Question About A Super Charger Idea.
#1
Posted 23 August 2012 - 09:56 PM
If my research is correct. a single usb phone charger can transfer 5V of current to the phone per USB connection. I have seen the micro usb cable for like 20$ that has a cable connection the 2 usb ports to each other (pic below for an idea)
I was wondering, since I have plenty of extra wire, heatshrink tubing, and solder, would the following work
Take a single tip of a phone charge, soldering it to 2 pieces of 12guage wiring (positive and ground). Then on the opposite end soldering 2 Female connectors.
Then having 2 seperate pieces, each piece containing a male connector on 1 end followed by 2 usb hubs. (pic below)
Therefore you can use 1 or 2 connector which will allow access to 2 or 4 USB hubs.
Then using the following in a car (use 1 or 2 depending if you want to use 2 or 4 USB hubs.
Theoretically this should provide 4x the current and charge the phone at 4X the normal charge speed.
Would this work well or would it overload the phone.
The reason behind this idea is i work 2 full time jobs given a 1 hour break in between the 2 which i need to charge my phone for the next shift.
#2 Guest_BDH_*
Posted 23 August 2012 - 10:16 PM
- HouseMD likes this
#3
Posted 23 August 2012 - 10:19 PM
#4
Posted 23 August 2012 - 10:31 PM
#5
Posted 23 August 2012 - 10:33 PM
#6 Guest_BDH_*
Posted 23 August 2012 - 10:44 PM
I thought so as well haha. Just wondering if this design would work as I assume. If it would I plan on butchering a couploe phone chargers and making a nice charger and will return with pictures.
It seems like it would work actually and seems like a pretty good idea. Would love to see pics of the actual rough draft when you get it started.
#7
Posted 23 August 2012 - 11:11 PM
#8
Posted 23 August 2012 - 11:28 PM
The first dual plug cable would be helpful when charging off standard USB ports that are only have 500mah output so you can full charge rate though.
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#9
Posted 23 August 2012 - 11:38 PM
also the only real benefit of having 2 usb hubs would be for connecting to a computer since those USB only have a 500mah output value correct?
#10
Posted 24 August 2012 - 12:02 AM
I actually have a cable that ironically came with a 2amp car charger that won't pass enough current to charge my phone while in the car(BT, GPS, data, screen on, etc) due to the phone using all the current it can pass(not sure how much it actually can). It does charge under lighter loads so I just use it has my PC cable where the USB port is normally the limiting factor.
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#11
Posted 24 August 2012 - 03:53 AM
I bought a USB hard drive which uses a Mini USB connector and that came with the type of cable you are describing BC laptop USB ports don't generate so much power
#12
Posted 24 August 2012 - 04:32 AM
So, I'm not technically literate in the battery world, but i know their are certain limits the batter can charge to without exploding. and, I wouldn't risk exploding my maxx battery, kinda need it
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#13
Posted 24 August 2012 - 05:45 AM
CarbonRazr, it's sharper than yours
#14
Posted 24 August 2012 - 05:51 AM
Am I understanding correctly: you plan to connect a USB plug to a USB port on a computer as well as the phone while charging?also the only real benefit of having 2 usb hubs would be for connecting to a computer since those USB only have a 500mah output value correct?
Feeding 5VDC back into a PC USB port does not seem like a good idea to me.
#15
Posted 24 August 2012 - 08:40 AM
Well as for using two usb ports in the car to charge one phone, wouldnt the power from the cig lighter port be divided amongst the two ports? Making them 6v each? So wouldnt you get just as much power from a single port as you would by using two?
CarbonRazr, it's sharper than yours
Each USB port should out put 5VDC, no matter how many it has. Normally if the charger is rated a lets say 2amps & has 2 ports you'll only get 1amp at each port(this seems to be what those mini charge from the OP tend to be), if you used only one of these port, both or a single port 2amp charger your charge times should he about the same, as in this example the phone charging circuit is the limiting factor.
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#16
Posted 24 August 2012 - 08:50 AM
Am I understanding correctly: you plan to connect a USB plug to a USB port on a computer as well as the phone while charging?
Feeding 5VDC back into a PC USB port does not seem like a good idea to me.
He wants to plug into multiple PC USB or other USB power ports to increase the current to the phone for faster charging. What he's wanting to do does work & they sell USB cables that come with 2 PC USB connectors just for this normally used for portable USB HD cases as mentioned above. This however will only help charge times if the USB power ports put out less current than the phones charging circuit will use. If the ports output the same/more than the phone's charging circuit will use the doing this won't make a difference.
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#17
Posted 25 August 2012 - 06:14 AM
#18
Posted 25 August 2012 - 03:28 PM
To confirm the earlier points... When electric current is divided on multiple channels, there is theoretically only a split in amp load and a potential change in vars. Being that we are dealing with batteries, vars don't matter to us and can be ignored. Voltage (theoretically) remains constant. In practical application there will be a voltage drop technically, but not significant enough that matters to us in this case.
#19
Posted 25 August 2012 - 04:15 PM
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