Alkaline
Battery Cell Type	Alkaline
Brand	ProCell
Brand Name	ProCell
Customer Reviews	4.7 out of 5 stars 1,526 Reviews
Global Trade Identification Number	00041333526485
Item Dimensions	11.4 x 5.1 x 0.5 Centimeters
Item Weight Unit of Measure	0.61 Pounds
Model Number	DURPC1604
Net Quantity	12.0 Count
Number of Batteries	12 Product Specific batteries required.
Recommended Uses For Product	Smoke Detectors
Reusability	Single Use
UPC	041333526485
Unit Count	12.0 Count
Voltage	9 Volts

Reviews

C**S

good afordable battery

as a musician I use these 9 volts for pedals or smoke detectors.this last batch,the power drops fast ,used fade out more slowly but still good value!

28.07.2023

R**Y

Duracell Procell Alkaline Batteries, 9V, 12/Box

I was happy with the general transaction. My only comment is that the self life on the batteries is June 2024. A lot of the batteries I have ordered have a shelf life of 2028+ So it seems like it may be old stock ?

8.12.2019

C**.

Baterías de 9V

De las mejores baterías que puedas encontrar

2.10.2024

B**E

*** Great Product ***

26.01.2026

D**T

Great value and excellent performance

Our entire family uses these based off their performance in our homes, as well as one of our family members that uses them at work. Great value and long-lasting, I recommend them to my friends. The value pack allows you to replace all the 9v in our smoke alarms at once, with enough left over to do it at the next solstice and crafts/other needs along the way.

25.12.2025

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B/.490

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Panama.

Secure transaction

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