The VoltHub Pro, here in the 20,000 mAh variant, allows for the fast, simultaneous charging of up to three devices. It features one USB-C and two USB-A charging ports and supports modern standards such as Power Delivery, Qualcomm Quick Charge, Samsung AFC, and Huawei FCP/SCP for smooth compatibility and high charging speeds with most smartphones and tablets. A numeric LCD display informs you of the exact charging status of the power bank itself.