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2. Smoke detector - Wikipedia

   en.wikipedia.org/wiki/Smoke_detector

   In 1995, the 10-year-lithium-battery-powered smoke alarm was introduced. [10] Design. Smoke can be detected using a photoelectric sensor or an ionization process.

3. How to reset a smoke alarm that won’t stop beeping - AOL

   www.aol.com/reset-smoke-alarm-won-t-205535790.html

   $19.99 at Amazon . If you have a hard time remembering to replace your smoke alarm’s battery each year, the Kidde Smoke Detector can help. Its 10-year lithium battery doesn’t need to be replaced.

4. The Best Place to Put Your Smoke Detector (Plus 3 Spots ... - AOL

   www.aol.com/lifestyle/best-place-put-smoke...

   Replace smoke detectors at least every 10 years: Don't place your life in the hands of an outdated smoke alarm. For the most part, you can plan on replacing your smoke detector at least every 10 ...

5. David Hahn - Wikipedia

   en.wikipedia.org/wiki/David_Hahn

   An episode of the CBS series Young Sheldon features the protagonist attempting to build a nuclear reactor by extracting americium from smoke detectors. Episode 6 of season 6 of Mysteries at the Museum features a segment about Hahn's nuclear experiment entitled "Radioactive Boy Scout" which originally aired October 24, 2014.

6. First Alert - Wikipedia

   en.wikipedia.org/wiki/First_Alert

   On September 4, 1992, BRK recalled all hardwired smoke alarms under the series 1839I and 2839I due to testing programs determining that corrosion could form on the alarm horn's electrical contacts, causing the piezo to fail to make any noise. [6] In May 2006, First Alert combination smoke alarms were recalled due to draining batteries rapidly. [7]

7. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   For example, a CR123 battery is always LiMnO 2 ('Lithium') ... Smoke alarm battery Square battery Transistor battery ... (3.0 mA) and long shelf life (up to 10 years ...