USB Charging Port (2018 LX) - Kia Forum
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post #1 of 41 (permalink) Old 11-26-2018, 04:58 PM Thread Starter
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USB Charging Port (2018 LX)

Shouldn't the USB in dash charging port be capable of charging a smartphone?


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post #2 of 41 (permalink) Old 11-26-2018, 06:11 PM
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Yes, if it is operating correctly. Verify if the cable works elsewhere, I've had that happen a time or two. If the cable is good you may need to check the fuse (I'm not sure which one) or visit the service department.
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post #3 of 41 (permalink) Old 11-26-2018, 06:18 PM
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Yes and no. It only provides about 0.5 amp of charge. Many of the larger, newer smartphones require at least 1 amp for a decent charge and 2 amps minimum for a fast charge. If you are using Android Auto/CarPlay, that's all of the charge you will get. I wired in a 2 amp charger just for charging my smartphone using a fuse tap accessory USB plug with two outlets. I have it under the dash so all you see is the cord coming out near the built-in USB outlets.
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post #4 of 41 (permalink) Old 11-27-2018, 05:08 AM Thread Starter
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Thx. I know the cable is fine. I'll have to plug something else in there to see if anything is flowing.


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post #5 of 41 (permalink) Old 11-27-2018, 09:47 AM
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I never need to charge my phone in the SX but I think I've read on the forum that the ports only
work while the vehicle is on.

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post #6 of 41 (permalink) Old 11-27-2018, 11:31 AM
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The basic USB charging rate is 0.5 Amps. Only the B+ and Ground pins on the USB connector are used. The data pins are NOT used. At this charging rate, your phone may take a while to see any increase. The charger that came with your smartphone may charge at a higher rate, but it does this by communicating with the phone over the data pins. Only your phone manufacturer's charger will provide the correct data sequence to enable faster charging. Manufacturer's do this to try to force you into using their charger and not some generic brand.

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post #7 of 41 (permalink) Old 11-27-2018, 01:16 PM
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Quote:
Originally Posted by rvoll View Post
Yes and no. It only provides about 0.5 amp of charge. Many of the larger, newer smartphones require at least 1 amp for a decent charge and 2 amps minimum for a fast charge. If you are using Android Auto/CarPlay, that's all of the charge you will get. I wired in a 2 amp charger just for charging my smartphone using a fuse tap accessory USB plug with two outlets. I have it under the dash so all you see is the cord coming out near the built-in USB outlets.
I have the newest iPhone, I can plug it in near low battery, use CarPlay, and have it be mostly charged at the end of most drives over 20 minutes, and fully charged after my 1 hour+ commute. I have never noticed it to be an issue. Your "solution" seems unnecessary for 99% of applications, but more power to you if you want to go all amateur electrician on a new car.
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post #8 of 41 (permalink) Old 11-27-2018, 05:52 PM
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Its not powerful enough to charge the newer phones quickly but given time they will charge. Basically its great for emergency phone power so at least you won't be incommunicado.

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post #9 of 41 (permalink) Old 11-27-2018, 08:52 PM
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Originally Posted by karlh View Post
The basic USB charging rate is 0.5 Amps. Only the B+ and Ground pins on the USB connector are used. The data pins are NOT used. At this charging rate, your phone may take a while to see any increase. The charger that came with your smartphone may charge at a higher rate, but it does this by communicating with the phone over the data pins. Only your phone manufacturer's charger will provide the correct data sequence to enable faster charging. Manufacturer's do this to try to force you into using their charger and not some generic brand.
As I understand it, this is true for USB 1.0 and 2.0. USB 3.0 has .9A downstream and 3.1 can go to 1.5A without using data lines. For whatever reason, my smartphone will not charge higher (but maintains a charge) through the car's USB port but will charge up fairly quickly on my external port with 2A.
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post #10 of 41 (permalink) Old 11-27-2018, 08:59 PM
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Originally Posted by orm518 View Post
I have the newest iPhone, I can plug it in near low battery, use CarPlay, and have it be mostly charged at the end of most drives over 20 minutes, and fully charged after my 1 hour+ commute. I have never noticed it to be an issue. Your "solution" seems unnecessary for 99% of applications, but more power to you if you want to go all amateur electrician on a new car.
I don't know what you have running in the background on your iPhone, but I'm a dedicated Android user and it won't work for me. What I've done is not "amateur electrician" -- an add-a-circuit is something most people can do. However, I always put higher output extra ports on my new cars within the first month or two of ownership and on most cars, I install upgraded audio myself. I also do all of my own, up to code, wiring for my house. Installing the add-a-circuit on the Sportage is easier than on most cars and I didn't have to remove any parts of the dash except the two covers on either side of the center hump (which just easily pop out). It took me about 5 minutes total for that install.
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