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Old 07 June 2007, 10:50 PM
Silas Sparkhammer's Avatar
Silas Sparkhammer Silas Sparkhammer is offline
Join Date: 22 September 2000
Location: San Diego, CA
Posts: 26,843

Originally Posted by SALAManda View Post
Smoke detectors use radioactive material to detect smoke: Perhaps some types of battery have substances inside that are also mildly radioactive, affecting the detector's performance?
Afraid not. The ugly truth is that the manufacturer of the alarm has signed an endorsement agreement with a battery manufacturer, getting money in return for their naming of a battery brand.

Voiding the warranty would not stand up in court in the U.S. If the smoke detector manufacturer recommended "Duracell" and I used "Energizer," and they tried to void the warranty, not only would the consumer have a strong claim against would Energizer!

Also, the UL would step in and threaten to remove their approval from the manufacturer, since both Duracell and Energizer are UL approved.

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