Ok.......I have an eGO 900mAH, and several "cig style" 510s. I have 510 attys.....no LRs......also have bud tanks, 510 tanks, and 510 clearomizers. By clearomizer, I'm talking about the one where the wires and wick runs from too to bottom.....and the mouthpiece is a lil black rubber drip tip...