Created for ease and overall performance, the Uwell Caliburn A2 provides a compact, sleek pod system that provides an exceptional vaping expertise. The Uwell Caliburn A2 15W Pod Program attributes an integrated 520mAh battery, 15W highest output, and takes advantage of The brand new 0.9ohm Caliburn A2 Pods.Built-in 520mAh Rechargeable Battery - Man