Sold/Expired FS: Lupine Piko TL Ultra modded with 2x XP-G2s dedomed 1500 Lumen

dutchguy2 · Nov 30, 2014

"Selling a Lupine Piko TL Ultra with bike attachement.

The Lupine is modded by the German modder Vinz. He upgraded the board to the new 1200 Lumen Piko's and changed the emitters to 2x XP-G2, dedomed.

Estimated lumen are 1500. It is brighter than the brightest Lupine sells but still has the same runtime and much better heat transfer.

It will come with original box, papers and charger.

Price 225 Euro shipped.

dutchguy2 · Dec 7, 2014

Bumb, reduced to 215 Euro shipped.

i bought the light new, it has only been used for 10 hours in total!

dutchguy2 · Dec 16, 2014

Up again. Great light after the mod.

monkeyboy · Dec 17, 2014

Sorry, but the information you have given on this light does not add up. You say the runtime is the same which suggests that the drive level is unaltered. The stock light uses XM-L2 U3 emitters. If you swap this out for smaller die XP-G2, the lumen output will drop. De-dome the emitters and the lumen output will drop further.

The throw will increase for sure but the lumen output will go down not up.

dutchguy2 · Dec 20, 2014

This one, as a Ultra 550, used XP-G emitters. Now using dedomed XP-G2 emitters gives an increase in Lumen output and an increase of efficiency giving the same runtime with increased output.

monkeyboy · Dec 20, 2014

dutchguy2 said:
This one, as a Ultra 550, used XP-G emitters. Now using dedomed XP-G2 emitters gives an increase in Lumen output and an increase of efficiency giving the same runtime with increased output.

You clearly state in post #1 that the light was originally the 1200lm version and that it now puts out 1500lm. Now you're saying that it's actually the 550lm version? And FYI, a dedomed XP-G2 does not have more lumen output and efficiency than a domed XP-G. If the drive level is the same, your light is putting out 500lm at best.

yellow · Dec 21, 2014

... already wondering how a single XP-G (XP-G2) should give 750 lm ...

monkeyboy · Dec 21, 2014

yellow said:
... already wondering how a single XP-G (XP-G2) should give 750 lm ...

Well that part is just about possible. Vinh makes a S200C2Vn which uses a dedomed XP-G2 driven at 4.5A which puts out 770lm according to selfbuilt's tests. But this is 3 times the recommended max drive level! However, the OP has claimed 1500lm with the same runtime as the stock light which is just not possible.

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Sold/Expired FS: Lupine Piko TL Ultra modded with 2x XP-G2s dedomed 1500 Lumen

dutchguy2

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monkeyboy

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yellow

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