UK super Q

I saw that new light myself on a different site and was wondering about it. It's more expensive because it comes with an 18650 and charger. Beyond that I can't answer any questions so far. Maybe I'll go out to my local dive shop and see if they have one in stock yet.
Using an optic, 1.8W or in other words ~500 mA to the LED. so 4 hours runtime sounds about right. Hoping they used good regulation and not some cheesy resistor setup for that. 500ft simple twisty on/off. Not bad at first glance imho.
 
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