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1. #Wiring a multi port usb hub to a car battery mod#
2. #Wiring a multi port usb hub to a car battery Pc#

Allowing me to take a LOT more current when nessesery.

#Wiring a multi port usb hub to a car battery Pc#

Im joining 5v to 5v, whats the problem, the power system is working in parallel (because the hub can take it from a pc or the battery) and the data pins are unaffected. connecting the extra cable I just added to a male usb port that will go to my battery (usb power bank). Slit the cable open half way, find the red and black wires and make a T junction out of both.

#Wiring a multi port usb hub to a car battery mod#

The above was just to get the idea going, what im planning to do is belowĪnother mod I have is to take a usb hub, with ONLY a Usb cable with a usb male connector on it.

So by joining these two ports in parallel, I cant increase the total capacity as they are both the same battery. In micro usb battery bank or whatever you want to call it. This is confirmed by the face that if one port breaks the circuit is not broken.īy connecting them in parallel I should increase the capacity. This puts both sources of power/ports in parallel. If I treat the usb ports on my external battery as seperate sources of power, if i join the positive of port 1 to the positive of port 2 and then to a Micro usb cable. One for data+power and one for the extra power that larger HDD 3.5inch needs. Ive seen a few usb>sata cables in which there are two usb cables at one end. When in parallel the capacity of the two add together. When you connect batteries or power sources of the same voltage, in series, the voltage adds together.