What is important to know is that some usb power sources aren t going to charge or power your device well.
Micro usb cable power rating.
Any micro usb cable worth its salt even micro usb to usb c cables can carry up to 15 w of charging power although most tap out around 12 w and transfer data at sluggish usb 2 0 speeds up to 480.
This is especially useful for peripherals that draw higher power levels such as an external hard drive.
One of the ends of the cable is a micro usb male while the other one is a micro usb female.
The inside pins carry data d and d and the outside pins provide a 5 volt power supply.
As with earlier versions of usb usb 3 0 provides power at 5 volts nominal.
This makes this wire handy when it s necessary to connect two digital gadgets through otg.
A broad variety of usb hardware exists including several different connectors of which usb c is the most recent.
Usb 1 0 and 2 0 provide 500mah of current.
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For high power superspeed devices the limit is six unit loads or 900 ma 4 5 w almost twice usb 2 0 s 500 ma.
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Okay now the numbers.
Usb provides power according to the generation of the hardware.
The available current for low power one unit load superspeed devices is 150 ma an increase from the 100 ma defined in usb 2 0.
The startech cable has a usb 2 0 interface with the capacity about 480 mbit s.