Was unable to reply to my previous thread. Thanks to all of you for you help. The 1.5 ohm dual coil works great except for the rapid battery drain. I'll try 1.7 & 2 ohm single coil carts. If I can find one that taste good with good vapor & reduce the battery drain, that's great. My wife has been vaping 2 months now and has quit Tcigs. I haven't smoked in almost 20 years and have a weight problem. I joined my wife in vaping a month ago and have loss 10 lbs. and I love vaping. Thanks again. John Bzz