The all new ALPRA FAST 20 is the 20000 mAh premium quality power bank that comes with both-way 18 W fast charging. It supports QC 3.0 and PD 3.0 fast charging standards. It has 2 fast charging outputs, 1 fast charging input and 1 micro USB input. Additionally packaging contains C to C fast charging cable and USB to micro-USB cable. This power bank is compatible with a wide range of phones, tablets, music players, Laptops and other USB, Type C chargeable devices. SMART POWER MANAGEMENT Simply single press the power button to enter a 2-hour low charging mode to safely charge low power devices such as the smart fit band and other Bluetooth devices etc. For switch off ALPRA power bank double press the power button.