One of the generation of single battery mods, Vaporesso's latest creation - Nebula. Ah compact, alien/Start Trek inspired design that fits perfectly to your hand. Has a 26650 battery compartment and comes with an 18650 adaptor. Nebula utilizes the latest OMNI chip which has a smart coil recognition that suggests a power/temperature setting for your biulds and has a CCW mode which allows custom vaping curves. What more can you ask for?!