Smok Fortis kit has the battery output capacity of 80w which can be powered by single external 18650/21700 battery (not included).

Product Specification :

Adjustable airflow system.

Power regulator with up & down keys to adjust the wattage.

Digital screen which shows battery life for device.

Easy to fill from top tank.

Device can be powered by both 18650/21700 battery.

Colorful display of 0.96inch.

Supports type-c fast charging slot.