IPV D2 announced.

[Ec!g]

The safe limit for 20 amp batteries (like the he4) is about 55w (battery drained all the way down to 3.2v, 90% device efficiency - single 18650). You need a 30 amp battery for 75w (the safe limit of a 30 amp battery, with the same parameters as above, is around 85w).

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So much wrong with this post.

So how is the new v2 deck and new occ? Any idea what wattage you can run them at. I can't run v1 stuff past 30w without a dry hit

The v2 deck has no more threads for the barrel/chimney/sleeve. ...whatever you call it. Has no more liquid channels and has a screw hole on one of the posts. Other than that it's the same. The new occ are vertical and the sub 1 ohm ones have larger liquid holes also.
Running them at higher wattage should be possible now do to increased air flow and much better liquid delivery.

 

[KenD]

So much wrong with this post.

Such as?

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[TruSound]

Little bit high on shipping though

How much to ship ?

 

[Ec!g]

Such as?

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Every single Ah/watt statement you made.

 

[KenD]

Every single Ah/watt statement you made.

So, give the correct answer. After that you might want to check steam-engine to see that I'm correct.

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[Ec!g]

So, give the correct answer. After that you might want to check steam-engine to see that I'm correct.

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Ok, you went there. School is in session.

Ohms law tells us that fully charged 18650 (4.2V) @ 20 amp discharge will equate to a resistance of .21ohms and 84 watts.
@30A it tells me 126W.

Btw steam engine uses the same calculator and yes gives the same results (minus 10% for regulated devices efficiency ).

 

[KenD]

Ok, you went there. School is in session.

Ohms law tells us that fully charged 18650 (4.2V) @ 20 amp discharge will equate to a resistance of .21ohms and 84 watts.
@30A it tells me 126.

Btw steam engine uses the same calculator and yes gives the same results (minus 10% for regulated devices efficiency ).

Yours is a bad school. Those calculations are correct for unregulated devices, but not for vw devices. With vw the resistance doesn't matter. Here's the calculation.

Watts used / current charge level of the battery

Example:
55w / 3.2v = 17.1875 amps
/.9 (90% device efficiency) = 19.097 amps

You might want to make sure that you know what you're talking about before you try to teach...

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[Ec!g]

Calm down b4 you make a fool of yourself.
Your starting voltage is wrong.

Here's the stream engine screen shot of a 90% efficient device at .5 Ohms with a fully charged 18650.

 

[KenD]

Calm down b4 you make a fool of yourself.
Your starting voltage is wrong.

Here's the stream engine screen shot of a 90% efficient device at .5 Ohms with a fully charged 18650.

Yes. Do you notice the difference between the battery drain and what the atty sees? Now decrease the battery voltage and see that the battery drain increases.

I'm not the one who's making a fool of myself...

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[KenD]

Calm down b4 you make a fool of yourself.
Your starting voltage is wrong.

Here's the stream engine screen shot of a 90% efficient device at .5 Ohms with a fully charged 18650.

That's your setup with the battery drained to 3.2v. Notice the increased battery drain, well beyond the limits of a 30 amp battery.

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[Ec!g]

Well yes you are because you said a 20Ah battery can not go above 55W.
Even if it is for 5 pulls on an atty before the voltage drops, it's still capable of going WAY above that.

3.2 volts is the cutoff for most regulated devices. Not nominal and not actual voltage.

 

[KenD]

And here's a 90% efficient device set to 86w, with a single 18650 drained to 3.2v. So around 85w for a single 30 amp battery, as I said...

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[KenD]

Well yes you are because you said a 20Ah battery can not go above 55W.
Even if it is for 5 pulls on an atty before the voltage drops, it's still capable of going WAY above that.

3.2 volts is the cutoff for most regulated devices. Not nominal and not actual voltage.

Sigh... I've shown you that you were wrong but you're still going at it. Sure, any battery can be pushed beyond its specifications. It's just not very smart. And this discussion was about what you can SAFELY do with your batteries.

Also, I wasn't saying anything about the amp hours (the capacity), I was talking about the constant discharge rating.

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[Ec!g]

Factory spec on ANY 18650 rechargable cell is Nominal 3.7V and Max 4.2V (aka actual voltage). That is not beyond safe spec.

What you're referring to is the the cr123A or 16340 size cell.

Those have a diff nominal voltage.

 

[Ec!g]

As an example, the LgHe4 spec sheet.

Looks like I was off .1V for nominal (not the issue since we're talking the max supported which is what most chargers do).

 

[crxess]

Every single Ah/watt statement you made.

Assuming Mechanical calculations directly relate to Regulated Mods.
Circuitry ramps up power through the board and built-in Safety features protect from battery overload.
Been this way for quite some time.

For anyone concerned - Sony VTC4
However the Vape times will be approximately the same on HE2/4 R25 and VTC4

 

[MegaVap]

How much to ship ?

$6.50 is the cheapest option

 

[MegaVap]

 

[soulseek]

that whole review thread is nuts. There is one dude asking why it should lock the resistance at all in TC mode as if this is something strange...Obviously some sensible posts

It's pretty sad. There is this whole pointless thread because some clueless person made a review about a device and claimed something completely false. Wish people used their heads and checked the facts before overreacting.

 

[Mazam]

Little bit high on shipping though

Not really. They just only offer priority shipping on it, which is priced normal and only an arguable con.

If i didn't already have one coming from 101, $61 shipped there for that package is pretty much on par with the preorder deal i got imo. Not sure i'd actually ever use that pouch, but the carbon thingy and extra batt is solid for an extra $5.