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kibiz0r ,

AFAIK, those things estimate charge based on voltage. If a battery heats up, it’ll have higher voltage. Not necessarily for a good reason…

johnteachestech ,

No.

He broke science.

Kolanaki ,
@Kolanaki@yiffit.net avatar

I used to take those 9-volt battery connectors, wire them up together and then recharge a dead 9-volt with a brand new one until the tester strip thing showed they were both even. Surprised they never popped because they would get really hot lol

Steamymoomilk ,

Fire hazard speed run

JohnDClay ,

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

JCreazy ,

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

JohnDClay ,

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.

nexussapphire ,

100w charging, getting pretty toasty!

Johnmannesca ,
@Johnmannesca@lemmy.world avatar

khanacademy.org/…/what-is-conservation-of-energy

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

StellarExtract ,

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

ArbiterXero ,

Lisa!

In this house we obey the laws of THERMODYNAMICS!!

DannyBoy ,

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

ekZepp ,
@ekZepp@lemmy.world avatar

[The Free-Energy Trick Big Companies Don’t Want You To Know]

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