Yeah, I was gonna say that as well. We're likely to get more battery time out of two LG he4s than two 3100 mAh Efests/Panasonics.
Vapor Flask V3 DNA40 Clone thread
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I switched the juice out to a creamier blend and upped the power and it seems much better. The juice is 70/30 at 25 Watts, temperature is set to 430F.
When I posted that I meant it purely from a personal viewpoint, not a global one. In retrospect I should have thought a bit more carefully before describing it as such, I'm many things, but a vape-nazi I am not
. Apologies are in order if I offended you.My most extreme build so far was a 0.18ohms dual coil on a mech pulling 100W. which was hot as hell, and never got even close to burning.
I'm using them Croak, mostly because they were cheap. They definitely fit easily in the flask once the stickers are removed. I haven't done any real scientific measurement of vape time on them, but I know I can go about 18 hours between recharges with them as opposed to about 10 to 12 with my two HE2s.
But, honestly, that measurement is so unscientific it hurts. You'd have to vape the same coil, same juice, at specified intervals to get a real, meaningful delta between the two, and I have not done that.
In the interest of science, I just bought a couple of HE4s. I'll let you know how they work out when they get here.
Hmm, OK. I had read a bit about them, and in particular read reviews at lygate-info.dk, who seems to be a major battery testing guy, and they seemed OK?
Here's his review of the Purple 3100mah EFest.
He concluded:
Earlier in the review he talked about it not really being suitable for constant discharge at 20A, which is what I think he means by not matching the ultra high current cells, hence his view is that it's more of a 10A battery.
For a VF, we won't need more than 8A for normal usage, and in any case we never do "constant discharge", only bursts.
Here's a comparison graph (link to the comparator) between that and the Samsung 25R:
Note that my knowledge of batteries is - as you may have noticed - close to zero. So I'm just reporting what I've seen, in what I thought was a very thorough test.
But maybe the thing with EFests is that they're hit and miss, you can get one that's fine or one that's total junk?
I certainly don't really need 6200mah, so if the vaping experience is generally that EFests are junk, I will indeed go for the Samsungs (they're a bit cheaper, too.)
EDIT: Actually I just realised that at the 3.2 volt point, and the lowest discharge rate (0.2A), the graphs cross. Maybe that's what you're referring to? If you discharge them slowly, and if you can't use less than 3.2V, then indeed it might seem like the EFest only provides around the same capacity of the Samsung.
What's the lowest usable voltage in a 40W regulated mod like the VF?
Here's his review of the Purple 3100mah EFest.
He concluded:
lygate-dk said:
Earlier in the review he talked about it not really being suitable for constant discharge at 20A, which is what I think he means by not matching the ultra high current cells, hence his view is that it's more of a 10A battery.
For a VF, we won't need more than 8A for normal usage, and in any case we never do "constant discharge", only bursts.
Here's a comparison graph (link to the comparator) between that and the Samsung 25R:
Note that my knowledge of batteries is - as you may have noticed - close to zero. So I'm just reporting what I've seen, in what I thought was a very thorough test.
But maybe the thing with EFests is that they're hit and miss, you can get one that's fine or one that's total junk?
I certainly don't really need 6200mah, so if the vaping experience is generally that EFests are junk, I will indeed go for the Samsungs (they're a bit cheaper, too.)
EDIT: Actually I just realised that at the 3.2 volt point, and the lowest discharge rate (0.2A), the graphs cross. Maybe that's what you're referring to? If you discharge them slowly, and if you can't use less than 3.2V, then indeed it might seem like the EFest only provides around the same capacity of the Samsung.
What's the lowest usable voltage in a 40W regulated mod like the VF?
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The easiest way to figure out if it's using both batteries is to just put a single battery one tube then the other and see if it works. Just saying
Ah, simple as that?
I guess I figured it might be possible for either battery to work individually, but not both together? But I suppose that's dumb, if they're simply wired together and then wired as a pair into the board, then that's impossible..Thanks! (I'm still going to get a charger that shows the current capacity; I like gadgets!
And besides I will likely get my first mech or two soon. )
Ah, simple as that?
Thanks! (I'm still going to get a charger that shows the current capacity; I like gadgets!
For a charger I have a nitecore D2 (from myopic for a good price as I remember) and it is very good! Just the ticket.
For a charger I have a nitecore D2 (from myopic for a good price as I remember) and it is very good! Just the ticket.
Good to know!
Myopic means short sighted..
Did you mean myepack? If so, that's exactly where I just added it to my basket! They're my go-to vendor. Ordered 5 times from him in the last month and every single time it arrived next day (even when I ordered at 4pm), and his prices are usually the cheapest available. I just wish he stocked a bit more stuff!
Good to know!
Myopic means short sighted..
lol! Just noticed that. Autocorrect sucks badly! I did mean myepack! He is really good! He has the subtank mini spare bases and rba decks. Couldn't find them anywhere else! Really good value and good customer service. Love 'em!
Yeah he's awesome. So far as I can tell, it's just the one guy. I've emailed him a few times, and every reply has come between 1am and 5am. I think he does customer service in the middle of the night, and then sends out packages during the day. God knows when he sleeps!
I was under the impression that companies like efest get the first pick of the 'topline' batteries as chosen by the company they have a deal with. Testing of efest batteries usually shows them to compete as well or better then some of the re-wraps they are supposed to be.
Lenon,
That is basically my experience with the Efest batteries also. Only to get them in my Vapor Flask I have to remove the label and sand them a little. But for they outperform my he2s.
PS - I love well designed products - "The batteries won't fit" - Give me a break
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Can you imagine Maytag giving Sears ,their best customer, reject washing machines? I don't think so.
Lenon,
That is basically my experience with the Efest batteries also. Only to get them in my Vapor Flask I have to remove the label and sand them a little. But for they outperform my he2s.
PS - I love well designed products - "The batteries won't fit" - Give me a break
I didn't have to sand at all. Just pulling the stickers off worked great. Do you have the 30 Amp 2500 mAh or the 20 Amp 3100 mAh?
The one I have are 35 Amp 2500 mAh. I bought them from "Vape101"
If you plan on using TC at all with the Flask, I think you'll find you'll be pulling more than 10 amps, unless you like a really weak, really cool vape. To get down to an 8 amp load on the "typical" 0.15 ohm 28ga Ni200 coil, you'd have to run it at 10 watts, and that's not a good vape, at all, ever, for anyone, running at about half the heat flux even conservative "I like it cool" vapers prefer. It'd be performance on par with a bad cig-alike.
Also, as voltage drops on a battery from use, a regulated mod will correct for this by pulling more and more amps, until the battery goes below the mod's safety setting. So even if you were satisfied vaping while pulling an 8a load on a fresh battery, by the time you got around to charging it, you'd be considerably over that, while still only producing 10 watts.
As for Panasonic (or LG) selling to their best customers, their best customers for high drain IMR batteries are not relatively small volume Chinese re-wrap houses like Efest. It's Bosch, Siemens, Black and Decker, Makita, etc who buy them in the hundreds of thousands for their tools. If a batch of batteries in a production run doesn't meet their OEM specs, but it's still usable, its bottom binned and sold to re-wrap houses. Occasionally, there's a few top bin batteries in a batch sold to Efest, but the bulk are bottom bin. Efest and AMR are the day-old bread of the battery world.
But unlike day-old bread, they tend to charge MORE than you'd have to pay for a top binned OEM version.
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Woo hoo. My flask passed through Billings Montana tonight. Only a few hours from me. Looks like I will be entering the TP world real soon. I want to thank all the contributers to this thread. I have been following it daily and have learned a lot. Looking forward to putting what I have learned to the test.
I said 8 amps because I was accounting for two batteries, and you said the maximum draw of the VF / Evolv DNA 40 was 16 amps? So I thought 16 amps into two batteries is 8 amps each? Or did you mean 16 amps per battery, 32 total?
So I pulled out the HE2 from my Hcigar DNA40 and replaced it with an Efeast 3100 mah. Running Ni200 @ 0.16Ω @ 40 watts, 450F.
Working great so far, I have previously load tested these cells with a .1Ω load and they can do 33 amps with full charge. I certainly don't recommend using them with a load that low.
So I took some voltage readings off the battery during firing, the Efest 3100 mah was 3.38 volts and the HE2 was 3.85 volts.
Clearly the Efest 3100 is lacking with above load with single cell but with two in parallel they will handle it just fine.
I of coarse removed to 3100 from the DNA40 mod.
Looking for an RBA that's big enough to put in a nickel coil? Here' my Taifun Dripper(again probably).
It's hard to see but the center is plugged.
Working great so far, I have previously load tested these cells with a .1Ω load and they can do 33 amps with full charge. I certainly don't recommend using them with a load that low.
So I took some voltage readings off the battery during firing, the Efest 3100 mah was 3.38 volts and the HE2 was 3.85 volts.
Clearly the Efest 3100 is lacking with above load with single cell but with two in parallel they will handle it just fine.
I of coarse removed to 3100 from the DNA40 mod.
Looking for an RBA that's big enough to put in a nickel coil? Here' my Taifun Dripper(again probably).
It's hard to see but the center is plugged.
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