$9.99. Council of Vapor Tempest | 200w Triple Battery Box Mod. Worth the money. I was very surprised at how good this mod works, I bought 4 and set up each with different tank. I bought several of the $2.99 tanks to. This has been great set-up for at home use for me. Not sure if you drop it a lot if it will hold up, but they work great. Every time they run this special it sells out, so others must like them also.