This means that the hubs will power the raspberry pi through its usb cable input cable without the need for a separate micro usb power cable and bypass the voltage protection.
													
																	Pi power cable. 
									
	
		
	
																	While a hardware revision is the best way to handle this there are other options for makers with the current version of the pi 4. 
																	A good way to power a raspberry pi in an awkward location is to use power over ethernet poe. 
																	This didn t affect the usb c cable and power adapter that shipped with the raspberry pi 4 desktop kit nor should it affect any future raspberry pi 4s you buy but it s definitely something to. 
																	Power supply 5v 3a with switch ul 2 5a 2a 1 5a 1a fast rapid charge ac adapter w 1 5m extra long on off power switch micro usb cable for raspberry pi 3 model b b plus 4 pack 4 5 out of 5 stars 68 29 99 29. 
															
													
									
	
		
	
																	If you are using a hub that backfeeds to the raspberry pi and the hub experiences a power surge your raspberry pi could potentially be damaged. 
																	This technology uses a standard ethernet cable to send power to a special add on board fitted to a raspberry pi. 
																	When you have a generic usb power adapter you ll need a us to micro usb cable to connect that power to your raspberry pi.