Supports 45W super fast charging 2.0 for Samsung Ultra series3. Charge the latest Samsung phone to 70% in 30 minutes. GaN chip, stable charging, less heat, safer to use. Power up a Mac-book Air at full speed, charge from 0% to 52% in 1 hour. Supports Samsung SFC 2.0 (45W), PPS, PD protocols. Compatible with PD3.0, QC3.0 protocols, fast charge phones and tablets of different brands. 6-point safety protection including over-current protection, over-voltage protection, etc.