http://www.healthcabin.net/index.php?mai...roducts_id=8137

It is the updated Vmax Variable Voltage Battery MOD V2 from Smoktech. Its output voltage can be adjusted from 3.0-6.0V volts in 0.1 volt increments. So VMax can work on most cartomizers or atomizers with 510 threading from 1.25ohm to 3.0ohm. VMax PCB allows 5 Amperage output limit.

The biggest feature of Vmax V2 is that it can fit Vision eGo Clearomizers V2 or Vision eGo Clearomizer V3 or Joye eGo Tank Atomizers.

Vmax has built-in three digit display, which allows you to visually adjust your voltage.

Made of brass painted with black/silver