Unregulated squonker safety

[Paul4444]

Hi

I've been vaping for over a year now, mainly on regulated mods but some unregulated tube mods too. I want to try squonking but don't want to buy an expensive regulated device. I've been looking at the mech svapiamo wooden box squonker. I know it has a 2A anti-vandal switch with no fuse or mosfet. My question is how safe are these devices to vape on? I usually build about 0.5-0.8 ohm builds and use high drain Samsung 25r batteries. My understanding is that vaping at these levels will be above the rating of the switch and therefore unsafe, am I correct?

Thanks

Paul

 

[gandymarsh]

Welcome to ECF!

I was hoping that someone with more knowledge than I have would respond to your question.

I would not sub ohm with that device. A switch with a 2 amp rating could weld itself in a closed (on) position which could cause the battery to overheat and vent or worse.

One thing that most people aren't aware of is that most switches are rated for AC voltage. AC is a whole different animal than DC. AC reverses the flow of electrons 50-60 times per second. DC is straight current in one direction so it could hold an arc across the contacts even after the button is released.

I would look for a mod that has a plunger style switch that has a strong spring or magnets to pull the contacts apart. Most quality tube mods use this type of switch.

Edit; A regulated mod or a mod with a mosfet would be much safer.

 

[suprtrkr]

Hi and welcome. I agree with @gandymarsh , a loading above 2 amps with that switch could have unpleasant consequences. I suppose it would be most likely to fail off, but if it failed on... that would be a problem. Reference to the ohm's law calculator informs me that, at full charge of 4.2 volts, an atty will draw 2 amps + at 2.1 Ohms or below. That's pretty far from the .5-.8 you say you like. Now, a SMS MOSFET is pretty tiny, you might squeeze one in there and be fine up to the battery amp limit. But if it were me, I think I'd look elsewhere than that mod, or keep my builds really tall. FWIW, 2A seems unreasonably low for a switch in such an device. You may wish to re-check the spec on the machine...

 

[Paul4444]

Thanks for the replies. That's what I thought though I don't understand why so many unregulated box mods with low amp switches sell so well and are very popular. I got the switch rating by emailing the modder, I agree it seems very low. Thanks again