I need a hunting red flashlight for my gun and hand but can’t afford one in uk as the lights double on import
So why not make it
The xpe-2 red is like £3 for 3w and £12 for 10
Surely I can copy or make one I’m a wood turner so il make a wooden unit for it flashy and fancy
Need advice on the right led and driver to get here I’m sure the xpe-2 red is the way to go as when you lense a white you restrict all lumens and end up with no throw
The Coe-2 seems to be used in the shadow hawk fenix so there is that but no say on drivers there hmm
Then I’m not keen on Li so if IF I can avoid it and use a car battery or old mobility scooter battery etc id be happier even a string of aa lol I don’t like the mines or the booms had 1 catch fire and it was small dont like it
If I have to then I will but id prefere alternate method I have a car battery in a bag with an inverter on it so I can hardwire plug it id be happy
What make/model are you looking at importing? That should help with recommendations relevent to what you want to achieve.
I’d say wood will limit you on thermal conductivity, you’ll have to find a heatsink for the LEDs and mount it so it gets airflow, else your LEDs will cook.
I second what Gravelmonkey says, as a starting point what were you looking at buying?
And you’d have to sort out a heat path from the LED/driver to the outside world, it goes through the body on a metal light, wood woodn’t do the same.
Also an XP-E2 is an XP-E2, there are not two different 3W and 10W versions.
XP-E2s are generally specced at 3W by the manufacturer (1A max recommended current @ 3V) but the red variant runs at a lower voltage (around 2.4V from memory) so is more like 2.4W officially, and with the right implementation and acceptance of any consequences it can probably be run at twice that, but it is the same LED so don’t pay more for a 10W version that doesn’t exist, that’s either marketing or a spec relating to the driver, and i would avoid a 10W driver with this LED.
AA lights tend to use boost drivers that would work with this LED, so if you can solder your solution may just be to install this LED into a light you already have rather than build one from scratch.
I know you mention a car/mobility scooter battery but i can’t equate that to the gun-mounted/handheld light you cite.
Also, when you say ‘red’ do you have an idea of dominant wavelength?
Looking at the xp-g3 red at 660nm and hoping to power this to light up field to 50meters like I see some doing from fenix using this led
I have some xml and xpg3 but I don’t know what driver or what to power it by
My torches are sucky. So I’d assume driver the same lol
There cheap enough so to buy it isn’t an issue
Heat sink I have some cpu heat sink they will mount on aluminium grills they cool my cob 50w chips for my reef tank
7135s have roughly a 0.1V saturation voltage, so if your LED is specced at 2.4V, you could get by with as low as 2.5V under load. So 3V of AAs might work well.
And depending on the amperage you want, you can get a simple stoopit 7135-based driver without so much as a µC for cheap. So if you want about 1A, then 3×7135 will get you 1.05A.
Fasttech has a bunch of 17mm drivers like that. Eg: