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Thinking about building a 70A duel 18650 unregulated unprotected box mod for competitions

Discussion in 'Cloud Chasers' started by Ryan419, Dec 8, 2014.

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  1. Ryan419

    Ryan419 Full Member

    Aug 13, 2014
    Tulalip WA
    So from the reading I've done when you have duel 18650 in parallel you not only double the mAh but the Amps as well.

    So found a switch (only $3.50) that can take 60A at 120V DC and 40A at 240v DC at 240V just waiting to find out if it can do 70+A at 4.2A and less.
    Its not very pretty sticks out kinda far and is rubber but if it can handle a 70A pulse I will not need a mosfet and 15 k ohm resistor.
    Might try to find 35A fuses like the 15A that come in the dyi kit.
    Not having much luck finding one though anyone know if a 35A car fuse would work?
    But if not staying at .06 ohm + should still be safe for one hit at a competition!

    So want to know what other cloud chasers think of this?
     
    Ryan419, Dec 8, 2014
    Ryan419, Dec 8, 2014
    #1
  2. SLIPPY_EEL

    SLIPPY_EEL Vaping Master ECF Veteran

    Oct 11, 2013
    Ω England Ω
    yes you can use the car fuses
     
    SLIPPY_EEL, Dec 10, 2014
    SLIPPY_EEL, Dec 10, 2014
    #2
  3. johndoe1027

    johndoe1027 Senior Member Verified Member ECF Veteran

    Sep 18, 2014
    NC, USA
    I've not found a momentary switch that is actually rated for anything near 60ADC. I bought one on ebay that was advertised as such but I don't trust it.

    Is this the one you're talking about? I don't trust chinese ebay pages at all. Grainger I trust though. Lower Voltage DOES NOT mean more amperage.
    WP113618 Off/Momentary On Extra Heavy Duty Push Button Switch - Grainger Industrial Supply

    Quigsworth says the car fuses are fine for mods and I trust him wholeheartedly. He knows his stuff.

    Be looking at wicking methods though. I haven't found anything that'll keep up even at 190W (which I have done on a series mech box). You're talking about 294W.
     
    johndoe1027, Dec 14, 2014
    johndoe1027, Dec 14, 2014
    #3
  4. johndoe1027

    johndoe1027 Senior Member Verified Member ECF Veteran

    Sep 18, 2014
    NC, USA
    PS - I think it's dual. Duels end in one of the parties dying. ;)
     
    johndoe1027, Dec 14, 2014
    johndoe1027, Dec 14, 2014
    #4
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