Code now public! BLF A6 FET+7135 Light. Short 18350 tubes and Unanodized Lights Available

[Tom_E]

1 NW please. Thanx All!

[finges]

@CrashOne

@ToyKeeper

@LEDCODER

also what is the lumens output will it be?

Final samples should be here soon, but I expect the output will be much like the best of the earlier samples. So, it depends on the battery… but output should range from about 1200 to 1600 lumens (higher with better batteries and higher if you bypass the springs). I got 1400 lumens from an unmodded sample with a 25R cell, but a LG HE4 and a spring bypass should get it to 1600 or so. On the low end, it should have a moon of about 0.2 to 0.5 lumens, but I’m waiting until I measure the final samples before I declare victory on this.

Are there any batteries that perform better? If not, I’m ordering LG HE4’s. Better have them ready when this one arrives

Samsung 30Q or LG HG2 https://www.e-cigarette-forum.com/forum/threads/samsung-inr18650-30q-vs-lg-inr18650-hg2-shootout-results.681263/
More capacity and lower voltage sag.

[LEDCODER]

thanks ToyKeeper and finges for your feedback.
just one question are they alot better then NCR18650B?

[TheBo]

Overall, I would say yes… The ratio capacity/max current is all in their favor

[finges]

@LEDCODER

thanks ToyKeeper and finges for your feedback.
just one question are they alot better then NCR18650B?

They are totaly different!
Both are (unlinke the NCR18650B) high drain high current cells. So they keep a higher voltage under load. That is good because most cree leds have a fairly high forward voltage at 5A.

Check out following chart to understand better what I mean. Here it compares the slightly older but still good 25R to the NCR18650B at 5A load. As you can see the high drain battery (25R) has a higher voltage over the whole discharge range. So it can deliver higher power to the led.
http://dampfakkus.de/akkuvergleich.php?akku1=141&akku2=490&akku3=&akku4=&akku5=&akku6=&a=5

[TheBo]

…and tbh the 30Q or HG2 or MJ1 MH1 cannot beat the HE2/HE4 or 25R at max current, the more the capacity the more you compromize the current, at least with actual tecnology…

The HE2 should be a very small bit better than the HE4 (which someone reports to stay cooler) also they sag a bit less initially than 25R which however perform better in the final part of the curve

Here is the voltage sag under constant current

Green is NCR18650B
Blue is 25R
Red HE2

It also depends on you applications, if you have to draw 1A, i would choose the NCR18650 or some Sanyos with 3400/3500mAh, but if you tink your performance would be current dependant and the max you can ask the max should be delivered, than… IMR 2000/2500mAh is the way to go.

LG 18650HE2 vs SAMSUNG 18650 25R vs Panasonic NCR18650B @4Amps

So, this is my first attempt to do something useful, if this could be the case. I’m no expert, I’m no smart and I’ve not the knowledge or the equipment of HKJ, in case one of this facts does not appear obvious. Anyway… I’ve bought some 25R from Fastech, some LG18650HE2 from aliexpres, and some NCR18650B (protected button top) always from aliexpress. This are the test conditions Just 1 cell used, HE2 had 1 charging cycle, 25R about 3, and NCR18650B are the oldest with someting like 5 cycles …

[tristanxoxo]

Would it be possible to change order #424 to CW?

[ChibiM]

Hmm.. I already changed my mind... Please change the French fried O rings to Mexican reverse clickies...

No toppings this time..

[CrashOne]

@finges

@LEDCODER

thanks ToyKeeper and finges for your feedback. just one question are they alot better then NCR18650B?

They are totaly different! Both are (unlinke the NCR18650B) high drain high current cells. So they keep a higher voltage under load. That is good because most cree leds have a fairly high forward voltage at 5A. Check out following chart to understand better what I mean. Here it compares the slightly older but still good 25R to the NCR18650B at 5A load. As you can see the high drain battery (25R) has a higher voltage over the whole discharge range. So it can deliver higher power to the led. http://dampfakkus.de/akkuvergleich.php?akku1=141&akku2=490&akku3=&akku4=&akku5=&akku6=&a=5

Didn't know that tool, very useful, thanks!

[lopedevega]

Add me for one NW , please.

[ToyKeeper]

@LEDCODER

thanks ToyKeeper and finges for your feedback.
just one question are they alot better then NCR18650B?

DBCstm did some measurements with different batteries and found that NCR18650B was the second-dimmest. It’s simply not a high-amperage cell so it doesn’t perform well in a light like this.

If I recall correctly, the LG HE4 should perform about the same as the Efest 35A. Also, later measurements went up to about 1600lm, with spring bypasses. On a production sample, I got 1400 lm from a 25R (performs like a Samsung 20R) with no modifications.

[arekm]

1 NW for me

[southland]

Bare aluminum would be great. Saves them the cost and time on anodizing. I can polish my own if that’s a problem.

[MauiSon]

@blueb8llz

Please give us a deep pocket carry clip.

And please make it optional add-on, too. [If I want a clip, I’ll use velcro]

[chuckhov]

@MauiSon

@blueb8llz

Please give us a deep pocket carry clip.

And please make it optional add-on, too. [If I want a clip, I’ll use velcro]

+1

I prefer Very Deep pocket carry, and that means No Clip! - Of all of the lights that I have that came with a clip, I have never used any of them.

Thanks,
-Chuck

[DB_Custom (Dale)]

Thanks TK, for revisiting that little chart of the different cells. As y’all can see from that, YOU control a lot of the variables by a simple cell choice. Runtimes, heat output, and overall max lumens can be variable by the cell choice.

Gonna need light for more time but less of an issue of Turbo? Choose the Panasonic B cell for maximum run times with decent output. A Pan BD will give higher output but keep run times very respectable, as will the new Samsung 30Q and LG 3200mAh cells. Moving to the higher discharge versions will increase output but create more heat, less run time. YOU decide how these factors come into play when you pick the cell to drop in.

Loaning to a friend? Use a protected high capacity cell to limit potential noob issues and help ensure your light comes back unharmed. I really like how this works with the FET driver, and the FET +1 is so danged efficient in the lower modes a cell seems to last forever, even the top high discharge cells run well in the lower modes with a Turbo standby that is amazing!

This firmware has changed my preference for UI, I love it, use it a LOT and am disappointed with other lights that don’t have it. In short, this one is a spoiler!

[slow2go]

Please add me to the list for three lights.

Two in CW

One in NW

Thanks

[hank]

No, not in my budget.

But you’ll be fun to watch.

[zebroo]

I would like to have one in NW. Thank you

[vuanhquoc]

can you put me down for 2 CW, thank you