Bride vapes a .33 dual coil SS430 in the 75, 75 pre-heat, 75 watts and set at 400 degrees. Actual wattage is anywhere from 10 to 30 based on wicking and draw and she gets about a day of vaping on an old Efest battery with a 2.8 cut off. To her, it vapes just like the 200 but fits in her hand.