The Caliburn A2, the Koko AK2 has a total output of 15 watts, takes the same pods that have a 2ml e-liquid capacity, and fires in auto-draw mode. In fact the only real differences between the A2 and the AK2 is the lack of fire button on the Koko, and the form factor. Utilizing a fast Type-C charging system, the Caliburn A2 Pod System can deliver vaping in as little as 35 minutes to charge the battery up to 95%. Equipped with a 2mL refillable pod, the Caliburn AK2 utilizes 0.9ohm UN2 Meshed-H Coil Pods that deliver delicious flavor and vapor.