i use a standard 510 batt and i tried using clearomizer last summer.. i dont remember where they were from but the besst ones i found then had no filler or wick just a plastic *shelf* type feeding sytem inside they were ok but leaked alot and you had to be carfull how u held them.. plus i wasnt crazy about them being completly clear i liked u could see how much juice was in them but was not very eye appeasing to me.. ive seen ones now that are colored some black but still seethough which i really like but im not looking for any that are xl or tanks just want standard size any suggestions about whats out there right now? thanx for help in advance!!