Along with a virtually `indestructible` frame, the Aegis Boost also boasts, output of a maximum of 40 Watts, completely adjustable of course, a largish battery with a 1500mah capacity, adjustable airflow, and replaceable coils. This new Aegis Boost Luxury Edition addresses a minor issue which plagued the original Aegis Boost and can basically be considered version 2 or maybe more accurately 1.1. ... Listed features and specs: Dimensions: 90 x 56.1 x 31.3mm Tank capacity: 3.7ml Input voltage: 3.0-4.25V Output voltage: 1.0-6.0V Battery: 1500mAh