Tugboat 4500 puffs runs on an 850mAh internal battery, resulting in improved performance at both lifespan and stability. Packed with a 10ml capacity for e-juice, it’s entirely down to your preference to choose the sweet flavor. Using a 5% nicotine level, it is absolutely able to bring you a good throat hit and immerse the cloud, satisfying you up to 4500 puffs. No maintenance, no chargement. Depending on your inhabit, you can adjust the airflow, coupled with 1.2ohm built-in coil, you can take sufficient atomization on the exhale.