I just gave it a whirl. With ambient temp at 10C/50F, and a moderate breeze, I set the electric burner at max (1500W). In an empty ECB, after 10 minutes, it was up to 110C/230F. At 15 minutes, it would get up to about 118C/245F, but when the breeze picked up, it would drop back down to 110 or...