1. Input: DC12V-30V 2. Total power: 51W max [USB 33W+USB 18W]. 3. USB 1 output 33W: 5V/3A, 9V/3A, 12V/2.75A. 4. USB 2 output 18W: 5V/3A, 9V/2A, 12V/1.5A 5. Support for simultaneous fast charging: Dual line design, supporting USB 33W and 18QW dual port simultaneous fast charging. 6.33W port support: QC3.0 33W supports Oppo 33W super flash charging/Huawei 40w/66w flash charging for most models, and supports Xiaomi English labeling. 7. Applicable to: Suitable for smart fast charging of all brands of smartphones and tablets such as iPhone series, iPad series, Samsung, Huawei, Xiaomi, and VIVO.