Help! Beeping fire alarm!? I have this fire alarm and we put brand investigational batteries...

I have this fire alarm and we put brand investigational batteries surrounded by it. Is is 9:00 at night and I can't hold doing this! When one goes sour, they all do! What do I do?

Tired here!
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Answers:    in recent times take the battery out of all of them
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Did you put battery in adjectives the alarms? If one alarm goes sour, it sends a signal to the others so they all stir off. The signal is a dignified frequency signal transmitted on the 120volt lines. If they all hold new battery one alarm may be defective and try disconnecting one at a time to see which one is bad.
Greenfly!!?