Electronics > Repair
Bathroom scales just exploded !!
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Messtechniker:
Just a moment ago an expired LR44 exploded with quite a bang.
See pic.
It even blew the golden lid off!
It had been bulging before. So be warned.


Never happened to me in the say 50 yrs before.
MathWizard:
Yeah I'll try and take a picture with my Andostar microscope, I threw out the one that didn't blow-up tho, so no taking it apart. I'm pretty sure they came with the used stereo I fixed up this winter.

I haven't tried the scales yet, I'm going to check if the negative spring clip can ever touch the other batteries positive. Besides that, it's probably just some weird brand, or some defect, and it was a ticking time bomb.

It didn't flip the scales over, but they moved some for sure. I've had something like a 22uF cap blowup in my face, and send the can flying, but this battery was way louder. There was a proper bass note to it, some combo of the battery hitting the floor, and the scales jumping, but it only sounded like one event, so they didn't jump very high.

I didn't smell anything in the air at all either.
MathWizard:
Here's some pic's, it split right along the side, I never tried to take it apart. I'll check what metal it might be, but it would take a lot of pressure top do that. I can't say I saw any shards of metal on the floor, but imagine having that in a walkie-talkie when it blew up !!

It seems I can't upload them at once, they are all ~3MB. 1st I couldn't find the micro-SD card, then I couldn't find the USB cable.
MathWizard:
only 2 files fit
MathWizard:
last one
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