I recently got a VaporNine Vapor Cannon and can't figure out what model it is. It looks like an eGo, but it's a 650mah (fat batt ?). I'm having problems with it (tho it worked EXcellently for a couple of days) and would like to get advice and/or a video on possible solutions. I'm thinking it may not be making good contact, because it's charged (indicator lite comes on when in use), but no matter what carto I use, nothing happens. And the same cartos work on my other batts. Any ideas? Thanks! Donna
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