The NITECORE UA42Q provides two QC 2.0 & 3.0 ready charging ports for your Samsung, Android, and other QC enabled devices including NITECORE fast chargers like UMS2 UMS4 etc. Simultaneously pushing out up to 3A of current from each port, it outperforms a traditional USB adapter by over 300%. Furthermore, UA42Q is compatible with all mainstream devices as a standard USB power adapter.