Cartisan Veil Bar Pro EVO | Incognito Cartridge BatteryThe Cartisan Veil Bar Pro EVO 510 thread vape cartridge battery is sleek and discreet with variable voltage ranging from 1. 8 to 4. 2V in 0. 1V steps. A stylish Digital Tube screen shows the voltage setting, battery level and puff counter. Using the Cartisan Veil Bar Pro EVO is super easy, either puff to activate or use the button conveniently located in the bottom. And, with a huge 1000mAh battery capacity, youll forget the last time you charged it.