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Unexpected Button Battery Source

Outlawmws

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My Digital calipers goes though batteries really fast (2-3 months each?) which is annoying to say the least.

Last night I picked up a new LED dome light, and it had that "test it" feature. I knew it had a battery, but wasn't thinking about how they would get 12V to the device.

Well there was a little black box, Not to mention the momentary switch...) hidden and hooked up (Soldered? :dunno:) to the bulbs terminals. (I had to clip off the wires to install the dang thing...)


Got home and popped the black box opened. "and what to my wondering eyes appeared" (Hey, Tis the season...) was ten AG13 button cells! (not to mention a perfectly good, used once, Momentary switch...)

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I think the LED bulb was basically free, since there was more than the cost in batteries and the switch to Demo the thing!

It turns out those are the same Cells my Calipers eat like candy! so I now have a nice supply, and even in a handy storage box! even if these are low grade and don't last a long time.

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So if you use a lot of these, batteries, you can get some for free with purchase!

I'm pretty sure I can use a few of the moments switches as well...

Not sure how long they will package like this; They will probably drop it once people gain confidence in the LED bulbs.

(This DOES emphasis how cheap both the LED bulbs and the batteries are to manufacture...)

ps: The size of battery may differ depending on the device, so YMMV... (But I suspect they picked the most common (cheap) battery there was...)
 

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CoopVA

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Wow! That's pretty cool! That's like $4+ worth of batteries...


Sent from my iPad using Tapatalk
 
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Jason280

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You can order the batteries off eBay for dirt cheap...I think I picked up a dozen for under $5 or so delivered.
 

ishiboo

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Yeah. I don't know a lot about calipers but I wouldn't put those crappy batteries in anything worth money.
 
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Outlawmws

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You can order the batteries off eBay for dirt cheap...I think I picked up a dozen for under $5 or so delivered.

Try buying them full retail; I just dropped almost $30 on FIVE individually packaged batteries... (not this size unfortunately)
 
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Ign

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The stuffed toys that talk or growl or whatever when the right area is pressed tend to have 3 of these cells to power the speaker.

Incidentally I just saw a Monsters Inside Me where a toddler swallowed one of these (I imagine it was the larger 2032-type cells). I always worried about this when giving my dogs stuffed animals with speakers but figured the battery would likely just pass thru. Wrong, it tends to lodge in the body and arc, slowly burning thru tissue until it falls into the next area and starts burning thru again. So, don't swallow any of those batteries (I know you were planning on it :D)
 
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Outlawmws

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Yeah. I don't know a lot about calipers but I wouldn't put those crappy batteries in anything worth money.

Why? the good ones don't last long enough to leak, I seriously doubt these will last longer, and I use these calipers multiple times a week.
 
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Outlawmws

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The stuffed toys that talk or growl or whatever when the right area is pressed tend to have 3 of these cells to power the speaker.

Incidentally I just saw a Monsters Inside Me where a toddler swallowed one of these (I imagine it was the larger 2032-type cells). I always worried about this when giving my dogs stuffed animals with speakers but figured the battery would likely just pass thru. Wrong, it tends to lodge in the body and arc, slowly burning thru tissue until it falls into the next area and starts burning thru again. So, don't swallow any of those batteries (I know you were planning on it :D)

:wtf: Sounds like internet BS to me...
 

Ign

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:wtf: Sounds like internet BS to me...


The actual episode (its TV BTW not interweb) had some good illustrations, interviews w doctors etc. While I could believe they strive to sensationalize it for the sake of making an episode, I don't believe they would fabricate the whole thing. Monsters Inside Me strikes me as relatively credible as long as the viewer controls his or her own fear and realizes that most of the infections and parasites these people get are extremely rare. Most episodes are not about consuming man-made objects.
 

Milton Shaw

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Northern tool had sheets of large button (2032 etc.) and smaller buttons for about $6 for a sheet of either size. About 30 or so batteries on each sheet. They work ok in everything I have tried them in.
 

wild cowboy

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Use a real name brand silver oxide battery in your calipers, my Mitutoyos and even my cheap Taiwan copy of the Mitutoyos have each run over 10 years on a single good quality $5 silver oxide battery. This is even more amazing when you consider that most of my Mitutoyos do not have an auto-off feature! :eek:
 
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