Of you want to vape at high watts then use kanthal. I vape dual parallel 24awg kanthal, 4.0 or 3.5 I'd, 6 or 7 wraps...i vape that at 130 watts constantly, I can and do go up at times. Resistance is around .12 to .18 depending on wraps or diameter, although I have got dual parallel 24awg ni80 on...