USB Maximum Power - kylessukaichang/kylessukaichang.github.io GitHub Wiki

  • USB Maximum Power Output Standards
    • USB 1.0 and 2.0
      • standard downstream port
        • delivers up to 500 mA or 0.5A
    • USB 3.0
      • each standard output
        • up to 900mA or 0.9A
        • 4.5 watts
        • 5 volts
      • dedicated charging and charging downstream ports
        • up to 1,500 mA or 1.5A
        • 7.5 watts.