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shoutcast

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Reply with quote  #1 
Hey Everyone,  Got to say I am not happy with the DNA75..   So many issues.. Starting to think it just wasn't designed well to work well for a single battery.. Don't have any issues on my DNA200 133..   First it eats battery.. I am using a single 18665 LG2 3000mAh.. Now I have both a Pico and a evic mini with the same battery that seems to last twice as long with pretty much the same settings on all devices.. I have done the battery analyzer and the case analyzer with no change in battery time.   Also the weak battery issue is so annoying.  I know it is just battery sag but dont' seem to have those issues on my other devices.  Again another problem is temp protection and constancy of vape.. SS is always hitting temp protection. it vapes ok for a bit then starts to hit temp protection.. again same profile on my vt133 does not have this issue.. Now I will state that i am no expert at escribe so i may just be doing things wrong but these problems make me wish I never bought the DNA75.  DNA75 seems like it is nothing more then a restricted DNA200 chip.. Def not a ground up chip design..  Seems like when they put this out there were just trying to cash in on the single battery market without really putting alot of effort into it ..  maybe it was a rush design due to the August 8th deadline..  I don't know.. but the chip feels rushed and incomplete with alot of issues.
black lace

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What kind off power are you putting through it?
I ask the question because there are a lot of tabels that indicate actual usage time/power.. battery.. ect.. regardless of device.. would be interesting see an actual run time..
retird

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Reply with quote  #3 
Which DNA75 device do you have? Can you post a screenshot showing the General tab as shown in EScribe and a screenshot of Device Monitor while firing your device?  
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shoutcast

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Reply with quote  #4 
I am at work won't be able to do that till I get home.. but I am using a 18650 LG2 3000mAh...  I got the Hcigar tv75
dwcraig1

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Reply with quote  #5 
So as some of you know I received my SMY SDNA75 yesterday and am using a LG HD2 (2000mah, 25 amp) in it. My atty is a Bellus firing at 40 watts with 1 sec hard preheat @ 50 watts. I'm still kind of testing it out but so far I'm not noticing anything negative concerning battery life. I'm using it just as I use my Silo 900 and honestly I'm not noticing any difference.
My voltage right now is reading 3.6 volts and still no sign of "weak battery". I'm going to use it till it tells me. I do expect to get less time as the watt hours are not the same.

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dwcraig1

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Reply with quote  #6 
So tonight before I left for work I changed the battery in my SMY 75, it was down to 3.4 volts on the screen and no sign of weak battery.
I used probably 8 ml of juice before changing the battery, maybe more. Nothing too scientific about it but I noticed nothing unusual about battery life

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I am not connected with and do not represent Evolv Inc. All opinions are my own. They are just opinions and may not be correct.
shoutcast

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Reply with quote  #7 
looks like i bought fake lg hg2 batteries for it.  when i looked at them more closely i noticed they were different..  and put in one of my other lg hg2 batteries.. that would also explain the weak battery warning for i have not had it with my other lg batteries.  but my temp control still kinda sucks.  but as for the battery.  battery life is so much better now. but as of today just got my 26650.. so we will see how that works out.  sorry for the rant..
black lace

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Reply with quote  #8 
Theres a lot of crap about now mate..
whos the manufacturer of the 26650 battery?
SF0059

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Reply with quote  #9 
You definitely could have fake HG2s, as @black lace pointed out there are a ton of them out there.

The other thing to note is that depending on how you are running your atty (temp control, resistance) the DNA75 board can draw as much as 28 amps continuous or 32 amp pulse. The LG HG2 is a 20 amp continuous battery. So if you are working it anywhere above 20-22 amps you will see battery life drop drastically and you will get worse performance than a 25 amp 2100 mah battery like the LG HD2C or Sony VTC4. The 3000 mah only matters it if you are using it within the batteries current limits.
Jentz9517

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Reply with quote  #10 
Quote:
Originally Posted by shoutcast
looks like i bought fake lg hg2 batteries for it.  when i looked at them more closely i noticed they were different..  and put in one of my other lg hg2 batteries.. that would also explain the weak battery warning for i have not had it with my other lg batteries.  but my temp control still kinda sucks.  but as for the battery.  battery life is so much better now. but as of today just got my 26650.. so we will see how that works out.  sorry for the rant..

ya I got a couple fakes on ebay a few months back.. when I went to seller for a refund with all the facts on legit vs. fake He with no questions asked gave a refund and some excuse.. I went with those hohm life 3077 mah they seem to be good
Swainesmatee

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Reply with quote  #11 
I literally every brand of 26 650 batteries and Dunham last longer than LG hg2, if they do it's not by far in the batteries sag is so bad I can get down to like 10 percent on a vtc 5 and only 50 on a 26650.

I like my little vt75 nano.
cobalt327

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Reply with quote  #12 
Quote:
Originally Posted by dwcraig1
So as some of you know I received my SMY SDNA75 yesterday and am using a LG HD2 (2000mah, 25 amp) in it. My atty is a Bellus firing at 40 watts with 1 sec hard preheat @ 50 watts. I'm still kind of testing it out but so far I'm not noticing anything negative concerning battery life. I'm using it just as I use my Silo 900 and honestly I'm not noticing any difference.
My voltage right now is reading 3.6 volts and still no sign of "weak battery". I'm going to use it till it tells me. I do expect to get less time as the watt hours are not the same.
Quote:
So tonight before I left for work I changed the battery in my SMY 75, it was down to 3.4 volts on the screen and no sign of weak battery.
I used probably 8 ml of juice before changing the battery, maybe more. Nothing too scientific about it but I noticed nothing unusual about battery life

First, sorry for bringing an old thread back up. But I just ordered the same mod and wanted to know if you're still getting ~ 8ml from one 18650 battery. And what temperature is this at?

TIA

dwcraig1

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Reply with quote  #13 
I have no idea, back then I was checking on battery life. I generally keep it on the upper end of the charge never letting it get very low.
Using a Kayfun 5 clone instead of Bellus, 40/50 watt @ 430.....it never throttles down (normally)
I'll see what I can do about getting an answer for you.

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cobalt327

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Reply with quote  #14 
I tend to run my attys around 400-420 deg. F @ around 30w using a Ni200 coil between 0.07 and 0.09 ohm. No preheat on the TC mods I currently use (VTC Mini, Presa 75 and 100 and even a Sig 75). If I could get 7-8 ml out of a 25R in my SMY SDNA 75 before it sagged too much, I'd be dee-lighted! Batteries are in VG condition, I recharge @ 0.5A when they reach ~ 3.35 to 3.4v.
dwcraig1

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Reply with quote  #15 
I just got through 8 ml of juice, not a drop was left in the tank (2nd tank) of my Kayfun 5 with glass tank. Just after I hit 8 ml the next fire was with battery icon flashing. This is 40 watt, 50 wat preheat, my drags are just under 2 seconds so it was mostly at 50 watts. 3.6 ohm ss430.
This was with an LG HD2, 2000 mah, 25 amp cdr, a 25r might do even better.

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I am not connected with and do not represent Evolv Inc. All opinions are my own. They are just opinions and may not be correct.
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