dwcraig1
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Posts posted by dwcraig1
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https://helpdesk.evolvapor.com/index.php?a=add&category=1
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Same thing happened to my VT133, Evolv had me send in the board and they sent me a new one. They were going to let me send the whole mod but I just sent the board.
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Sorry to tell you but the board is the problem.
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My money would be on the battery contacts...just saying.
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0.3 ohms (hot if TC wire) @ 6 volts =120 watts
0.2 ohms at 6 volts would be 180 watts
Here I'm seeing around 3.65 volts
https://forum.evolvapor.com/topic/65896-topic/?do=findComment&comment=892026 -
What does eScribe show for cells 1 & 2 voltage?
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No additional files are needed for Nichrome or Kanthal, the board automatically stays in power mode when using them.
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You want the 167 version, right?arkha02 said:hey i get some issue for download it. can you email me that .ecig file for dna 250? because i need it very much. thanks d.archady@gmail.com
PM sent. -
Set at 133 watts, got 133 watts....for sure pushing it -
I'm guessing here but all the +'s are really the same no matter their label. So if you pick up power off just one it could power the added board for all buttons.
How about a picture from the side showing how the 6 connections are made from one board to the other? -
I guess I might as well through this in.
The DNA200 has a hard cell cut off of 2.85 volts unless that changed with firmware update, I don't know but doubt it.
Probably the 250 is the same in regards to cut off, again I don't know for sure.
The 200/250 was designed to operate with a LiPo pack not round cells (18650, ect.) hence the higher soft/hard cutoff.
18650's, ect have their mah capacity measured between 2.5 - 4.2 volts, a lipo shouldn't be drained down that low.
So when you use 18650's, ect. with a board designed for a LiPo pack so the capacity of the round cell between 2.5 and 2.85 volts is not usable.
I set my round cell powered 200's 12% lower than what the calculator comes up with.
A firmware update listing the round cells would be an option but for sure folks would be using it with a Lipo and that could end up being a safety issue. Call every thing here "just my opinion" -
It isn't showing the value of the loaded pack (sag), what is the voltage?
Might have two problems going on there, providing that's a TC profile. -
It appears Google Translate isn't cutting it.
Must be: What does "check battery" mean. -
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PM sentEvo1340 said:Yah I just put the new 25r's in and it's much improved. A lot less sag so far. We'll see how it goes as they drain. I can't see anything going on with the contacts.
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I suspect your problem to be with the battery sled contacts, you will soon see. HE2, HE4, 25r's....all good
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here's a screen of my vt133 firing @ 65 watts. cells is are about 4.1 volts unloaded, 3.69 volts loaded. They are Samsung 25r's
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It looks to me as you are hitting the soft cell cut off, either battery, battery connection or both aren't cutting it. Sag under load looks excessive.
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In eScribe under the option tab change the user interface to something other than "clean"
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I just don't have good knowledge of what maximum wattage would be on the 2 cell powered version with your build.
But just going off the fact that 167 is 2/3rd of 250 then 2/3rd's of 175 watts is around 115, I'm just not sure if this is how it would work out or not. -
Well then my earlier posts were made thinking it was a 3S lipo pack.
Connection from batteries to battery contacts need to be considered as a possible problem perhaps, I'm not familiar with what they used there. -
I see no reason that you shouldn't be able to achieve your settings providing the board is receiving correct power battery wise. What battery/type powers your mod.
If I have this figured right (looking at the data sheet/output power) you should be able to hit around 175 watts with that build. -
Are you using it in temperature control mode or wattage/power mode?
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Look closely at #3 and #6
DNA 250 board voltage step down?
in General Discussion
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