Heat issue aside, why not just for giggles?

[AnthonyMcEwen2014]

Ok, guys proberly dumb but heat issues aside, and runtime, any reason someone hasent made a AAA / AA sized (Running lion obviously) light running an XML2 ect / Other high output led and driven it to full spec.

Admittedly you could not run it for more than maby 10-30 seconds on this high mode but how cool would it be to pull out a AAA sized light with a 1000lumens.

I mean any reason why not? We can drove the led to this level so why dont they exisit just for giggles! What the technical issues preventing this?

I know no such light is practical but I'd sure as hell want one just for the OMG factor!!!!

 

[AnAppleSnail]

Peak Vesuvius. The 10440 size in the IMR lithium chemistry can just about deliver 2 amps. That's not fully-driving the XM-L, but it's quite bright. Small driver circuits at this size (10mm diameter) that push 3A are very rare, so these lights are often direct-drive or have a QTC slug in them.

Technical issues:

1. Runtime.
2. Output control - All flood, all the time.
3. LED heat. Over 150C, dead.
4. Flashlight heat. Over 50C, I can't hold it.
5. Battery strain. Most batteries that "can" deliver over 2C suffer doing it. I guess my IMR10440s in the Vesuvius are good for ~200 full-blast discharge cycles.

Look for the Peak Vesuvius and TGWNN's 500-lumen AAA flashlight.

 

[yoyoman]

MBI HF