@JasonWW thanks did edit my post. Was hard to post pictures with my phone.
That Klarus does seem brighter than the C8.
Yes it does, but after some time it also gets hotter than Convoy. For my needs (job) the Convoy is a great flashlight. If only i would find the Convoy before purchasing the Klarus 
I had to look up to see what that Klarus model was. It’s got an xhp35 at 1600 lumen. That’s about 14w.
The C8 has an xpl at 900 lumen. That’s about 10 watts.
That’s why it’s brighter and gets hot faster.
A friend of mine just got in some XM-L2 U4 0D emitters, found that de-doming with Coleman lantern fuel left the tint very nice and it came clean in about 20 minutes. He used it in an L2 and absolutely loves the result! 
Jason, just looking at the wattage isn’t the whole picture. The efficiency of the emitter at a given output will change how much of the applied wattage is light and how much is heat. When overclocking the percentage of heat/light changes. So which one is overdriven will tell which one is making more heat. In the case of a 1600 lumen XHP-35 vs XP-L at 900 lumens, they are both in their comfort zones and shouldn’t be getting all that hot… the boost circuit in the Klarus is probably making the heat directly from the driver.
And to establish wattage, forward voltage at the applied current needs to be known, it changes as the current changes. The XHP-35 goes up to some 14.3V when pushed at 2.5A, gotta have actual emitter Voltage at the applied amperage to know the wattage.
An example is my 18V Cree COB in the small DQG Tiny 7x XP-G2 light. At 1A the COB is pulling 21V for 2004 lumens. That would be 21 watts. Yet the small light doesn’t really get hot until quite a bit of time has gone by, so the efficiency is high and most of the wattage is burned as light out the front.
Just ordered the C8 clear from Simon and anxiously waiting for shipment. I think it’s cool people here have direct constact with sellers and can vouche for the good ones.
I was just giving a simplistic reason why one was hotter than the other for gmajnkek as he might be new here. Thanks for the info, though.
I’m curious how a C8 with xpl hi and fet driver would do against that Klarus. Probably very close in lumens and throw.
I recently did a review of the Astrolux C8, which is exactly a C8 with an XPL HI and FET driver.
Basically, it’s 1300 lumens and 100,000 candella.
That’s 640 meters.
The xhp35-HI has a 2.35mm x 2.35mm die and the xpl hi has a 1.95mm x 1.95mm die.
So if you put both these lights side by side, they should be equally bright, but the Klarus would have a slightly larger hot spot. In theory at least.
This is one of the reasons I’m glad Dale is my friend. 
Him say smart stuff. :student:
Not smart, necessarily, because my memory is so bad I quite often mix information… getting it wrong. But some of the stuff sticks through sheer repetition. Lol
The efficiency issue really comes to play in a light like the Emisar D4…small quad with little thermal mass. A set of hard driven XP-G2’s put’s out a lot of heat as compared to a set of XP-L HI’s that aren’t being driven as hard.
If they can be equally focused, I suppose.
I don’t find the C8 hotspot to be too small, but I wouldn’t want it any tighter. A bit larger would be good, although at the cost of reduced runtime.
I see this clear version C8 XPL-HI has a DTP copper MCPCB, can someone tell me if the Black version C8 XPL-HI also has DTP copper MCPCB?
Here’s some links for the one I’m asking about:
From Gearbest:
https://www.gearbest.com/led-flashlights/pp_356677.html
From Simon:
https://www.aliexpress.com/store/product/Convoy-C8-with-XPL-HI-LED
Since October I ordered a lot of black XP-L HI C8-s from gearbest, banggood and 5 from Simon and all had DTP copper MCPCB.
Even the 2100mA versions from banggood.
Great thanks!
I am completely puzzled - my brand new Convoy C8 XP-L HI w/ Biscotti is set in such a way that it every few seconds lowers it’s light output until it turns off, regardless of which mode I set it to and I don’t know why.
I use the group with 5 modes and if I, for example, set it to 5th, it will after few seconds shift to 4th, then 3rd and so on until it goes completely off. Any ideas what’s the issue here?
Your battery is empty.
If I wanted to use the clear C8 as more flood light for close work what would be the best way to do it? I see some use frosted glass lenses but wouldn’t a textured lens be even better? I know OP reflectors can help some but I don’t think it would make a huge difference.
Well I’ll be damned, you are right…
I just got Lii-500 and was testing my batteries. In NOR test it has three steps (fully: discharge, then charge and measure capacity, then discharge again) and I missed the last part where it discharges the battery again.
It was well past midnight (more like 5 am) while I was reading the manual and was putting the batteries to test, and later that day I just figured it’d stay fully charged - what a rookie mistake!