100 points

https://www.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/a/what-is-conservation-of-energy

Jokes aside, this is something an astonishing number of folks know less than nothing about.

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65 points

Are you claiming to refute the hard evidence OP has presented?

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6 points

He’s saying if you plug the charger in it can transmute the energy into work, meaning when you exit the room you may come back to finding it sitting on the counter unplugged. As your partner wouldnt have wanted it to put a hole in the roof so they unplugged it and put it on the counter.

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56 points

Lisa!

In this house we obey the laws of THERMODYNAMICS!!

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12 points

I’ve heard the cheap ones don’t like doing this too much.

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3 points

We still talking about power banks?

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50 points
*

DON’T DO THIS. i did that by mistake once and it grilled my powerbank. was completely broken after. this is beyond stupid.

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31 points

What’s stupid is buying cheap AliExpress power banks that don’t mitigate this situation safely, and instead simply explode, burning your house down…

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-3 points
*

They are cheap and if you don’t need an expensive product, they are mostly fine, but I got a free powerbank with some crappy teen magazine (when I still ocasionaly read those ad filled pieces of shit) and it died on the second charge.

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6 points

mostly fine

That’s not what I want to hear about a high density energy storage solution.

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28 points
*

Assuming it was either 15 years ago or your powerbank is a budget one.

My powerbank would just flip me off and tell me to go fuck myself if I did plug it into itself.

(seriously tho, it would just cut power and turn off immediately. If your powerbank doesn’t do at least that, then discard it and get another one with more advanced protection features)

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7 points

was around 10 years and Anker

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4 points

And it was probably cheap Anker instead of expensive Anker? Maybe that shit just hadn’t hit consumer products yet as well. But yeah, Anker offers a HUGE selection of products from consumer to professional.

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5 points

the hazards of perpetual energy

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11 points

Just put it in the microwave to super charge it smh.

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8 points

Nail it to the side of your house, in the sunlight, for a totally free charge from the sun

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4 points

Jokes on you, my power bank has solar cells. About the nail though…

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126 points

Fire hazard speed run

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8 points

Just don’t let a dog do a bad chew.

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17 points

I don’t think it would it be too bad since it’d have a current limiter would it?

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27 points

It will only charge as fast as the output of the power bank.

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7 points

Yeah, so I think it’d be fine, since I’d think the charge limit would be about the same as the discharge limit of the power bank. It would heat up a normal amount for charging and being charged at the same time, but I don’t think it would melt down or anything. It’d just drain slowly over time.

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5 points

this assumes it’s not a dogshit quality power bank

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1 point

i have a similar one and its shoddy enough that i wouldnt bet on it.

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19 points

You shouldn’t charge a battery pack at the same time you’re discharging it unless it’s specifically designed to allow that. Most consumer power banks are not designed to do that.

It’s doubly stupid to charge it from itself.

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1 point

Seat’s taken

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3 points

I once did that with a Samsung powerbank I have. Daisy chained the powerbank to charge itself and a phone in sequence.

The only thing that failed afterwards was one of the cables, but suffering a loss was definitely the reason I didn’t attempt to do that again.

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