Cool!
These days Im doing a little work on my 9 XM-L light in between other projects.. Waiting for some batteries that should push it beyond 100W once its ready for testing. Im mixing several de-domed emitters, some domed, and some warmer ones. Im in no hurry with it though..
Looking forward to see how your project goes... :)
Well, which cells exactly? Panasonic NCR18650B wont handle 6A or more for more than a few minutes, they get way too hot and will age quickly. Panasonic NCR18650PD are the way to go imo.
Well 10k with 4-5 batteries. The input current would go way above the 6A if I push more than 2200ma to each emitter. Your suppose to stay under 6A current input. Oh and yes, 
I do take paypal.
Ken
I have the NCR18650B Batteries. They will not be doing 6A each. They will be at 6A as a family of 6 in a series. They will be doing a mere 1A each.
The driver is the compnent that is limited to
6A input current.
Ken
What driver are you using? I have a 7x XML That I want to put under the knife next. I believe its a J18.
Ken
Im planning on using the stock driver.
ooh, this’ll be worth watching. Props for pushing the limits 
Couple of points though - if the batteries are wired in series, each battery will have to provide the full current draw. So at 22.2V and 6A, each battery will be providing 6A. In series you add voltage and current stays the same, in parallel you add capacity (or divide current, same thing) and voltage stays the same.
I wouldn’t be scared off by the HBflex - they all take a bit of getting used to, but as long as you can count up to 13 (or 14?) it’s quite doable. If you know the settings you want, I can always write out a cheat sheet for you to follow if that helps.
if the batteries are in series, they will share the load I thought... or you must measure 6 Amps at the last battery.
But if you measure 6A on a parallel setup, all batteries will draw 6A...
or what am I missing
This is correct. A parallel set will give you more capacity (runtime) with same voltage amd current. A series setup will give you more voltage with shared current draw. Thats why when you add more batteries to a series the current drops. I am a noob I could be wrong. This is with my experience only.
Ken
Batteries = 3.7 nominal say 3000mah.
Six in series = 6*3.7v (22.2v) x 3000mah
Six in parallel = 3.7v x 6*3000 (18000mah)
Cheers David
you might be getting confused with the numbers, like when your calculating the input on a taskled driver. more series cells equals less amps into the driver. it’s less amps in only cause the voltage is higher but still the same watts. Sorry if i made it worse.
very nice flashlight but not very good pictures
you don’t have some more pictures with more details of this host?
I like the size of this flashlight but don’t like the number of batteries, 6 batteries are too much for me
Looks like fun. What are you doing for cooling?
Thats exactly what I was concentrating on was the current in. I didn’t even think of the wattage input. I think the closer I am to voltage input vs voltage forward the driver will be less stressed. Also minimal heat up.
Ken
Prestone. Hahaha! :bigsmile: J/K.
As far as the emitters, the head of the light will have to do for now. It does have a lot of nice fins and is solid.
The driver is cooled by forged copper squares with a smaller aluminum square wedged on it too.
Ken
I will get some more pics up this eve.
Contact plate
Driver assembly in front contact plate in back
Switch plate notice where I made the cut.
Switch plate contact side
Switch plate held in with 3 screws
If it is a driver that is a constant led current, more voltage will == less current.
However if the driver is pulling 6 amps at ~23 volts with 6 cells in series, each cell is providing 6 amps.
If each cell was only driving 1 amp, that would also mean 1 Amp at ~23 volts at the driver.
Think of each cells as a water pipe. 6 lined up providing 1 gallon per minute is still only 1 gallon per minute at the end.
6 in parallel doing the same will be dumping 6 gallons per minute at the end.
I got the LEDs today. Thanks to Matt (vesture_of_blood).
I got them lapped and bonded to the base. They are all wired up in series. I tried to keep the wires as short as possible. I will power them up maybe later tonight or tomorrow. I will start at a conservative 2.8A. :bigsmile:
Ken
Thank you! I am by no means a electronic genius. This makes is very clear and simple.
Ken