Techlite Flashlight to laser?

[LV555]

I'm wondering if it would be possible to convert this flashlight to a 650nm laser? It's got some cool features like high/low power, strobe, and focus. Takes three AAA batteries.


TECHLITE 160 LUMENS CREE XPC L.E.D. FLASHLIGHT NEW - eBay (item 290417028312 end time Jul-20-10 11:47:36 PDT)

Thanks

 

[Seoul_lasers]

No and Yes are the answers. yes you can use the host to make the housing for your laser, but the output current to the cree LED will be far too high, in which case you are going to kill your laser diode FAST.
You need a proper DC-DC convertor from either ( AXIZ, Dr.Lava, RCKSTAR..) to turn that flashlight into a laser.
***************************************************************************- Review the red laser section on the forum and do some further searching. Red diodes run around 3.2v @ 400mA input for 250-255mW of 650nm red. Also I recommend the 20x diodes also known here as LOCs Long Open Can Diodes. They are pretty durable.
You will need to heat sink your laser diode as well.

Hope my advice helps you.

 

[ppbss]

also not to burn the diode, podrias to clear an AAA to him or to modify where they fit the batteries, you put a single of the voltage that you need, or acquittals porthole AAA you connect 1 right battery with voltage 3.2 or 3.4, v, I believe that it can work

 

[Toke]

I have just shorted a AAA alkaline through a diode dropping 0.55V, it gave 1,2A.
Without diode the current is 3,2A.
That means no direct drive if you value your laser diode.

The driver might* be usable for a laser, if the current settings just happen to fit you laser diode. You investigate that with a load simulator and a multimeter.
*There are still some issues with stability, LED's are not as sensitive as LD's.

Making a heatsink is a bit more tricky, usually requires a calipher, some aluminium/brass/cobber, and a lathe.

The one you found there is pretty expensive at $30, and the head is not cylindrical, making it much more difficult to machine a heatsink that fits.

 

[qumefox]

I've messed with four or five different types of flashlight LED drivers now and so far, none of them have been suitable for LD use.. at least not without extensive modification. Which is generally difficult since most parts on flashlight drivers have the part numbers ground off.