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bigburly912 said:
21 hours in on the 2xAA amazon basics. Still a very very usable amount of light

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As mentioned previously this is definitely a strong hot spot ! Tint looks good. I guess a completely different reflector design , if possible even, would be necessary to make a uniformly distributed flood beam with the use of so few lumens ? Does such a light with useful, useable spill and low lumen output exist today, or does lumen output need to be at a certain higher level to create useful spill ?
 
Maybe try it with some dcfix , it should smooth it out perfectly without losing output

Reflector may have to be shallower to achieve what your mentioning
 
BigBaller said:
As mentioned previously this is definitely a strong hot spot ! Tint looks good. I guess a completely different reflector design , if possible even, would be necessary to make a uniformly distributed flood beam with the use of so few lumens ? Does such a light with useful, useable spill and low lumen output exist today, or does lumen output need to be at a certain higher level to create useful spill ?
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I also felt that mine is basically all spot. Very little spill. I’m thinking it’s do to the low lumens. But DC-fix might be the answer.
 
BigBaller said:
As mentioned previously this is definitely a strong hot spot ! Tint looks good. I guess a completely different reflector design , if possible even, would be necessary to make a uniformly distributed flood beam with the use of so few lumens ? Does such a light with useful, useable spill and low lumen output exist today, or does lumen output need to be at a certain higher level to create useful spill ?
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I wouldn't be taking pictures so directly. Cameras and image processing does things with light that isn't exactly how we see. These dropins are very much in line with every other XP-G2 in this reflector that I own in terms of beam profile. Perhaps the amount of output is playing into peoples perceptions, but I think it's likely just the photo in this case. I can assure everyone that these reflectors are the same old tried-and-trued Don McLeish designed M61 reflector as other M61 dropins.

bigburly912 said:
Anybody running a 3500mah 18650 check?
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Thermal is doing that I do believe!
 
My 2XAA test is now at 80 hours! Just took a walk to the kitchen in total darkness with no problem what so ever. Still right around Malkoff’s AA light on low.

My 18650/3500 test is at 31 hours and comparing to my other 20 lumen light is still at full power!!
 
These dam things are amazing!!! But somehow somebody considers me an essential worker so I have to get to bed. 4:30 comes pretty early.Im betting they will both still be on come Wakey wakey. I hope 🤞
 
Goodnight old man

Will say some prayers for you and all the other essential working heading out tomorrow!
 
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thermal guy said:
The problem with running unprotected is that they can over discharge. Not safe also if you let them run down to low you could lose the cells. They might not take a charge. But yes they would run longer
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I have never had any issues in a decade. I can estimate the voltage by lumens and runtime. When it's getting to 3-3.5V, I swap the cell. Never had an overdischarge situation.
 
88-hours now for my 2XAA test very dim 1-2 lumens but still useful
38-hours now for my 1X18650/3500 if it’s not still full output it’s dam close.
 
etc said:
I have never had any issues in a decade. I can estimate the voltage by lumens and runtime. When it's getting to 3-3.5V, I swap the cell. Never had an overdischarge situation.
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Agree with all that. But some are thinking to run them with this module to get better runtimes. If you run multiple protected Lithiums you will get full power then she’s dead no warning. With multiple unprotected you will get as you say a taper. And when you see output decline you change out. But some I think want them for better runtimes and will keep using them.after this Then it’s an issue. In reality it’s a moot point. These dam thing run so long on anything I think you will be all set whatever cell/cells your using.
 
You kidding me! That’s when mine went **** up!! But if all your cells are 1.4 it should still be going??
 
I tried swapping the cells around just to see but nothing

The light comes on sub lumen for maybe a second? Then quickly dims completely out . Zip

The light was not warm AT ALL during my testing so overheating was not a issue

I’m at an awe really
 
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