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Fixing a Dud Blu Battery

Discussion in 'Blu Electronic Cigarettes' started by kirk359, Mar 23, 2013.

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  1. kirk359

    kirk359 Full Member

    Feb 10, 2013
    So I have been having issues where after about three-four weeks of good vaping on my Blu 100 Batteries, they crap out on me. I had ordered at two new batteries at different points before I got frustrated enough to try and fix them myself, seeing that I was going to be ordering a new battery every month at this rate.

    What was happening: I would be vaping a newly charged battery, and instead of the LED going off after taking a puff, the LED would stay on solid but the atomizer would kick off. The atomizer/cartridge was not firing, so it was not an issue with the battery stuck on, but the LED would not go off either no matter what I tried. I assumed the LED being stuck on signaled some type of short in the internal circuitry.

    So I carefully pried off the top cap of the battery to reveal a small circuit board at the end of the battery, with the LED a solid blue. Using a pair of pliers (with tape over the ends so as to not make electrical contact with the circuitry) I pulled the circuit board carefully up to reveal a small black micro-chip on the under side of the board. I made sure to not disconnect any of the wiring, since it was clear I would never be able to reconnect the small wires to their contact points should I pull them loose.

    Looking at the micro-chip, I would see four small pins on each side connected to the board; the left side had a red wire connected to the base of the circuit board and the right side had a blue wire connected to the base. I then grabbed a straight pin and using the pin carefully made contact with the first two pins on the left side (side with Red wire connection) and the LED went off. I need to say that immediately after the LED went off I pulled the straight pin away. I ruined the first battery I tried this method on by leaving the straight pin touching the chip for too long, causing the board to overheat and melt the chip slightly.

    Ok, so now that the LED went off, I tested the battery by drawing on the cartomizer end. Nothing happened, so I assumed that maybe after causing the chip to short the LED off, I needed to reset it. I took the straight pin and again touched it to the first two pins on the chip (still left side) and the LED blinked 3 times and turned off. I then tried drawing on the battery, and wallah! The battery works again! I put the plastic end cap back on, used the battery for 65 more puffs before it blinked 30 times indicating it needed charging. Plugging it into the USB charger, the battery began charging and took 45 minutes to reach a full charge. Everything is still working great!

    I have done this three other times to my other batteries (I have three now) in the last two weeks as they experienced similar issues with the LED staying on and not heating up the atomizer in the carts. It seems the batteries under normal daily usage only last about a month before this happens, but using this trick I should be able to get many more months of use out of them. And I won't have to keep giving Blu $15 every month for a new battery.

    I have read other posts about Blu users having similar issues with Batteries going dead or being duds, and it is my hope this helps someone or will keep others from having to go through several batteries and ultimately give up on Blu. I love their product and am very pleased with the vaping experience on my Blu 100. Having fixed a BIG battery issue and knowing that I can solve battery issues in the future has really helped me to stick with Blu, whereas I might have tossed it after ordering battery after battery after battery.

    I can try and upload some pictures of the circuit board and the pins I mention if it helps or someone needs them. Just let me know.

    Analog free since 1/1/13
    82 packs avoided
    1,640 analogs avoided
    $458 saved
  2. chellemmm

    chellemmm Chihuahua Queen ECF Veteran

    Mar 4, 2013
    WOW. I just had my blu batt die because the blue light stays on. I am too scared to try this "fix" because I know I will blow something up! :blink:
  3. kirk359

    kirk359 Full Member

    Feb 10, 2013
    I know what you mean; when I did this I figured what have I got to lose since the battery is dead anyway. You won't blow anything up as the battery has a circuit protection in it seperate from this circuit board. Worst that might happen is the wires from the board pulls loose or the board shorts out if you touch the wrong thing. But if that happens you were gonna have to order a new battery anyway. If you have a steady hand it might be worth a try as it has saved me three batteries so far.
  4. ilovehugehits

    ilovehugehits Moved On

    Jan 28, 2013
    They're warrantied for a year.
    I know it would take a few weeks, to get a replacement battery or PCC.
    Knock on wood. I've had mine for several months.
    No problems with the hardware yet.
    That's why I have the Jet kit as a backup.
    Not worth playing McGuyver with that stuff.
  5. Koman

    Koman Moved On ECF Veteran

    Jan 7, 2010
    Do you really think it will blow up lol?
  6. David Sweatshirt

    David Sweatshirt Full Member

    Jun 5, 2013
    Pictures would be tremendously helpful because I'm having this exact problem and actually just started a thread asking about this
  7. ScottBrooks

    ScottBrooks Full Member

    May 21, 2013
    Towson, MD., USA
    This is great for batteries out of warranty, but if you try this to a battery in warranty you will most likely void the warranty. IMHO not worth the effort if you can just return it for a few bucks in postage. I have 6 of the 100 batteries now for about 2 months and no problems yet. (I have since switched to Vea, so they do not get much use now, just backup.)
  8. BostonVape

    BostonVape Ultra Member Verified Member ECF Veteran

    Feb 25, 2013
    another method for fixing a blu e-cig: throwing it in the garbage.
  9. PDADoc

    PDADoc Senior Member Verified Member ECF Veteran

    Jun 9, 2013
    I agree; I don't know if I would want to be messing around with anyone's batteries, but especially those.
  10. uba egar320

    uba egar320 Vaping Master Verified Member ECF Veteran

    Dec 9, 2009
    I thought the only way to fix a blu was to shoot it lol

    Seriously though, props to the op for getting in there and making something happen. Good stuff.
  11. PDADoc

    PDADoc Senior Member Verified Member ECF Veteran

    Jun 9, 2013
    Now THAT'S funny! :laugh:
  12. solar flare glass

    solar flare glass Full Member Verified Member

    Apr 15, 2011
    Well...buying a blue battery at the local gas station, is better than buying a pack of stinkies!
  13. Koman

    Koman Moved On ECF Veteran

    Jan 7, 2010
    Ha ha, amen to that!
  14. BLU-HELP

    BLU-HELP Full Member

    Aug 31, 2013
    Just wanted to say thanks for writing your thread I was lost searching google about my blu battery and found your thread. Great forum with so much good information. Make it a great day!:vapor:
  15. Skymutt

    Skymutt Senior Member Verified Member ECF Veteran

    Aug 14, 2013
    Steel City, PA, USA
    I want to say thanks as well. I haven't had any problems in the month or so I've had my blu's but I'm big on DIY anything. I just got an old used blu kit from ebay, mostly for the USB charger and so I can tinker with the PCC parts. One of the bats was doing exactly the same thing last night while I was cleaning the contacts with isopropyl alcohol. It started working again once I plugged it into the USB charger, but now I know how to fix it if it happens again.

    I also can't help but comment that while I understand people have had many problems with blu products, the snarky comments that end up being posted whenever there's a question about or solution to a blu issue are annoying. Posts like that do nothing to add to the OP's contribution, and often derail what may have been a useful thread. I think the lanyards some people wear around their neck with a PV in it look tacky, but I don't go into ego threads and make moronic comments about them. Why? Because unless it's a thread asking for opinions on lanyards, my opinions don't belong there.
  16. Johnnysb
    This message by Johnnysb has been removed from public view. Deleted by a moderator, Jan 22, 2014, Reason: Linkspammer.
    Oct 6, 2013
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