A dual purpose 3.7V e-cigarette Battery with a whopping 650 mAH of battery charge that acts as a USB Pass-through and a battery for convenient vaping wherever you may be! The INFERNO USB Battery will easily last the average vapor 4 hours of vaping time! Choose from 5 eye-popping colors. Pair this with a LAVA or INFERNO low-res atomizer and watch out!!!