Exploding hoverboards

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texaspyro
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Exploding hoverboards

Cheap Chinese batteries and chargers.. what could possibly go rong…

http://arstechnica.co.uk/information-technology/2015/12/hoverboards-aren...

Edited by: texaspyro on 12/16/2015 - 15:39
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those exploding balancing mini boards are all over social media and the press these days. (and all over our well-known big box stores as well). I wonder what batteries are inside… Ultrafire? lol

MRsDNF
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I'm giving my closest friends these for xmas.

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

M4D M4X
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a lot media are testing these things – and founddangerous ones!

i read amazon stoppped selling tham completely and ask the sellers for a “saftey certificate” before they are listed again.

PLEASE NOTE
i do not work in "reviews, deals and codes" for the time being
maybe M4D M4X will return one day, but until then:

THANK YOU FOR YEARS OF YOUR SUPPORT AND FRIENDLY CONTACTS!

Ronin42
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I am shocked! Wink

from the article.

The reason of this inconsistency is that hoverboard sellers often claim that their devices are supplied with Samsung batteries, checked and certified by UL. However, an anonymous source in the same Quartz piece said that some factories are lying to their customers: “They wrap a piece of paper around the battery that says ‘Samsung’ when it’s not Samsung,”

(“It’s good that most people can’t remember their previous lives. Otherwise
things would be a lot more complicated than they already are.”
Ajaan Lee Dhammadharo)

1dash1
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texaspyro wrote:
Cheap Chinese batteries and chargers.. what could possibly go rong…

http://arstechnica.co.uk/information-technology/2015/12/hoverboards-aren...

The one I bought supposedly comes with Samsung batteries. I’ll check when it arrives (FedEx package arrived Oakland this morning, probably will be delivered in the next couple of days).

Rule 1-1 as it applies to life, take it as it comes.

texaspyro
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Could have Sumsang batteries… read the fine print. J)

1dash1
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texaspyro wrote:
Could have Sumsang batteries… read the fine print. J)
:quest:


I don’t know whether you are jesting.

In any case, I did read the fine print.
http://www.dhgate.com/product/electric-scooters-scooter-alloy-wheels-veh...

Rule 1-1 as it applies to life, take it as it comes.

DBSAR
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buying anything from China that used built in LiIon cells is risky these days, and likely to get worse unless governments begin full testing and Quality control or banning imports of these products from China.

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

Halo...
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M4D M4X wrote:
i read amazon stoppped selling tham completely and ask the sellers for a “saftey certificate” before they are listed again.

Amazon should have done that from the start. Oops Anything with a pack of li-ions should be required to be UL listed before it can be sold on amazon.
tekwyzrd
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1dash1 wrote:
texaspyro wrote:
Could have Sumsang batteries… read the fine print. J)
:quest:


I don’t know whether you are jesting.

In any case, I did read the fine print.
http://www.dhgate.com/product/electric-scooters-scooter-alloy-wheels-veh...

In the description charging time given is 1-2 hours but in specifications charging time is 600 minutes. I din’t see any mention of the brand of batteries.

Nothing travels faster than the speed of light with the possible exception of bad news, which obeys its own special laws. – Douglas Adams

Jubeldum
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Ronin42 wrote:
I am shocked! Wink

from the article.

The reason of this inconsistency is that hoverboard sellers often claim that their devices are supplied with Samsung batteries, checked and certified by UL. However, an anonymous source in the same Quartz piece said that some factories are lying to their customers: “They wrap a piece of paper around the battery that says ‘Samsung’ when it’s not Samsung,”

You don’t say.

1dash1
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tekwyzrd wrote:
I din’t see any mention of the brand of batteries.

Rule 1-1 as it applies to life, take it as it comes.

texaspyro
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1dash1 wrote:
texaspyro wrote:
Could have Sumsang batteries… read the fine print. J)
:quest:


I don’t know whether you are jesting.

In any case, I did read the fine print.
http://www.dhgate.com/product/electric-scooters-scooter-alloy-wheels-veh...

They probably work as well as my Sorny TV, Magnetbox stereo, and Panafonics radio…

texaspyro
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1dash1 wrote:
tekwyzrd wrote:
I din’t see any mention of the brand of batteries.

!{width:80%}http://i278.photobucket.com/albums/kk107/golfrt1/Electric%20Scooter%20De...!

I bet that Samsung batter fries up real tasty when the thing ignites…. arrrrrrrgh, fried batter.

SawMaster
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Cheap goods that may be unsafe from China? As if we didn’t know already. The sad part is that most people don’t know what we know and they will be taken in by the lower priced units, just as they are with the 2M (Chinese) Lumen super-duper-fire flashlights with genuine (latticebrite) Cree LED complete with Samsung-style (its-on-fire) cell and charger included J) I hope it doesn’t ‘trickle down’ to affect us but I expect it will, sooner or later.

Sighing sadly,
Phil

hank
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然后,有一天,卫星广播的秘密触发信号。
美国付之一炬作为每一个中国电池供电产品的燃烧。
这是如何维护世界和平的开始。

Ránhòu, yǒu yītiān, wèixīng guǎngbò de mìmì chùfā xìnhào.
Měiguó fùzhīyījù zuòwéi měi yīgè zhōngguó diànchí gōngdiàn chǎnpǐn de ránshāo.
Zhè shì rúhé wéihù shìjiè hépíng de kāishǐ.

1dash1
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1dash1 wrote:
texaspyro wrote:
Cheap Chinese batteries and chargers.. what could possibly go rong…

http://arstechnica.co.uk/information-technology/2015/12/hoverboards-aren...

The one I bought supposedly comes with Samsung batteries. I’ll check when it arrives (FedEx package arrived Oakland this morning, probably will be delivered in the next couple of days).

Just received a notice from FedEx. Shipment just arrived in Boise, Idaho. Expected delivery date: December 21.

Aaargh! I don’t understand why it went from the West Coast to Idaho, when it will probably have to go back to the West Coast to send to Hawaii.

Oh, well. That still leaves a few days margin for any additional delays before Christmas.

EDIT: The hoverboard never went to Boise. The FedEx notice for Boise was for a different package. (Husky air inflator that I purchased from Home Depot a year and a half ago blew a hole in the hose. 2 year warranty. Husky didn’t have a replacement hose available, so they sent me a complete new unit. I didn’t expect them to FedEx it, but they did. It arrived today, that’s when I noticed that the FedEx package was shipped via Boise.)

Rule 1-1 as it applies to life, take it as it comes.

Bort
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Its not a bug, its a feature.

The Journal of Alternative Facts TM

"It is critical that there is a credible academic source for the growing and important discipline of alternative facts. This field of study will just keep winning, and we knew that all the best people would want to be on board. There is a real risk in the world today that people might be getting their information about science from actual scientists"

 

 

 

ImA4Wheelr
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We, admittedly fringe hobbyists, have been in wonder how all the dangerous stuff gets out of China without serious repercussions.  This may be the moment, when the masses have become aware of those dangers.  China now has to take product safety and quality seriously or face a significant economic downturn.  I say this because I am seeing these stories on local news channels.  Parent after parent is saying they are returned their child's board without concern whether the board was dangerous or not.

Fake emitters have made me finally cut off two vendors I use trust.  Something, I didn't ever see myself doing.

polygon
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Fxxx seemed to have pulled the pana/Samsung wrappers off their site, but not before I stopped buying batteries from them. For all I know they could be pulling laptop recycles and rewrapping them to pass on as real for low priced sales.

As for the boards, someone should sue these unscrupulous sellers out of existence, all for the better of consumers.

Bort
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polygon wrote:
As for the boards, someone should sue these unscrupulous sellers out of existence, all for the better of consumers.

Do you enjoy playing whack a mole?

The Journal of Alternative Facts TM

"It is critical that there is a credible academic source for the growing and important discipline of alternative facts. This field of study will just keep winning, and we knew that all the best people would want to be on board. There is a real risk in the world today that people might be getting their information about science from actual scientists"

 

 

 

polygon
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Bort][quote=polygon wrote:

Do you enjoy playing whack a mole?

Jury’s still out on that one, getting caught up with the x’mas parcel rush, it may well end up as the ‘mole’, or worse me as the mole. Big Smile

edit…oh you mean the dealers, never had any luck at THAT fairgrounds. Gave up long time ago Sad

Halo...
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polygon wrote:
As for the boards, someone should sue these unscrupulous sellers out of existence, all for the better of consumers.
People could try suing the local resellers but the original sellers are in china, out of reach of lawsuits or any consequences.
hank
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Eventually you have to decide whether to keep playing the game or stop.

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Has anyone seen any indication from news that the boards which have caught fire actually had faulty cells or packs? It seem like the same cells/pack design would be used in other products and they would suffer the same flaming fate, but this doesnt seem to be the case.

Most people attribute the problem to the battery cells but maybe problem lies in the electrical or charging design or rough treatment of the devices.

It’s giving 18650’s a bad name but I haven’t seen anything to indicate that the flaming boards couldnt contain pouch type lipos. I know most hoverboards use 18650’s but haven’t seen anything specific to the affected boards.

1dash1
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My son’s hoverboard arrived yesterday. Unfortunately, I couldn’t take apart the battery pack to see what brand cells they contained.

My impression of the quality and workmanship is that it seems to have been assembled right. A few sloppy gobs of silicone here and there, but soldering seems to be well done. The one thing that I noticed was the lack of weatherseals anywhere on the unit. Seems like water can enter from any of the joints or ports.

Here are a few pictures:


Left Side


Right Side (opposite view)


Left Inside (bottom plate removed)


Right Inside (bottom plate removed)

Rule 1-1 as it applies to life, take it as it comes.

fixed it
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36V !!! That’s a lot of cells in series. I’d be more worried about the kind of charge balancing and cell monitoring they have in there than the quality of the cells.

hank
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Note the line “Remove battery from device ….”

(the rest is obscured in that picture)

1dash1
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From I can glimpse of the label from other photographs that I took, the label reads:

4. Remove battery from device when not use for …

Not sure what finishes the sentence. Maybe “… prolonged periods of time” or “… storage”?

Sorry, the hoverboard has already been gift wrapped for Christmas. So, the mystery will have to wait. 0:)

Rule 1-1 as it applies to life, take it as it comes.

texaspyro
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hank wrote:
Note the line “Remove battery from device ….”

(the rest is obscured in that picture)

The rest says “unless you have a morbid fear of a long, unroasted life…” J)

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