My 650 lumen/70k cd/18350 EDC, on my belt at all times. For its intended use, the short run time is no issue.
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I also EDC a SF Tactician in a pocket. Between the two there's plenty of capability!
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I'm a big fan of that form factor ( 18350 ) - small yet very capable / powerful.
With that said, I've carried a modlite 18350 for a long time, which is quite similar to what you've been running.
However I really, really dislike the one mode - For EDC I'd need to carry another light in conjunction with the modlite, but I refuse to do that because I don't want to weigh myself down. With everything else I carry daily, 1 light it enough.
So I went ahead and grabbed an HDS rotary. Doesn't have the tremendous power that the modlite did. But for EDC the HDS makes so much more sense.
It really is a shame modlite never made available light heads with low/high or high/low or low/med/high ect...
I feel as though if modlite were to offer heads with multiple modes, it would be a game changer. They are great lights with great capability. I've beat the snot out of 1 for the past 4 years of heavy duty use ... in rain, snow, cold and summer heat direct sunlight, also dropped it I don't know how many times, and its still somehow running perfectly, never gave me one issue.
Really wish modlite would put out some heads with multi-modes even just a low/high and I'd be all over it. - Would instantly become my EDC and probably never be replaced. However Seems like they aren't in a rush to put any out... sadly
I've recently picked up a malkoff hound dog 18650 with a 21700 body. I love it and it's capability but too big for daily EDC.
I also seem to prefer the feel in hand of the modlite HOG (21700) body ... with the thrym clip for any "tactical" roles. - The malkoff hound dog is phenomenal - but just annoying that there do not seem to be any good clips on the market for it... also the body itself is quite slick.. enough to the point I needed to add a little grip tape to the body to help in a secure grip.
Just my observations thus far at least.