Power outputs for a single versus multiple devices vary as follows: Up to 65W when charging a single device under PD 3.0 and SFC(Super Fast Charging) 2.0 conditions with USB-C. Up to 25W when charging a single device under PD 3.0 and SFC(Super Fast Charging) conditions with USB-C. Up to 15W a single device under AFC(Adaptive Fast Charging) conditions with USB-A. This adapter can charge up to 3 devices simultaneously with 65W maximum total output power .