The First External Battery with Qualcomm Quick Charge 3.0 technology Compatible devices with Qualcomm chipset can charge up to 75% faster compared with conventional chargers. Thanks to QC 3.0 and RAVPower iSmart technology, the charger can simultaneously charge one Quick Charge device (e.g. Galaxy Note, Nexus 6) and one normal device (like iPhone, iPad), providing maximum speed in both cases. Charge up to 80% of the battery for QC 2.0/3.0 compatible devices when charging for approximately 35 minutes. Quick Charge 3.0 Compared to QC 2.0, QC 3.0 let's you charge your device 27% faster, has a charging efficiency 15% greater than before, and reduces power consumption by 45%. Power consumption is also reduced thanks to automatic voltage adjustments (3.6 V ~ 12 V) that match the desired current for your device. Type-C Input and Output Introducing the first ever portable charger with USB-C/Type-C charging capabilities. With USB-C/Type-C to cables (not included) you can use this portable charger to power devices such as the newest 12 inch Apple Mac book(A1534). Protection Perfection Fully guarded against short circuit and power overload , the RAVPower charger will automatically shut down protecting your devices and the charger from unnecessary damage. Specifications: Input (Micro): 5V-12V 2A Max (QC) / 5V/2A (Non-QC) Input (Type-C): 5V/3A Max USB Output: 5V/ 2.4A Max Type-C Output: 5V/3A Max QC 3.0 Output: 5V/2.4A, 6.5V~9V/1.5A, 9V~12V/1.2A Max Notes: Please use your device's cable or RAVPower's MFi / Micro-USB Cable for the best performance. Qualcomm Quick Charge 3.0 USB Charger and USB-C/Type-C charging cables sold separately. Please contact customer service if you would like to buy this external battery to charge your type-c input devices with the type-c to type-c cables.