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Post Info TOPIC: Recall Lithium" Power com " products
oldtrack123


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Recall Lithium" Power com " products
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https://www.productsafety.gov.au/system/files/recall/Recall%20advertisement_549.pdf



-- Edited by oldtrack123 on Monday 15th of July 2019 02:29:29 PM



-- Edited by oldtrack123 on Monday 15th of July 2019 02:35:06 PM

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T1 Terry


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Recall Li fe
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It was only a matter of time before these sorts of issues became obvious enough for govt depts. to take notice of and act accordingly. Bad enough not sensing cell voltages and controlling the charge/discharge via that method (proper BMS control), but using LiPo cells that do burst into flames and not monitoring the cell voltages borders on criminal negligence. The only cell chemistry that won't explode in flame is mistreated is LiFeP04 and LYP, the Tesla cells will go off like fire crackers if a proper BMS isn't used.

I wonder if this is just the tip of the iceberg, some of these cheap as chips drop in lithium batteries could well be using the same or similar unstable chemistry cells and have the same thing happen. These particular batteries were first released in March 2015, a bit over 4 yrs ago, I wonder if the problem is age/cycle related as well as poor management of the battery.

T1 Terry

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T1 Terry


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Just notice the title says Li fe. Might need to change the title Peter, there is no mention the batteries are LiFe, just lithium.

T1 Terry

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oldtrack123


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RE: Recall Lithium" Jumpstsarter "products
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T1 Terry wrote:

Just notice the title says Li fe. Might need to change the title Peter, there is no mention the batteries are LiFe, just lithium.

T1 Terry

 Title correctedbiggrin 



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T1 Terry


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RE: Recall Lithium" Power com " products
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Thank you Peter. I'm guessing these things are going to end up like the scooter batteries that burst into flame, that was a real disaster for hundreds of parents who thought they'd scored a bargain Christmas present for the kids.

 

T1 Terry



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Whenarewethere


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I heard this on the radio at the time:

In Geraldton last year a pensioner was calling out for help, people could not help due to the flames. He was incinerated on a mobility scooter when the battery caught fire.

https://mobile.abc.net.au/news/2018-10-21/man-dies-in-mobility-scooter-fire-in-geraldton/10401782?pfmredir=sm



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Knight


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Date:
Recall Lithium
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Lithium ion batteries can be destabilised by a not too hard impact and for other reasons including high temperature days when parked out of the shade.

Putting out the fire is difficult and requires first cooling, lots of cold water.

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T1 Terry


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Recall Lithium" Power com " products
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Knight wrote:

Lithium ion batteries can be destabilised by a not too hard impact and for other reasons including high temperature days when parked out of the shade.

Putting out the fire is difficult and requires first cooling, lots of cold water.

A bucket of wet or even just damp sand does the best job. Once one of the lithium compounds that generate oxygen when heated get going, it is near impossible to quench the fire, but the sand melts if it gets hot enough and traps the fire under it preventing the fire from spreading. If the battery is built up out of cylindrical cells, good luck, each cell exploding sets the cell off either side, here is an example of a Tesla lithium battery going uphttps://www.youtube.com/watch?v=WdDi1haA71Q  A perfect example of what happens when you mess with something you really know nothing about.

 

T1 Terry

Sorry about the first link, someone seems to have embedded adds all through it.

 



-- Edited by T1 Terry on Tuesday 16th of July 2019 05:46:04 PM

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