Hhmm - just got in a Courui big head from kaidomain, but same light is available from GearBest at rock bottom special of $30. It's a pretty nice quality light and has outstanding runtime and pretty good throw stock. Modded of course, it would do quite well. For better runtime, you'd have to step up to a bigger light. Here's my post on this thread from yesterday https://budgetlightforum.com/t/-/29088:
Just got my first Courui in today, ordered from KD before I found out about the GearBest deal. Been going through the threads, and can't find any stock output #'s on it, even throw -- weird. So, this is what I got:
On 3 fresh LG HE2's: 2.6A tail (one cell), lumens: 734 @start, 734 @30 secs, throw: 75 kcd (taken at 5 m)
I'm quite impressed by this light stock - not what was implied in the threads. Maybe they changed things? I didn't do anything but apply Nyogel on the threads, and broke the o-ring at the head joint. Plus the e-switch stock driver isn't that bad either - with 2 simple hi-lo modes, and strobe available via long hold. Mine came with a big aluminum 25.8 mm MCPCB that fills the recessed shelf. I would not call the LED centering piece as overly high at 1.80 mm. Maybe they changed it to a lower profile one?
Also amazed of not one little droppage in output in the first 30 secs. There is some intermittent flicker, seen in the lightbox and during throw tests, plus noticed it testing. Not sure of the contact of cells to the driver or what. I'll probably first try dome wire upgrades and simple resistor mod first - maybe a big 31.5mm MaxToch MCPCB...