Wootalyzer's Pricing Post! - The price of today's woot item is saved here for future reference
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DuPont Self-Charging Smoke Alarm - Three Pack
$9.99 + $5 Shipping
Condition: New

Product List:
- 3 DuPont PS-131 Self-Charging Smoke Alarm

*DISCLAIMER* Wootalyzer! is in no way affiliated with Woot!, and this post may not always be here!

So how do they work when the fire burns the wiring leading to your home before it gets inside the home?

Here's the link for Amazon. But there are no reviews yet. Still, smoke alarms are always a good investment.
http://www.amazon.com/DuPont-Self-Charging-Smoke-PS-131-Detector/dp/B001V6N95U/ref=sr_1_1?ie=UTF8&s=hi&qid=1240894843&sr=8-1

You know... as ironic as this may sound, if these can last forever, they could prove quite useful. No more of those annoying beeps when there is a low battery, that's for sure. Even if it only lasts twice as long, that feature alone make it well worth it in my book. :-)

This is actually pretty smart. Makes me feel less smart for not ever thinking of it...

That looks pretty cool. But how long does that charge last on it?

3 for tuesday? BONUS! Anyone know how well these work? How sensitive they are?

Anyone know how long it takes to charge the battery in one of these things?

ItsAaronnnn wrote:So how do they work when the fire burns the wiring leading to your home before it gets inside the home?

They charge a DC battery in the unit off the AC electric.

If you read the description, it says that it CHARGES from the light socket when you turn the light on, and stays charged for 30 days...

ItsAaronnnn wrote:So how do they work when the fire burns the wiring leading to your home before it gets inside the home?

How loud are these?

ItsAaronnnn wrote:So how do they work when the fire burns the wiring leading to your home before it gets inside the home?

The same way they work when the light isn't turned on, rechargeable batteries inside the unit.

drewy813 wrote:That looks pretty cool. But how long does that charge last on it?

It says 30 days on a fully-charged battery.

Interesting, but what happens if the power goes out? Does it have a certain amount of time before it's rendered useless? Ah, answered above.

Ok, what about the energy use? will it interfere with fluorescent replacement bulbs?

I personally trust batteries more.

I was just about ready to buy this...until I realized the house I'm living in right now has no ceiling fixtures...and I'd rather not carry around more stuff for when I move than I already have...

Froogle
I guess we are saving a buck

$7.99 each


http://www.toolsnow.com/browse.cfm/4,2474.htm

What it will happenn if you have a black out?? does the fire alarm still will be working?? So, if that doesn't have a backup battery you will be burn to death.......

ItsAaronnnn wrote:So how do they work when the fire burns the wiring leading to your home before it gets inside the home?

"self-charging" I'm guessing there is a battery so when the fire burns your wiring, it's running off of battery power...

Seems like a good idea, but all my ceiling lights have covers to hide the bulb- I don't see how one could use a cover with these so you would have a bare bulb sticking out.

drewy813 wrote:That looks pretty cool. But how long does that charge last on it?

Sez right there in the description; "30 days"

pretty awesome, and cheap to boot. better than using those sticky squares or driving a nail into the ceiling to hang up the alarm.

I mean, I know it says 30 days, but with all the charging not complete b.c. the lights not on long enough.. How long does the full charge take too?

These actually sound like a great idea, but is anyone familiar with how sensitive they are? I had to get rid of my last smoke detector because it went off every time I opened my oven (even with the fan on).

It seems like a neat idea, but how many people have bare bulbs in their living area ceiling fixtures?

I was going to jump, but then I realized that I can't think of a place where these could be properly installed.

ItsAaronnnn wrote:So how do they work when the fire burns the wiring leading to your home before it gets inside the home?

As long as the fire burns through the wires less than a month before it gets inside your home, the battery will power the alarm, as long as the battery was fully charged.

Where do people put these? In lamps? Because I just looked at my overhead light fixture, and I'm not sure it would fit vertical to the ceiling....

?

SkekTek wrote:Interesting, but what happens if the power goes out? Does it have a certain amount of time before it's rendered useless? Ah, answered above.

Ok, what about the energy use? will it interfere with fluorescent replacement bulbs?

I personally trust batteries more.

Read. It holds a charge.

What clever devices!

So clever, I might buy 3 sets to share!

drewy813 wrote:That looks pretty cool. But how long does that charge last on it?

Says in the Info, 30 days fully charged.
Kinda neat product.

SkekTek wrote:Interesting, but what happens if the power goes out? Does it have a certain amount of time before it's rendered useless? Ah, answered above.

Ok, what about the energy use? will it interfere with fluorescent replacement bulbs?

I personally trust batteries more.

I'd guess 30 days. ;) :P

Remember:

Not to be used in table lamps, floor standing lamps or ceiling fans

2 Amazon reviews for similar unit

So you'd have to stare into the glaring light of a bare lightbulb? I can't see where this item would be functional.

azsteved wrote:Froogle
I guess we are saving a buck

The $10.99 price on Froogle is for ONE. Woot is offering 3 of these for $9.99!

There are no batteries. But they hold a charge for 30 days.

At one time these sold for $39.99 each.

Here's the PDF manual for them:
http://www2.dupont.com/Home_Safety/en_US/assets/downloads/PS131%20Manual.pdf

product manual

If the rechargeable batteries die (don't take a charge) ... Are the rechargeable batteries replaceable?