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Question About First Alert Smoke Alarm SA303
Changing the Battery...

How do I open the door of the battery compartment? Thanks.

Asked by Dave on 12/14/2008 4  Answers

ManualsOnline posted an answer 15 years, 9 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

dave posted an answer 14 years, 3 months ago

0 I am replacing the battery in a First alert SA303. It says to use battery specified but lists no numbers. I went to google and it just says to use a 9 volt alkaline. Makes sense to me; as long as it doesn't leak and has a relatively long life and is geometrically compatible . Other than that, a battery is a battery. Any other suggestions?
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dave posted an answer 14 years, 3 months ago

0 I am replacing the battery in a First alert SA303. It says to use battery specified but lists no numbers. I went to google and it just says to use a 9 volt alkaline. Makes sense to me; as long as it doesn't leak and has a relatively long life and is geometrically compatible . Other than that, a battery is a battery. Any other suggestions?
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MICHAEL posted an answer 13 years, 11 months ago

0 Your Smoke Alarm requires one standard 9V battery. The following batteries are acceptable as replacements: Duracell #MN1604, (Ultra) #MX1604; Eveready (Energizer) #522. You may also use a Lithium battery like the Ultralife U9VL-J for longer service life between battery changes. These batteries are available at many local retail stores
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