GG safety tested and proved.

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Mist_Of_Joye

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Hey, is that just battery guts between the two CR2s or did you have a spacer in there? Sorry I can't remember if the Grant needs a spacer for 6v or not and it looks like a big mass of stuff between the batteries.

Glad you are OK. Thats scary stuff.

Thanks.

Those are battery gutts, and I might add that when I removed them, there was nothing but an empty round grill...Inside was empty, unlike the upper battery.

Which shows that the upper battery is the one that had the little explosion first and started to emit fumes until it brought the second battery to a temperature so high that it exploded from all its heart with a huge blast and propelled the Grant like a rocket.
 

Mist_Of_Joye

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There was a report on CNN five minutes ago. They mentioned something about Beirut, but I missed it what it was about..... holy Cow..Misty check if there are reporters outside your house and get rid of the evidence!!!!!!

Yes yes...I just shot one who was spying under my window, he'll not come back. Thanks for the warning emonty.
 

vapn

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Yea I would hate that if this went up like that. Glad you are alright! I have always been afraid of putting the batteries in wrong first thing in the morning. Plus Lisa made a good point. I never let them get too low and I always check them with my multimeter to see what they are doing when I take them out of the device. If they are looking like they are getting too low I pitch them. It is not worth it to have this happen just because I think I can get a few more puffs out of em... hahah...

IMG_0031.JPG
 

emonty

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Hey Mist!!
Nice travertine floors.

It happens every day with my chucks, that the batteries get a short, and start heating up.
I'm so used to it...
I think some 801 atomizers cause the shorts...

Quovadis!! nice to see you, how is the flavourart experience?? I still enjoy the tobacco flavors!!!
 
It looks like most of the crud that spewed from the batteries is in the upper end of the Grant.

Seeing that the batteries vented upwards towards their + terminal (as they should have) it makes me wonder if we shouldn't insert them backwards so they vent downwards towards the vent holes in the GG's.

Anyone?


Rob if you plan on getting those Excellerators think twice. They look like comp-lete garbage and are the ones that exploded in the other incident, They probably are not even LifePo4s either just a BS label placed on a battery from a no name Asian manufacturer.

excellerators are bad news and I felt that from day 1.

Derek
 

imeothanasis

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Hey Mist!!
Nice travertine floors.

It happens every day with my chucks, that the batteries get a short, and start heating up.
I'm so used to it...
I think some 801 atomizers cause the shorts...

This is the most possible quo. If the atomizer center pole meets its threads then this will happen for sure. Thats the reason I made a moving center pole on the GG connector to avoid big pressure to the atomizer's center pole. But when the atomizer get corrupt sometime, then the short cirquit will happen.
 
So Mist of Joye, If you don't mind I have a few questions I wanted to ask to get a better Idea of why this unforunate incident happened. Maybe knowing the reason this happened could prevent it from happening to someone else.

Have you ever used this type off battery before? If not, were you aware of the suggested safety measures and do's and don'ts in the handling and use of them?
What brand of CR2's were you using?
Did you buy them new?
How old were they?
Were they fresh off the charger or were they in the PV for a while?
Did you ever notice any tears on the wrapper or peeling?
Before this incident did anything ever happen out of the ordinary when using them? Such as unusual sudden shorter life between charges, heating up etc.
Did you always keep these as a pair or did you mix them with others?

It's good to know you didnt get hurt.
 
This is the most possible quo. If the atomizer center pole meets its threads then this will happen for sure. Thats the reason I made a moving center pole on the GG connector to avoid big pressure to the atomizer's center pole. But when the atomizer get corrupt sometime, then the short cirquit will happen.

It happened to me last week or so ago when using a Joye Low Bridge 801 style atty(Joye 302 I think those are) The atty had a short and caused my CR123 LifePo4's and entire PV to heat up quicker than you could blink an eye. I was able to dismantle it quickly however but just could not believe how quick and instant it heated up. It was HOT not just a little warm in under 1 second.
 

Mactavish

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Glad to hear you are OKAY. Folks kidded me a bit about my current (no pun) battery and charger research before getting my first GGTS Mod, well I've only heard a limited number of stories, but yours complete with photos, makes me feel good about all the reading I have done so far on this topic. There are some Mods made of Plastic parts, seems they could become a grenade with parts flying about. My 2nd choice of Mods, was the "SuperSix", that metal model also has vent holes for safety.
 

Vaughanie

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Mactavish, your 2nd choice has vents on the sides. Consider that there is less potential for rocket like propulsion.

For the greater good, copying of mod safety design should NOW be negotiated between mod creators, where others have figured out better safety solutions. With vents on the ends these are most evidently potential rockets. With the vents on the non atty end the metal mod is potentially a rocket that could fire into your mouth!

This was posted further up in the thread, but has been reported as happening here: Battery explosion in my mod breaks jaw and knocks out my two front teeth

(Although of course that's entirely on good faith because there's not even pictures and this is the interweb).

edit: THERE ARE PICTURES FURTHER DOWN SENT FROM HIS MOBILE AND THE POOR GUY LOOKS IN QUITE A MESS

I'm SERIOUSLY considering having angled holes drilled into the side of my GGs either that or not use them at higher voltage by battery.
 
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SSRob

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to speak the truth , I didnt understand well Rob. Can you say it again?

Imeo,

You know the two little holes on the positive terminal of most li-ion batteries? Those are the vent holes. My suggestion is that to help the pressure escape from the bottom of the GG better that the batteries are inserted "upside down" so those vents blow downward instead of upwards toward the user.

It appeared that most of what the batteries shot out was in the top of the Grant indicating that's where most of the explosion was directed until it was forced to exit the bottom vent holes.
 

grimmer255

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hmmm I see your point ROb ( Safety) but how can we put the batteries in backwards without reversing the polarity of the battery? I know the 10440 battery on the dealxtream sight says do not reverse the polarity. So what can Imeo do about changing up the gg without reversing the polarity? the only way i could think of is to insulate a brass or copper (or better conductive metal) strip with a spring loaded rod that leads to the attie from the positive end ( which will keep the no solder and wire out of the question but it wil increase the size of the GG by a few mm). But unfortunately he would have to place the button on the attie side of the GG to allow proper activation.
 
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SSRob

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In the case of the GG polarity shouldn't really matter since there isn't an active circuit inside...it's DC and it's going to work going one direction or the other just as a DC lightbulb would. I have my RCR123A's turned around in my GGT right now and they work fine.

Anyone is free to correct me if I am wrong... Imeo?
 

grimmer255

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In the case of the GG polarity shouldn't really matter since there isn't an active circuit inside...it's DC and it's going to work going one direction or the other just as a DC lightbulb would. I have my RCR123A's turned around in my GGT right now and they work fine.

Anyone is free to correct me if I am wrong... Imeo?

Good point... but doesn't the insulated end cap act as circuit and then activated by the button hitting the rod... man this is tricky.... but i like this puzzle..
 
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