Does burning down your own house count as science? Give this guy a medal!
this post was submitted on 10 Jan 2025
371 points (94.3% liked)
Funny
10988 readers
465 users here now
General rules:
- Be kind.
- All posts must make an attempt to be funny.
- Obey the general sh.itjust.works instance rules.
- No politics or political figures. There are plenty of other politics communities to choose from.
- Don't post anything grotesque or potentially illegal. Examples include pornography, gore, animal cruelty, inappropriate jokes involving kids, etc.
Exceptions may be made at the discretion of the mods.
founded 2 years ago
MODERATORS
No anymore, but if you destroy it in some more interesting way...
Is that true though? As in, is it really that dangerous? It seems that you'll dissipate power equal to the inefficiency times the nominal charging power, so something like 5V x 2A x inefficiency (inefficiency being 1-efficiency), which will probably be of order a watt.
I can use my car battery to charge itself without any issues
I just plug the red terminal to itself, and same with the black, which is to say, a battery is always connected in a way that "charges itself."
I think the key is that the battery probably isn't really playing a big role in OOP's setup
electricity doesn't "go through the battery," it just goes from the charging input to the power output circuits, with the additional power (due to inefficiency) being provided by the battery.
In this house we obey the laws of thermodynamics!!
Just informed to the Nobel comittee.
No, but you did break the battery controller
As someone who's worked with battery gauge ICs for embedded electronics, this made me cry. Just leave the damn engineer alone and USE YOUR PRODUCT PROPERLY YOU FUCKING USER!
I'm ok I'm ok, I'm calm, I'm centered, I won't blame the user for being an idiot, I'm calm, I'm centered, I won't blame the user for being an idiot, I'm calm, I'm centered, I won't blame the user for being an idiot.
Last time I attempted this, I threw my back out for a week.
7/10 will try again.
it is said that it feels more like charging a powerbank than getting your powerbank charged
It’s a lot easier if you get a couple of your ribs removed
Just like Marilyn Manson/Michael Jackson (the urban legend exists for both of them).
Seriously though, I don't think this would help as much as constant daily stretchings. For example, I would assume you'd have to be rather slim, otherwise your gut is in the way of the bend.
That said, according to people who have achieved it, it feels more like sucking a dick then getting your dick sucked, so just giving in into homosexual curiosity might be the easier way to experience the feeling.
All u did was decrease the life span of power bank
Rip BMS
My heart can't take it anymore
Even if perpetual motion was a thing, this would make no sense.
Battery pack loopback test successful...
I recognize why power banks can't charge and discharge simultaneously. But surely, with as cheap as integrated circuits and voltage regulators are, we can have a power bank that can be charged while it redirects some power around its cells to a device on the other side?
Sure, both would charge at half the speed. But if you only have one brick, it's better because you don't have to swap the cables halfway through. Plus, if your phone charges faster than the power bank (which it almost certainly will), you can unplug it at full charge before the power bank is done and let the bank finish- or unplug both and have a fully charged phone and a partially charged power bank.
Made even better, what if we integrated a power bank into a GaN charging brick? Plug it into the wall, use it to charge your devices every night, the smarts inside it regulate the battery with charge/discharge cycles; but then when you're ready to go somewhere you just unplug it from the wall, flip the prongs back inside, and go. Maybe you could even push a button to tell it to charge to full. It would also be a UPS of sorts, since it wouldn't know the difference between a power outage and you taking it on tour. Yeah, it would need to be kinda big and bulky when it's on the wall, but the convenience of not needing to track it down and plug it in before you go on vacation would be worth the hassle of needing to plug it into the bottom outlet on a power strip. Something about the size of a MacBook charger, but with all the high-wattage stuff swapped out for battery cells.
That's called Pass Through. Some battery banks do have that.
Quick repost before this disappears
in a ball of FIRE!
Self ignited
I nearly did this by accident a few nights ago. I was worried I almost killed it.
Most banks can't charge and discharge at the same time.
If they did, worst case it heats up as it moves the energy around until it runs out due to losses or blows up.
Nothing that can go wrong really.
...or blows up.
Nothing that can go wrong really.
hmmm
Battery blowing up is comparatively minor compared to OP's concern of breaking physics.
Nah, exploding batteries is deadly stuff.
Breaking the laws of physics on the other hand just means that our models suck and physicists need to come up with new ones, which, as far as I can tell, is already the consensus...
Yeah, that's actually worse than I thought it might be, lol