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  1. #21
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    @Howie if i'm reading your working voltage paragraph correctly a suitable choice for me would be IFR, as i don't sub-ohm and i use the 3-3.4 range 90% of the time. I don't see them in Canada though, and wonder if Efest purple would be a good choice? They have up to 2500 mah at Canvape. Are they worth the money over standard Efest?

  2. #22
    Mentor bobsyeruncle's Avatar
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    Quote Originally Posted by Howie View Post
    INR18650 Is a code. Lets break it down

    INR 18 650

    INR tells me what the battery is made of inside. The guts. Ill get to that.
    18 tells me this battery is 18mm wide.
    650 tells me the battery is 650mm long.
    3.7V is the working voltage. (That too. We'll get to it, chill)
    Um, 650mm is just over 2 feet. A "650" is really 65mm (6.5cm) long. (I'm not sure what the "0" actually means, though.)

  3. #23
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    Quote Originally Posted by bobsyeruncle View Post
    Um, 650mm is just over 2 feet. A "650" is really 65mm (6.5cm) long. (I'm not sure what the "0" actually means, though.)
    O refers to it being a round cell.

  4. #24
    Guru Vapowulf's Avatar
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    Quote Originally Posted by BXfan View Post
    @Howie if i'm reading your working voltage paragraph correctly a suitable choice for me would be IFR, as i don't sub-ohm and i use the 3-3.4 range 90% of the time. I don't see them in Canada though, and wonder if Efest purple would be a good choice? They have up to 2500 mah at Canvape. Are they worth the money over standard Efest?
    If not sub-ohm-ing, the best 18650 battery IMO is Panasonic NCR18650PF, because it is a high-drain, safer chemistry battery, with very nice 2900 mAh. It is rated at 10A continuous discharge.
    If you thinking about sub-ohm at some point, the best battery now IMO is Sony US18650VTC5, with again very nice 2600 mAh. It is rated at 30A.

  5. Thanks BX fan thanked for this post
  6. #25
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    Quote Originally Posted by Vapowulf View Post
    If not sub-ohm-ing, the best 18650 battery IMO is Panasonic NCR18650PF, because it is a high-drain, safer chemistry battery, with very nice 2900 mAh. It is rated at 10A continuous discharge.
    If you thinking about sub-ohm at some point, the best battery now IMO is Sony US18650VTC5, with again very nice 2600 mAh. It is rated at 30A.
    Are the Panasonic available in Canada?

  7. #26
    Advanced Mentor Anonymous's Avatar
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    Quote Originally Posted by bobsyeruncle View Post
    Um, 650mm is just over 2 feet. A "650" is really 65mm (6.5cm) long. (I'm not sure what the "0" actually means, though.)
    Yes this is correct. What I get for making long posts wee into the night... Actually early morning that day.

    Add a . before the zero to get the measurement. so 650 would be 65.0.

  8. #27
    Advanced Mentor Anonymous's Avatar
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    Quote Originally Posted by carpenter View Post
    O refers to it being a round cell.
    The "R" in the nomenclature is IEC standard.

    R Round, (coin, button or cylindrical)
    P Not round
    F Flat (layer built)
    S Square (or rectangular or prismatic)

  9. #28
    Guru Vapowulf's Avatar
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    Quote Originally Posted by BXfan View Post
    Are the Panasonic available in Canada?
    I'm not sure who carries them here. I got mine from fasttech, at a 3-week wait, but good price. http://www.fasttech.com/product/1455...echargeable-li
    I love those batteries. I say good night to them and pat their little heads.

  10. #29
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    Ok, thought this would be a good example. These cells were harvested out of.... something I wont mention here for vaping and another project.

    So we have an obvious INR18650 (Blue).. An LG something or other in salmon.. Purple.. Ish... And a lovely silver battery just for the picture's sake..

    So how do we figure out what the mystery purple one is?

    Google search for the top number.. LGDBB31865. This identifies this battery as a 2600mAh mad by LG in the 18650 format.

    So search a little bit further and that brings me here...

    http://www.candlepowerforums.com/vb/...d.php?332416-a

    So the info tells me that its rated for 3.75A... (Or 1.5C ish depending on how you want to look at it).

    Next we open the Ohm's law calculator located here:

    The voltage is 3.7V, next add in the desired resistance (Ohms) lets try... .5Ohm

    7.4A. Woooaaahh! This battery isnt going to like this at all. Lets up the resistance a bit. .8Ohm.

    4.6A. Hmm. Still over the rating. Up a bit more.. 1Ohm

    3.7A. Perfect. The lowest resistance coil I should put on this guy is 1 Ohm.

    This is handy for those people who want to vape below 1 ohm, or someone who build coils on their own to give a little more clarity on how to set up thier coils to match thier batteries.

    I normally vape in around 2.0 to 2.5 Ohms.. So Lets put in 2.25 for a nice middle of the road.

    1.64A. Or half the batteries rating. So for my set up. This will work wonderfully, and will probably give a little more then 2 hours of vape time. (Continuous, always on, which we dont. We puff.. Then off. Puff a bunch more then are good for a bit.)

    So why did I post this? If your grabbing cells from sources like.. laptop battery packs, (I don't recommend this at all unless you know what your doing) then you might find some.. Surprises along the way. Mystery batteries.. Etc. This might help people sort those issues.
    Last edited by Anonymous; 05-04-2014 at 06:35 PM.

  11. #30
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    This is my charger and IMHO, one of the best you can get for charging pretty much anything.. Handles 2-22V Lithium or NICD/NIMH, has a built in analyser and discharger and safety features up the wahzoo..

    The black wart on top is the tempurature probe, the base the battery sits on is a heavy magnet so your cell doesn't roll away and the best part is the display. It tells you how many minutes you have charged, the voltage its charging at (which it sets itself) and the mAh its put into the battery. It also shuts off by itself.

    You can pick them up for about 80 bucks but they are hard to find sometimes.


    Sent from my HUAWEI Y300-0151 using Tapatalk
    Last edited by Anonymous; 05-04-2014 at 07:05 PM.

 

 
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