Fireflies E07 preview

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netprince
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Cool mod… where is the best place to get those LH351D 5000K W6?

DB Custom
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I actually like the 70 CRI 5000K W6 better than the 80 CRI 5000K U6, just seems whiter to me and that’s what I like. AAAND, more powerful. Big Smile

DigiKey has had them, not sure if they still do… pretty cheap as well. Wink (they show some 720 in stock as of a few seconds ago)

jdh00
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Dale, you were the inspiration behind this swap, so thanks for showing me the light. Big Smile

I got 35 of them from DigiKey recently.

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[quote=timbo114]Do the cooling fins on your grey unit have chamfered or sharp edges?[/quote]

I just got a gray one last month. The fins are squared off and you can catch your skin on them pretty easily. Meh whatever. I’d be more concerned with how the driver thermal steps down from turbo in under 10 seconds due to the lack of thermal paste that’s been discussed. Fins don’t do much good if it overheats at the mcpcb and driver that quickly don’tcha think. Now we’re talking major design and buld flaw on yet another Fireflies torch.

Nokoff..still Made in China 山寨主義

DB Custom
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You bet jdh00, really rocks now in output too doesn’t it? Big Smile

Getting em like that, in a quantity, brings the price down to below $2 each, can’t resist when I’m at their site and got 30 last time myself. Really liking these Samsung emitters, funny, that, as I was going to resist trying them at first. lol

DB Custom
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I just a few minutes ago ordered a fairly pricey chunk of Tellurium Copper… in part to make a finned heat sink extension for my E07, seems to need it these days… Wink

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I’m having a lot of issues where I keep squeezing the o-ring out of the rear on mine, it gets pinch between tail cap and the body. Looking at the O-ring groove it doesn’t look like it’s machine very well it doesn’t look like a typical light would be cut. There’s also pretty bad galling in the groove.
I’ll get my real camera and take a pic later but in the mean time, Dale would you mind giving your professional opinion on yours?

 RIP  SPC Joey Riley, KIA 11/24/14. Now I am become death, the destroyer of worlds.

DB Custom
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Mine has a semi-slim clear o-ring that fits perfectly, no bind no pinch. I don’t remember if it came that way or if I changed it, to be honest, but since the head end also has a nicely fitted clear o-ring I’m going to have to assume this is the way it came. The groove does seem to be pretty minimal under the o-ring, hadn’t noticed it as I didn’t remove the o-ring before. Mine has the o-ring groove cut in a rounded profile that matches the o-ring, looks smooth and well cut though.

shirnask
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Does it look like this?
]

tundraotto
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Dale & jdh00 – Your LH351D emitter swap looks a great idea. What is the output level of the LH351D vs the stock XPL-HI? I understand it that they are pretty close in output (unlike the SST-20 that seem way behind in lumens) – but don’t know what the result is in the real world. I like floody more than throwy so the swap is very tempting….

TSO
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So…ordered mine from Nielsgadgets about 12 days ago, paid for the express shipping…
My Paypal account has been charged (indicating order processed by Neil’s website), but i haven’t even got a “shipped” notice yet.
Guess I’m not going to get it in “7-9 days”. Sad

Tom E
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TSO wrote:
So...ordered mine from Nielsgadgets about 12 days ago, paid for the express shipping... My Paypal account has been charged (indicating order processed by Neil's website), but i haven't even got a "shipped" notice yet. Guess I'm not going to get it in "7-9 days". :(

You hit the Chinese holiday bout perfect. Just got an Ali order shipped tonight - they are just getting back to work.

DB Custom
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The Samsung LH351D in W6 power bin is more like the XP-L2 in output than it is the standard XP-L emitter. Without the undesirable qualities of the 2.

DB Custom
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I am curious to learn how the driver would detect excess heat and step down in a situation where this same heat isn’t reaching the cooling fins…?

Hold the head, at the fins, and engage Turbo… how long til you can’t hold these “useless fins”? Wink

nokoff
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TK said the heat travels via the power wires earlier in this thread. Shit gets hot, bezel and fins, and steps down in 10 seconds from polar vortex cold. Fire it up again you’re looking at 5 seconds. It’s wack

Nokoff..still Made in China 山寨主義

DB Custom
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Most of the heat is transferred through contact between the thick copper MCPCB and emitter shelf (even if only the edge of the MCPCB is in contact). The negative lead can carry thermal energy to the driver but of course the driver itself is in contact with the head in proximity to the fins, so either way, the fins are getting to do their job. Wink

Married? Have a Gold wedding band? Touch the band at the top with a piece of ice, even carefully using only a tiny contact point, amazing how quickly the inside of the band gets ice cold….

TSO
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Tom E wrote:

TSO wrote:
So…ordered mine from Nielsgadgets about 12 days ago, paid for the express shipping… My Paypal account has been charged (indicating order processed by Neil’s website), but i haven’t even got a “shipped” notice yet. Guess I’m not going to get it in “7-9 days”. Sad

You hit the Chinese holiday bout perfect. Just got an Ali order shipped tonight – they are just getting back to work.

Well dang.
Looks like they came off vacation long enough to charge my PayPal last Sunday, though, lol.
Do people normally get a notice when shipped? I seem to remember when I bought my Emisar lights, I never got any shipped or tracking notice and it just showed up in my mailbox one day.
That was directly from Hank, though, and not Nielsgadgets.

Tom E
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The Chinese holiday schedules are all over the place but in this time frame. Think the 15th is the normal date to return, but some take longer. I've ordered twice from Neal since his new website, and get emails when the order is placed, and when the order is shipped. On your order status detail, when it's shipped you should see tracking info, if applicable.

 

With Hank at IOS, I have dozen's and dozen's of orders over the years. Nothing changed much, but lately, even if you pay for tracking he does not give the tracking # to you -- you have to ask. And always - Hank uses the 3 day rule - place an order, 3 days later it's shipped. You can only order items he has in stock. Why the 3 days delay? No idea, but that delay has worked for me many times -- adding a quick order of stuff I forgot, then he roles the orders up into one shipment. Very reliable retailer/vendor, and uses the best shipping option depending on time of year, current trends, etc.

With Neal as a retailer, this is all new pretty much, though he's shipped tons of product. My last order took 2 weeks to ship - his stock vs. listed items is not so in sync at times, but I had some special stuff goin on in that order, and he upgraded my order anyway.

DB Custom
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I ordered some White Flats from Hank on Dec 28th, still no sign of them. Asked for the tracking number I paid for several weeks in, it still shows nothing at all… so YMMV

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DB Custom wrote:
I ordered some White Flats from Hank on Dec 28th, still no sign of them. Asked for the tracking number I paid for several weeks in, it still shows nothing at all... so YMMV

Ouch! That's not good. I ordered $80 worth of LEDs, including white flats, on Jan 20th, shipped Jan 24th and received them bout a week ago.

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Yeah, I got White Flats on boards along with more of the 32mm Quad boards and Angie optics to go with them. Ordered Dec 26, got a shipped email on the 28th, asked for the $2 tracking number I’d paid for a week or so ago. The tracking number hasn’t showed it to have even shipped. $42 worth of stuff so not a huge amount but one of the Angie optics is to replace the one that got burned in my Q8 Ham’r light so it’s kinda been nagging at me. lol

Edit: As a base for comparison, I ordered a Rhinoshield screen protector for the original Google Pixel on Feb 12th, it shipped on the 13th and tracking says it will be here in 4 days… this order confirmation email had a big notification in red lettering stating “Due to the coming Lunar New Year holiday, If your order is placed between January 30th 21:00 CST and February 11th 21:00 CST, your order will not start processing until February 12th. Thank you so much for your patience and understanding!” They are based out of WAN CHAI, HONG KONG, I don’ tknow if it shipped from there or not.

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Can someone say if this vapcell battery is good for this light? or is the samsung 40t the best ?

https://eu.nkon.nl/rechargeable/21700-20700-size/vapcell-inr21700-4500ma...

or what about this efest, will it fit even ?

https://eu.nkon.nl/rechargeable/21700-20700-size/efest-21700.html

since i dont have any 21700 batteries i would order from nkon so thanks in advance for what is the best for this light.

...where Frugal meets with Flashlight!

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mortuus wrote:
Can someone say if this vapcell battery is good for this light? or is the samsung 40t the best ?

https://eu.nkon.nl/rechargeable/21700-20700-size/vapcell-inr21700-4500ma...

or what about this efest, will it fit even ?

https://eu.nkon.nl/rechargeable/21700-20700-size/efest-21700.html

since i dont have any 21700 batteries i would order from nkon so thanks in advance for what is the best for this light.

Why not buy the real thing? They have the Samsung 40T in stock.

https://eu.nkon.nl/rechargeable/21700-20700-size/samsung-inr21700-40t-40...

Tom E
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The 30T and 40T are the real thing - nothing beats them. Test results in post #1506 here.

mortuus
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RobertB wrote:
mortuus wrote:
Can someone say if this vapcell battery is good for this light? or is the samsung 40t the best ?

https://eu.nkon.nl/rechargeable/21700-20700-size/vapcell-inr21700-4500ma...

or what about this efest, will it fit even ?

https://eu.nkon.nl/rechargeable/21700-20700-size/efest-21700.html

since i dont have any 21700 batteries i would order from nkon so thanks in advance for what is the best for this light.

Why not buy the real thing? They have the Samsung 40T in stock.

https://eu.nkon.nl/rechargeable/21700-20700-size/samsung-inr21700-40t-40...

Out of stock :/ so i take it the 40t are ideal for this light then and fits ok ?

...where Frugal meets with Flashlight!

RobertB
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mortuus wrote:
RobertB wrote:
mortuus wrote:
Can someone say if this vapcell battery is good for this light? or is the samsung 40t the best ?

https://eu.nkon.nl/rechargeable/21700-20700-size/vapcell-inr21700-4500ma...

or what about this efest, will it fit even ?

https://eu.nkon.nl/rechargeable/21700-20700-size/efest-21700.html

since i dont have any 21700 batteries i would order from nkon so thanks in advance for what is the best for this light.

Why not buy the real thing? They have the Samsung 40T in stock.

https://eu.nkon.nl/rechargeable/21700-20700-size/samsung-inr21700-40t-40...

Out of stock :/ so i take it the 40t are ideal for this light then and fits ok ?

Darn, sorry about that. Thought it said in stock when I posted it, but yes the 40T is what many are using. Vapcell and Efest don’t manufacture batteries, they rewrap several manufacturer’s brands with their own shrink wrap. This Vapcell Nkon sells is actually a Samsung 40T. https://eu.nkon.nl/rechargeable/21700-20700-size/vapcell-inr21700-4000ma...

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Vapcell has been doing that with a few cells - rewrap known good brand/models, but they seem to add a couple dollars, for the wrapping I guess... But there's seem to be more readily available, typically. Good example is the VTC5D Vaocell rewrap.

DB Custom
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I used to use a LOT of Efest cells, when people said it was a rewrapped this or a rewrapped that, I compared them. Removed wrappers and ran output tests. The Efest cells were never the same physical build as the supposed cell it “wrapped” and always performed better. Still have a lot of Efests, of all sizes, but after 6 years some of them are dying off now. I’ve run em through their course I suppose. As an example, the Efest 20700 can do 23.4A while the Sanyo 20700A does 24.5A and the iJoy 21700 makes 20.4A. Even a LiitoKala Black 26650 falls below these however, making “only” 19.5A by itself.

I find the 30T to be the best performing cell of all that I’ve tested. With over 300 cells here, I’ve ran quite a few different cells through the wringer. No 26650 or 32650 or any other cell can outdo the 30T in my experience. I’ve tested them in lights, found the 30T capable of 30.3A on a single cell running a flashlight, literally powering up 17 emitters to 16,000+ lumens. Surprisingly the Samsung 25S is the second best cell I’ve tested, capable of 28A from a single cell in a light, with the Gold Golisi 26650 hot on it’s heels at 27A. Other 21700’s and 20700’s I’ve tested run far below these, at 24A or so.

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Has anyone actually compared the fake 40T from Fireflies to a real one for output?  I mean, my fake 40T (Efest?) seems to be doing pretty good and my E07 is quite a bit brighter with it than my Rot66.

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klrman wrote:

Has anyone actually compared the fake 40T from Fireflies to a real one for output?  I mean, my fake 40T (Efest?) seems to be doing pretty good and my E07 is quite a bit brighter with it than my Rot66.

Sorry, didn't get a fake but there's a few other 4000 mAh 21700's I tested and they do pretty good but not as good as the 40T or 30T. Hard to compare the E07 and ROT66 because the carrier on the ROT66 probably adds resistance, though I haven't tested it, then you have to compare apples to apples with the LED's and optics of course.

Dale - I agree the EFEST are good cells, you do pay a premium for them usually, but can't complain bout the quality whether they are a rewrap or not. Sometimes wonder if they mod or change the batt+ end with a better conductive material, or mounted better. The discharge curves act as a signature of the cell, and the EFEST discharge curves, I thought, did match or come close to branded cells, or close enough. Maybe there are grades or binning involved with cells and the EFEST are from the higher grade binning - think someone mentioned this binning here on BLF.

I seemed to totally miss the gold Golisi 26650 4300 mAh. Compared to the Shockli 5500, it certainly beats the Shockli at high amps thru the entire discharge, but at lower amps, it only beats it in the beginning, which is fine too. Seems expensive -- I'm trying to find the best price, hoping without it being a fake smile

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