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I've not yet run the tests on the Uniquefire. It is lighter than the Ultrafire but slightly larger. The Uniquefire has a bezel that could damage pockets but mine get destroyed by the number of keys I have to carry so this is not an issue for me. I will try to do the testing at the weekend so you can have numbers and beamshots to compare. This is assuming it stops raining or snowing as it's no fun doing beamshots in the rain and my camera doesn't like it...

I've not actually compared the two side by side, even just by eye but on an NiMH cell I'd expect the Ultrafire to be brighter. However, I'd wait for more objective measurements before deciding.

 Ok i will wait for your test results. No need to rush for me.

I really like the ss because of its material and design. It is a beautiful piece.

From what i understand if you drop your ultrafire ss in the snow that will melt the snow till the ground!!So if you go out with your ultrafire ss maybe it is a good idea to have a shovel with you.

Preliminary review of the S10 up. The F22 is nice, very nice. However it's pretty huge for an AA light - I suspect that with a lathe you could bore it enough to take a 17500 - it certainly has thick enough walls. That said, since a 17500 has very little more capacity than a 14500 there would be little point. My 14500s are rated at 900mAh and the 17500's at 1100mAh so it wouldn't be worth the effort. a 15mm cell would probably fit right in with no modification at all. I'm not aware of a 15mm diameter 50mm long cell but absolutely any "AA" sized cell, even the 2700mAh ones that fit in very few things will fit and work in it. Voltage range is 0.8-4.5V and it has worked with all the cells I've thrown at it, even the nearly dead NiMH ones that I put in cordless mice.

The lower (switch) half is about the same length and slightly fatter than an 18650. According to my "high precision" ruler it is 102mm long.

It is raining again (Like just about all of the last 5 days) so no beamshots tonight but will dump a few lights on the lightbox to see what happens. It's been an awful week and is not going to be a good weekend so time to play while I can.

@danton. Or use the lanyard... It is of a respectable size unlike some that I could barely get 3 fingers through (MTE lights come to mind here). On NiMH it doesn't get hot. I've had great fun melting holes in thick snow with the Preon 2 on high over the last couple of weeks when I was staying at a friend's house where I couldn't smoke indoors. Great fun lighting up thick snow.

Actually, I always have a shovel in the car from November-April -my motor hates snow.

 ..............It's been one of those weeks and it is a huge relief to do something that isn't concerned with death and human misery which has been my week so far...........

Is this related to your Job???

 I wanted to make a joke about your workplace when suddenly i realized that you care about the patients. You don't see this in GREECE. In Greece the doctors and hospital staff only care how they will take advantage of the patients.

The only Greek psychiatrist I've known did care a lot about her patients - but that was here in the UK. That was 19 years ago. I've seen far too much of that here too - we all work for pay and the pay can end up being more important than the job. 

As a part of my training I had to learn ancient Greek but I failed most of the exams. That was 25 years ago. I can now spell out and pronounce the words, I just don't remember what they mean. If you had written that in Greek I could work out how to pronounce the words, I just wouldn't know what you had said. My job in Greek would be diakonos - I can't persuade the server to use Greek letters to spell that out. In German and Dutch and Afrikaans it would be predikant.

The patients are the reason I get paid - if they were not there I would not have a job. The days that I forget that the patients pay my wages are the days when I will do no good to anyone. But I have heard more jokes about what I do than most people. Most of them made me laugh...

You wrote it right. There is a iso standard what letters to use in English when writting greek words i think you have it right.

In Greek it is διακονος. But of what i know they have something to do with the church . You are like a spiritual father to the patients and consult them?

That's the general idea. Along with all the other stuff like delivering washing machines and fixing computers. Most of the time I talk to people. 

Hey Don. Is it possible for you to post a table (e.g. Excel sheet) containing the throw and lightbox measurements of the AA flashlights? I could only find the measurements for the Ultrafire C3 SS, Uniquefire S1 and S10. It would be great if there were measurements for the flashlights in your "ten small lights" article, specifically the Akoray K-106 and Tank007 E07. I think these 5 are the best AA lights under ~$14, are they not? Thank you.

That's a good idea - I'll do it. May take a while, but don't let me forget

There is quite a lot of data to put in there - it is going to take a while to get it all in. It is still a very good idea that will get done as soon as the day job calms down a bit. I should be working right now but I can get away with doing it tomorrow morning. Runtimes for all of them isn't happening any time soon. The boxI use for data logging has taken to turning itself off every hour or so. Must sort this out first.

@Thundergust. I've attached a prototype sheet. Is this the sort of thing you are looking for? I've never tried attaching a file before so please do try to download it and see if it makes sense. It is going to take a while to get all that data but there's a fair bit of it already on this site - which is the only place it now exists as the machine most of the data was generated on has gone nuts. If there's anything else you, or anyone else thinks ought to be in there, let me know.

@Don

Yep. That's what I was looking for. :P

I'm on the job - it'll take a while though