Aa lithium batteries for smoke detectors10/12/2023 ![]() So I think all I'd need to do is take that thing off, and then on the new alarm, attach white to white, black to black, and red to red/(copper)? Just out of curiosity, are the backings a fairly standard size, or probably I'll need to remove that too? I believe the little extra part that's connected to the wires is a little thing that plugs in to the old alarm. I have about six of these fixtures throughout my house. Yes, the old alarm backings already have the wiring for plug-in ones, as well as the third interconnected wire. Īs a side note, I teach this topic in cooperation with a local fire department, and this is the first time I've seen AA powered detectors. If you don't already have a mounting spot for the alarms, there is placement information here. Wall-plug CO detectors without battery back-up are old and should generally be replaced.įor replaceable battery models, I prominently mark the expiration date on the battery door so they aren't still being used 20 years later and full of dust. Stand-alone CO monitors are usually 8-10 year lifecycles as well depending on manufacturer. I did find a First Alert AA battery model that includes CO monitor, so that may be what you have. You should also have Carbon Monoxide (CO) detectors either separately or integrated with the smoke detector. The landlord should be considering this, but sometimes will just go with what's cheap.Īs the other poster said the alarms have a 10 year life span for the detector, regardless of battery changes and type. Check behind the existing detectors to see if there is wiring for plug-in connectors, particularly if there is a third wire for interconnected alarms that will all sound together in an event. Looks like it is the photoelectric type.Īs u/Rcarlyle said, permanent battery smoke detectors are great. I finally found the model of the ones LL sent me, it is this alarm. (Btw that was just specifically about the kitchen, he also suggested having both types for the rest of the house.)ĭefinetely going to look in to the dual-sensor detectors now. Maybe he's anticipating different false alarm scenarios than what you have in mind? When I heard him talk about the differences between the two types, tbh it also seemed like the ionization would be better for a kitchen, because he said the ionization ones are "not as good for a smokey fire" (which is what I imagined would be more common in a kitchen.) so I was surprised when he suggested the opposite. Whereas he said the photoelectric ones are less prone to false alarms from things like burnt toast, so those are better for the kitchen. photoelectric stuff, but he actually said it opposite - he said you don't want to mount the ionization ones near the kitchen or bathroom, so you can avoid false alarms. ![]() ![]() I found this youtube video which is talking about different types of smoke alarms.
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