Hello Simon,
You had 18650 and 21700 battery from Samsung, Sony… in your store. Now you have liitokala batteries. Would you offer them again? Should I wait? What happened, when you do not offer them no more? Thank you very much.
Switching from 50% brightness mode to 100% brightness mode, the naked eye cannot perceive this brightness change.
So I don’t think this ratio is reasonable.
My suggestion is that the ratio of the previous mode of 100% mode should not exceed 40% at most.
Independently of these changes, Simon, could you introduce a single 50% mode? It would be useful for the moments when a persons needs light, but not to the max (100%). It could save some battery and produce less heat too! :+1:
I think part of the problem is that a lot of people want to wring out every last lumen from an emitter that’s already nearing the top of the parabola, dumping 100% more power (and heat) into it but only getting 20% more light from it, and making maybe a 7% visual difference.
We’re back to the “numbers game” of wringing 10% more lumens by using a hideous CW emitter vs a NW or even WW emitter that just looks so much better, only now instead of quality vs quantity, it’s pushing the emitter into the diminishing-returns range of output vs input where there’s less and less to gain.
So… 50% only, for bright light that’s almost indistinguishable from 100, but get twice the runtime? Why not just back off on what’s 100 and keep it efficient? “But ours go up to 11…”
All these mode requests - it would be so easy if Simon used open-source firmware that we could modify and reflash ourselves… These drivers are all really appealing too, if it weren’t for the proprietary firmware.
I think they are, and the last time I looked up the bin Simon has listed in the description, he has the absolutely best Bin of xhp35 HI, in 4000k that is. Very nice! 4000k xhp35 is probably my favorite emitter. That or xpl-hi 4000k. Output and tint are awesome
according to the Cree xhp35 data sheet, the bin B4-40E is 90 CRI. that was what simon had listed in the “item description” for his xhp35 HI bare emitter in the AliX store, a month or two ago when i checked it. I cannot verify now because aliexpress isn’t opening up for me right now…
I just received my package from you yesterday, containing 5 pieces of the B4-40E tint of XHP35 HI, and that phosphor exactly looks like it is 90 CRI, so I would order it in flashlights, too.
A few months before, I also ordered an L21A with the 4000K tint option offered on that product page, but when I received it, I was less than happy to notice, that it was a 70CRI 4000K XHP35 HI (I already needed the B4-40E option that time, but I did believe, that I will receive that - I should have asked exactly for B4-40E then ). Now, that I can see that LED and its phosphor, the recently received LEDs’ phosphor looks like much less yellow, but rather light brown with very little orange, and that is a clear visual indication of the B4-40E being a real 90 CRI emitter.
Could you share a photo of the two? I have a K1 with 4000k xhp35, and i’m wondering which bin it is closer to, if they are that much different i can at least tell which mine is closer to.
Plus thank you for this info Adam7027, as now i know to ask Simon or at least just order bare LEDs from Simon and it them in the Convoy myself, its worth the extra cost to do it myself, if Convoy cannot do it at factory that is.