Whats the most efficient LED and drive current?

[comfychair]

@Jeansy

Shame there is no Vf’s data for his MT-G2 results

crash-testing a MT-G2 on a copper Noctigon, graph done, mod done and repaired

....and it survived [image][image]: [image] (the MT-G2 after the test, 0.5mA from led-tester) Ignoring family life once more (girlfriend slowly turning from understanding to quite annoyed) I did some rough testing on a MT-G2 6V 5000K mounted on a Noctigon board and a load of aluminium last night. The test set-up was the same as my more limited MT-G2 test recently, but with a heavier power supply and even heavier leads (16 amp electrical wire for home installation, well soldered to plugs and c…