Today, charging with the power bank is incredibly fast. The Anker PowerCore III Elite power bank offers several ways to significantly speed up charging times. It features two USB Type-C charging outputs equipped with PowerQI 3.0 technology, which is currently the fastest method for recharging a mobile phone battery. Additionally, the Power Delivery technology allows you to fully recharge a laptop as well. The Anker PowerCore III Elite power bank, with an impressive 25,600 mAh, provides just over one full charge based on the capacity of a MacBook. To activate Power Delivery, the button on the top of the Anker PowerCore III Elite power bank must be pressed.