Looks interesting, very. I'll do a bit more research on it.I had forgotten about another negative with the Fenix BT20. You will need a battery charger that takes individual 18650 batteries. The light doesn't come with one, and by memory, it might not even come with batteries.
You might want to check before making any decisions.
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This light seems to be attracting some good reviews. http://www.mbr.co.uk/reviews/lights/magicshine-eagle-m2-2400-light-review