PO-100 Portable Coffee Maker7800mAh High Capacity Battery This electric espresso machine features a 7800mAh high capacity battery, fully charging in just 2 5 hours via the Type C port. It also functions as a power bank to charge other mobile devices. Fully charged, it brews up to 4 6 cups of coffee with 50ml (1. 69oz) room temperature water (25 77) (heated first); with 50ml (1. 69oz) hot water for extraction, it makes up to 400+ shots of hot coffee. 15 Bar Pressure Extraction &