Author Topic: Are Lithium Batteries Dangerous?  (Read 324 times)

Offline a10gf

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Online mikeb

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Re: Are Lithium Batteries Dangerous?
« Reply #1 on: 01.12. 2019 10:11 »
maybe no nobel prize for those scientists, nor health and safety awards
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Offline bikerbob

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Re: Are Lithium Batteries Dangerous?
« Reply #2 on: 01.12. 2019 11:04 »
It has been proven that some batteries are more at risk than others particular cheap imports from China. So only buy genuine known makes to minimise any risks and never leave the house while any type of battery is on charge and if you have to go out then unplug the charger. There have been a number of TV programs highlighting problems with rechagable batteries

Online RDfella

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Re: Are Lithium Batteries Dangerous?
« Reply #3 on: 01.12. 2019 12:31 »
And to think the one in your electric car only costs upwards of $10,000
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Offline Kickaha

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Re: Are Lithium Batteries Dangerous?
« Reply #4 on: 02.12. 2019 05:28 »
Not if they're a decent one with onboard BMS, I'll be running one in mine when I do the 12v conversion
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Offline a10gf

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Re: Are Lithium Batteries Dangerous?
« Reply #5 on: 02.12. 2019 08:24 »
A Norwegian Tesla, will need new batteries (and a few other parts :O)

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Online duTch

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Re: Are Lithium Batteries Dangerous?
« Reply #6 on: 02.12. 2019 14:17 »

 weeell going by all that ^^, I should be well and truly incinerated by now....my Metabo cordless drill which I bought about '06/7 and hadn't been used heaps suddenly died, so I pulled the battery pack apart to see what's in there to find 10 x 18650 cells as shown in the 'experiments'...... I'd always charged the packs carefully, but 6 of the ten in the dud pack showed obvious signs of overheating...and when the other pack di same I made a good pack from the good cells.......so far so good....

 I did some research (which told me the Teslas use 40,000 of these cells) and finally managed to buy a couple of lots of 20 cells online that were safe to ship...so far so good....used ten in the other pack, but they behave different to to stock package but still work ok, but need more regular charges (9.9 Ah as opposed to the original 1.1Ah)  *conf2* *dunno*....

 I also found a chart that apprised the qualities of various sources, but that may have changed over last five years...I learned a fair bit how to be more dangerous through that exercise which led on to trying to power an auxillary BSA headlight with LED's.... *eek*

 A few nights ago I started chatting with a guy in a Tesla maybe 'S' model and he offered my a spin up the road- initially said nah, maybe 'nother time, but quickly thought nah go it now...it went ok, a bit of road and air-con noise but I decided may a Cybertruck might be a goer https://www.tesla.com/cybertruck ...that should upset a few  *smile*

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Offline a10gf

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Re: Are Lithium Batteries Dangerous?
« Reply #7 on: 02.12. 2019 14:49 »
Don't get me wrong, I use lots of these cells in tools and they are great. Even got one of these bombs in my pocket at all times, my trusted led torch, and do not expect it to kill me.

These posts a combination of some entertainement + the very serious stuff everyone shoud be well aware of.

Quote
^^^did some research (which told me the Teslas use 40,000 of these cells)
The Tesla's, if they use 40.000 (!) small cells no wonder things happen, just one going bad can start the crazy chain reactions that destroys a car in minutes, like what happened to the ups flight.

edit: Tesla S batt chart > https://fr.wikipedia.org/wiki/Tesla_Model_S
5000+ to 8000+ Panasonic 18650's

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Offline Joolstacho

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Re: Are Lithium Batteries Dangerous?
« Reply #8 on: 02.12. 2019 23:49 »
Be VERY careful if you start pulling LiPos apart, they can be grenades!
(In other words, don't)

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Re: Are Lithium Batteries Dangerous?
« Reply #9 on: 03.12. 2019 01:11 »

 
Quote
. Be VERY careful if you start pulling LiPos apart, they can be grenades!
(In other words, don't)

 Point noted,  but I didn't attack the individual cells., just split them from the pack ...That was a few years ago and I understand a little more now  *conf2*
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Offline Kickaha

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Re: Are Lithium Batteries Dangerous?
« Reply #10 on: 03.12. 2019 04:55 »
Be VERY careful if you start pulling LiPos apart, they can be grenades!
(In other words, don't)

How do we make them go bang, (asking for a friend)
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Offline a10gf

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Re: Are Lithium Batteries Dangerous?
« Reply #11 on: 03.12. 2019 10:39 »
^^^ so you did not click the 'scientific' YT link, all the detailed procedures needed for loosing an eye and some fingers, setting fire to ones house etc.


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Offline Kickaha

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Re: Are Lithium Batteries Dangerous?
« Reply #12 on: 04.12. 2019 05:54 »
^^^ so you did not click the 'scientific' YT link, all the detailed procedures needed for loosing an eye and some fingers, setting fire to ones house etc.

The word scientific threw me off

Excellent, just what I needed
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Offline a10gf

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Re: Are Lithium Batteries Dangerous?
« Reply #13 on: 04.12. 2019 18:03 »
^^^ please post some videos of the experiments, including scenes of the paramedics & police that came to fetch you.

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