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[-] dfyx@piefed.social 115 points 3 days ago* (last edited 3 days ago)

Put it on a wooden shelf and let it sit. You certainly won't regret it.

image

This is the aftermath of a spicy car battery that was used as backup power for some emergency lights in a community center. Blew up in the early morning, burned the plastering from the wall and covered the whole basement in smoke and soot. Fortunately someone was there and heard the fire alarm, otherwise the whole building would have burned down.

[-] danc4498@lemmy.world 13 points 3 days ago

Do car batteries work well as a backup battery (not counting the explosion of course)? I assumed they would require an alternator or else they wouldn’t hold much of a charge. I know very little of cars obviously.

A typical UPS (uninterruptible power supply) that's used for computers/servers is basically powered by a small car battery (12v nominal voltage, lead acid battery).

Sump pump battery backups are also typically a lead acid battery, though they're typically a "deep cycle marine" battery, which basically means they store more energy than an equivalent sized car battery.

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[-] Duamerthrax@lemmy.world 7 points 3 days ago

They're cheap, but fine. You should have a proper battery maintainer or smart trickle charger attached. A good one will tell you if there's a fault with the battery.

[-] Duamerthrax@lemmy.world 5 points 3 days ago

At least it wasn't sitting on concrete. The building would be leveled. /s

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[-] floquant@lemmy.dbzer0.com 76 points 3 days ago

Here's a tip Big Battery doesn't want you to know: A cell can recharge itself by recovering the charges from the opposite terminal. Simply connect the two terminals together and wait 10-30 minutes

[-] gibmiser@lemmy.world 64 points 3 days ago

I'll be the spoilsport for any youngins or otherwise clueless folks.

Don't do this, very bad. Big spark, fire, bad time.

[-] djdarren@piefed.social 47 points 3 days ago

I don't believe anything I read on the internet, so will go and do my own independent research.

[-] thesohoriots@lemmy.world 4 points 3 days ago

You will need to jump-start your battery to reset it. Be sure to connect all four terminals for maximum power delivery.

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[-] D_C@sh.itjust.works 8 points 3 days ago

Shill. You obviously work for Big Battery!!

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[-] JasonDJ@lemmy.zip 19 points 3 days ago

I know lemmy hates AI...but man the tech jokes here are so damn deadpan they may as well be malicious training poison.

[-] bedwyr@piefed.ca 16 points 3 days ago

It's not surprising llm models hallucinate so much, being principally trained on reddit, god help us all if people keep on trusting it so much.

I think people are coming around to some degree though.

[-] wonderingwanderer@sopuli.xyz 12 points 3 days ago

Be careful with this. If it lets out the magic smoke then the battery loses pressure and won't be able to power anything

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[-] T156@lemmy.world 27 points 3 days ago

People really shouldn't be normalising battery obesity, smh.

It's not cute. Obesity really impacts their quality of life, and shortens their lifespan. It's tragic, not cute, when they don't fit into their caddies any more.

[-] Hadriscus@jlai.lu 5 points 3 days ago

I hear they're bred specifically for these looks too

[-] 18107@aussie.zone 22 points 3 days ago
[-] Aneb@lemmy.world 9 points 3 days ago

That handle is perfect, my battery has two bolts coming out the top. Does the handle come in different colors?

[-] chuymatt@startrek.website 6 points 2 days ago

With use, it goes from silver, to red, to black.

[-] bhamlin@lemmy.world 2 points 2 days ago
[-] Aneb@lemmy.world 3 points 2 days ago
[-] TerHu@lemmy.dbzer0.com 7 points 3 days ago

no, but its colourchanging!

[-] bss03@infosec.pub 38 points 3 days ago

This is NOT cute. Batteries only do this when they are in distress.

(Sorry if I got the wording wrong, I couldn't find the copypasta.)

[-] M137@lemmy.today 19 points 3 days ago* (last edited 3 days ago)

Met a friend of a friend some months ago who customised electrical vehicles of all kinds, a battery like this blew up while he and his best friend were close to it. His friend died and he got burned real bad, the left side of his body is badly scarred and he lost fingers, hearing, most of his vision and other stuff on that side.
We sat and talked for most of the night and after that I have a whole new "respect" for batteries. My mom uses an e-bike daily and I've made real sure she is aware of the possible danger. She used to store and charge the battery close to the door of her apartment, now it's in a battery safety bag in one of the closets where it wouldn't be in the way of getting out if something happens.
Fucking scary stuff.

[-] decolo@piefed.social 33 points 3 days ago

Just return it to the ocean so it can spawn a new pod of AAAs.

[-] Mirshe@lemmy.world 7 points 3 days ago

Where do you think electric eels come from?

[-] mrfriki@lemmy.world 30 points 3 days ago
[-] peopleproblems@lemmy.world 25 points 3 days ago

Is that a lead acid battery?

How the fuck do you do that to a lead acid battery?

[-] fullsquare@awful.systems 15 points 3 days ago* (last edited 3 days ago)

Overvoltage during charging might do that (water electrolysis happens, meaning that there's hydrogen inside)

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[-] plantfanatic@sh.itjust.works 12 points 3 days ago

Discharge it fully and freezing it can usually do it.

[-] ndupont@lemmy.blahaj.zone 10 points 3 days ago

Having had a spicy car battery myself last weekend, due to inexistent voltage regulation, I would have expected that one to be able to vent the excess pressure. Sealed battery out not, it's better not to build up pressure

[-] peopleproblems@lemmy.world 9 points 3 days ago

Yeah that's what surprised me. I thought most of them self-vent.

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[-] Hubi@feddit.org 5 points 3 days ago

Shorting it out should do the trick.

[-] 777Prawn@sh.itjust.works 20 points 3 days ago

Should prob water it.

[-] TomMasz@piefed.social 18 points 3 days ago

You just don't want to be too close when it sheds. They can be a bit testy for a while.

[-] disorderly@lemmy.world 15 points 3 days ago

Man, if I saw that I wouldn't be taking a picture, I'd be calling the bomb squad while driving for the next county.

[-] kerryh8er04@sh.itjust.works 11 points 3 days ago

Need some red necks with some land. Then shoot that puppy with something big.

Also have a hog carcass nearby and film it.

[-] tristan@tarte.nuage-libre.fr 7 points 3 days ago

Real life Crash Bandicoot TNT crate

[-] Imgonnatrythis@sh.itjust.works 13 points 3 days ago

Lance that thing to relieve the pressure!

[-] shalafi@lemmy.world 5 points 3 days ago

That's what I would do. With a rifle from 50' away.

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[-] opensesame_365@lemmy.zip 2 points 2 days ago

Must be the "DCS" spec

[-] joeschmoe@lemmy.world 6 points 3 days ago

I have a bloated power bank sitting on my balcony (concrete) right now. Lowkey scared of transporting it for disposal.

[-] rizzothesmall@sh.itjust.works 9 points 3 days ago

Such a big spicy pillow

[-] Lushed_Lungfish@lemmy.ca 8 points 3 days ago

It does, in a manner of speaking, shed.

[-] regdog@lemmy.world 5 points 3 days ago

That's a spicy battery

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this post was submitted on 09 Nov 2026
835 points (99.1% liked)

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