istick 50 watt exploded

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Cool_Breeze

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Well I now have the 1A charge thingie supplied with the iStick30w. What I've discovered is that the istick gets warm while it's charging, but the wallwart does not. When it stops charging and the display goes off, by the time I realize that and go unplug it, the istick is no longer particularly warm. So I think me and my iSticks are safe. Of course I've never let it run down beyond 2 of the flashy squares in the display; when it's only one of the squares, then it doesn't even get terribly warm.

Andria

I think if discharged to only about the half battery level indication and no lower, it will generate only a little bit of heat. The one time I let it mine go until it quit, it got much warmer on charging. Also on that drain, the 2nd half of the battery level indicator seemed to go rather quickly. I take that as an indication that that half way level is actually below half the battery capacity...more than half the capacity used up at that point.
 

CardinalWinds

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Well I now have the 1A charge thingie supplied with the iStick30w. What I've discovered is that the istick gets warm while it's charging, but the wallwart does not. When it stops charging and the display goes off, by the time I realize that and go unplug it, the iStick is no longer particularly warm. So I think me and my iSticks are safe. Of course I've never let it run down beyond 2 of the flashy squares in the display; when it's only one of the squares, then it doesn't even get terribly warm.

Andria

Huh. I have a couple 50's and they both stay at room temperature while charging...and it's the wall wart that gets warm. Not hot, mind you, but fairly warm. But yeah, they draw current faster when the battery is half full than when it's 3/4 full.

Never let mine get below half full before I feel an immediate need to charge, either...must be OCD or something. :)
 

RichJr

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That is somewhat true! Charging chips (IC) determine the amount of charge at a given time. If the cell is half full you'll get the full 1A charge. If 99% full the charge will decrease to accommodate/compensate for overcharge. More heat is experienced when more amps are applied.
 

r77r7r

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  • Feb 15, 2011
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    fair enough, you confirm <1% within 90 days ... I was referring to days 91 and beyond.

    not many are gong to survive a year ... hence, no one year warranty.

    what's concerning is? ... the way some of these 50w iSticks are dying ... if they just didn't turn on one day, who cares? it's disposable ... but these kind of failures are a funeral waiting to happen.

    the survival data on these gets lost on the 91st day ... where a company like ProVape can provide the failure rate well beyond the one year warranty expires ... because, they still repair the odd 5 year old broken device.

    If Provape built something remotely like what people are buying, maybe they'd buy it....
     

    DaveP

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    34 years of unattended battery charging. I guess I'm lucky. /wink

    PSA
    (Do not leave batteries unattended for prolonged periods of time.)
    Weather I do or not I highly recommend not copying me.

    I also charge NiMh batteries that I use in my Guitar wireless transmitter and various flashlights around the house. I can leave them charging overnight without concern. Lithium-anything is only charged when I'm awake and aware and no farther than the next room.

    I thought I had broken my iStick 50W with a KF4 that was intermittently shorting due to an insulator I failed to reinstall during cleaning. When I screwed it on I heard a pop and felt a vibration. After that, the iStick was dead. I later found out that I had activated the internal short protection. To re-enable the iStick you just have to plug it into a USB charger. Then, it comes back to life, ready to go. Mine is just fine after the short scare.
     
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    justinlm24

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    Apr 13, 2015
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    Hopefully you check the smoke detectors regularly


    Sent via iPhone

    They are fully functional. But it charges right by my bed so if something were to happen it would wake me long before it got to that point. I mean I realize there have been people having issues with this device, but that doesn't mean every one of them is going to explode. I've never had it auto fire on me or have any of the other reported problems.
     

    DaveP

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    There will be duds in any product. In cars with recalls, people get injured. The same could happen with the iStick, but we don't know how to determine from a serial number whether ours is an accident waiting to happen or not. I haven't found any markings on the iStick other than the ones on the bottom. There's a CE logo, but no UL logo and no serial number.

    I guess the Chinese only replace the ones that actually fail. If it blows up within 90 days you get a new one ... maybe. Mine has a nice strong de-actuation spring on the switch, but that doesn't mean the switch can't fail internally.
     

    AndriaD

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    Huh. I have a couple 50's and they both stay at room temperature while charging...and it's the wall wart that gets warm. Not hot, mind you, but fairly warm. But yeah, they draw current faster when the battery is half full than when it's 3/4 full.

    Never let mine get below half full before I feel an immediate need to charge, either...must be OCD or something. :)

    ROFL... if I can see a bit of space at the top of the battery indicator, and *it's convenient*, I put it on charge. :D Dunno if that's OCD, just that charging takes longer, the lower it goes. But now I have the 1A charger thingie (as well as 2 iSticks), so if I get another -- might get the blue one -- then I can order it battery-only.

    But I tend to agree about using removable-battery mods, I *usually* prefer those, just couldn't resist the great prices on a nice petite mod. Pretty sure that once I satisfy my iStick jones, I'll probably stick to removable-battery mods in future.

    Andria
     

    Robert Cromwell

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    Batteries can be replaced in the Isticks by a competent technician. They are solder in though.
    Not sure if any other internal components are available, have not seen them anywhere.

    Ideally I also prefer user replaceable batteries if the device is well built enough to outlast the original batteries that is.
     
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