I wrote a post yesterday about SmokeTips and didn't get a response..... what or whose blank or pre-filled cartos fit SmokeTip batteries? Got my kit last week as a present and think they are KR-808D-1? I've been refilling them ok but don't want to spend $20/pack to buy from them. I'm not cheap, just smarter since joining ECF. What are the new batteries, KR-808D-2, or what? Whose kits would they fit, and does anyone know what battery is in Crown7 e-cigs, or what other kits their cartos would fit? They are a little bigger around and longer and have a deep recessed connecter than SmokeTips' male end. Really, thanks for any help you could give, I just discovered vaping 2 months ago and quit analogs 15 days ago.