This is my concern as well, after five or ten minutes this great big light won’t be much brighter than a single xml2 light.
Why wouldn’t they add a few more modes to it? When they added the 1100 mode they also dropped moon. If it was because doesn’t have enough memory for more modes why not get rid of one of the flashy modes? Why handicap the design that way in the first place?
The board Lexel designed will add a lot of functionality to the light but how much heat will the driver make with all those 7135’s when making 2500 lumens? Is eighteen led’s wired 2S9P on a single channel reliable over the long term? Its hard to say how matched the led’s are and if thermal runaway will happen when running the light hot for a long period of time.
A version of this light that made 7500 lumens max would be so much more useful.
you can modify the sense resistors to do less current
I aggree that a sustained level of like 2500/3500 lumens Nichia/XPG3 should be possible, as you can see the temperatue drops after the light stepped down to 1100 lumens
I’m thinking about doing that but it would be tripling the value of the sense resistor to get the mode levels where I want. That might be too much of a change and the driver could stop working. Not sure if it will cause the sense resistors to overheat as well.
The other option I’m cosidering is using your driver and limiting the maximum PWM.Then popping the inductors off the old driver and putting them in series with the led’s.
They would smooth out the waveform and do some load balancing as well. If one set of led’s gets too hot and starts drawing too much current the inductor will heat up increasing it’s resistance. They probably have the wrong parameters for this application so there’s a good chance they’ll overheat.
This light looks perfect for task lighting, but the UI is set up so bad.
The unbranded Banggood pre production sample lights were sent to at least 2 BLF Members as well as tested by banggood not reaching the light output
After my review and other small issues reported to Banggood there were made changes to the driver, user interface, battery carrier and the lens assembly as far as I know
Also Banggoods quality management will likely have a look at the lights before they get shipped to assure that the light is in full working condition
This also slowed down the launch of the Astrolux MF01 by at least 6 weeks
The Astrolux light is definately better than the MT18, I would buy it as its a real killer light when it comes to price and quality ratio, as well got improved with BLF