Made for ease and overall performance, the Uwell Caliburn A2 offers a compact, modern pod system that provides an Fantastic vaping knowledge. The Uwell Caliburn A2 15W Pod Procedure attributes an integrated 520mAh battery, 15W optimum output, and uses The brand new 0.9ohm Caliburn A2 Pods.Built-in 520mAh Rechargeable Battery - Built from tough alum