Geekvape Aegis Boost kit has a built in battery which has the output capacity of 1500mah/40w.

Product Specification :

Featuring MTL (mouth to lung) and DTL (direct to lung) vaping experience.

Can be used as both Pod and RDTA .

Digital screen which shows battery life fro device.

Power regulator with up and down keys adjust the wattage.

Adjustable airflow system.

Easy to fill from top pods.

Comes with five coils inside :

 0.4ohm (25w-35w)

0.3ohm (30w-38w)

0.4ohm (25w-35w)

0.6ohm (15w-25w)

1.2ohm (10w-14w)