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Can anyone tell me

why the batteries on a smoke detector/carbon monoxide detector can ONLY run out in the wee hours of the morning?  I would be willing to bet money that a smoke/CO detector has never started the low battery beep at 3:00 *PM.*  I'm fairly certain they have a photocell and a chip that only allows them to do the low battery chirp after it has been full dark for a minimum of four or five hours.

Yep.  3:38am.

Aw, bugger.  Did I really hear that?  Maybe not.  I'll just go back to...
God-damned, mother-loving... I'm coming, I'm coming.  Now, which one is it?  Whose brilliant idea was it to have one of each on every floor?  Oh yeah - that was me.
AHA!  Gotcha, you bastard.  Now - read the directions... four rapid beeps for a warning, one beep every thirty seconds for low batteries...
I know, I KNOW, gimme a sec, it's 3:30 in the goddamned morning... there - batteries are out.  I should go downstairs and put new batteries in.  Damn it, it's going to scream at me when I snap the last one in - I remember that from last time, I almost had a heart attack.  And I'm going to have to turn on a bunch of lights to dig out three AA cells.  And it's 3:30 in the bloody morning.  Honest to God, I've got CO detectors all over this house.  It can wait for tomorrow afternoon.  I'm going back to bed.

Now ask me when I finally got back to sleep.  Go on - ask me.  That's right - 5:30.  Right before Bob's alarm went off.  Because I get a HUGE adreneline dump from that sound.  Which I'll grant you IS the idea.  Mind you - I'm the ONLY one in the family who does.  Tonight I will put fresh batteries in everything, and maybe I'll get some sleep.



Mar. 5th, 2012 09:24 pm (UTC)
You've ruined my theory, but I'm beyond delighted to know that it's possible. Of course if I'd change the batteries every six months like I'm supposed to, this wouldn't happen.

The first item on tonight's "to do" list is "change detector batteries.
Mar. 5th, 2012 10:24 pm (UTC)
I meant *my* theory was ridiculous. (That maybe the batteries run out in relation to what time of day they're put in.) :)

I waited until it beeped to change mine, too...it went in about two years ago, heh. (Runs on a 9V battery.)
Mar. 6th, 2012 05:27 pm (UTC)
And I meant that my theory that it's not actually *possible* for them to go while people are awake is blown. Which gives me hope for next time.

I changed them ALL last night, so I should be off the hook for a while.