I just received one of these, I know this is an older post. Tested it and at startup it’s pulling 4 amps. So, that means each LED is only getting .333mA! It is bright, but, I think it could be much brighter if the LED’s were driven better.
What driver would give more power???
Thanks for the help.
I have several lights that I want to modify. Resistor mods seem the simplest. I have double of a few lights.
You mean 4A at the tailcap? That’s 48W on three cells. About 3.5W per LED factoring some driver loss. That’s closer to 1A per emitter. Not horribly driven, probably could be pushed further.
BTW, welcome to BLF!
Yes, 4A at the tailcap. I would like to get more out of this light. It’s supposed to put out 13000 lumins, I have read (not tested it yet) that it is really closer to 3000.
I have a nice Sekonic light meter that measures EV and found a conversion chart. I may see what I can measure in the next few days.
Any ideas for a different driver or can a resister mod be done on this light???
Thank you for the welcome. I hope to spend some time here. I think my future is bright!!
That’s 13000 Chinese Lumens, which has a conversion factor somewhere between 2 and 3. These lights have been made to output about 5k or 6k lumens. It is just too much power to get more than that in this light format.
I believe there is a thread on here about modding this light with a KaiDomain driver. Maybe it was 9x light but very similar.
If you want to and are comfortable with tearing it down and provide pics, we will be happy to help.
That’s a decent power input, assuming 80% efficiency, you are getting 60W+ to the emitters. That’s in the ballpark of 1.5A per emitter. Probably close to or over 4000 lumens OTF.
That’s the flux capacitor
No idea, but it might be the driver’s boost switching regulator. Sometimes the coil can make noise.
Does it hum/vibrate on high? I could expect the PWM of med or low causing noise as well.
Um, yeah. It’s possible.
Only one way to find out for sure though.
These 12x lights when pushing any power cannot be run for very long. Your light is right around the limit I’d say. if you only want a massive output for a couple of minutes, then you might get away with an increase. I do not have one of these, but there are threads on here about modding them. Most involve installing a new driver from Kaidomain.
Good luck with the mods. If you want to try something with your existing driver, post a few pics of it and we’ll help you blow it up increase the output a bit.
THANK YOU VERY MUCH
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