Welp, Once again Bruce delivers.!!! 5v wow came today, hooked it to the clear repititious dual coil cartos, and vapes soo much it produces Clouds of Vapor..........(pun intended). Also used it on the clear ego dual coil cartos and the same...... Clouds of Vapor ...... Good Choice Debb.. Now I have all my EGO 1000 batts and about 20 30ml bottles of juice I dont use to get rid of.........