[FONT=Helvetica, Arial, lucida grande, tahoma, verdana, arial, sans-serif]I bought a IPV2S from E Ciggity but they goofed up and sent me a IPV2X. Not really a big deal since the buttons are better etc but I really wanted the 2S so I could upgrade to 70 watts. Does anybody know or tried to use the 2S upgrade on the 2X? I know they are the same chips but very curious.[/FONT]