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Car chargers

OP primo523

25th August 2014, 01:13 PM   |  #1  
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Just thought I'd share something simple that helps if ur charging ur phone in the car. I've noticed a lot of chargers charge at 1 amp. Seems like it took for ever to charge my phone in the car. I recently bought a 2.1 amp charger for $10 and the charging difference is huge. 6-7 % in 10 minutes with full brightness and gps on. Just thought I'd pass this info on. Sometimes it's the simple things we overlook..

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25th August 2014, 04:16 PM   |  #2  
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Quote:
Originally Posted by primo523

Just thought I'd share something simple that helps if ur charging ur phone in the car. I've noticed a lot of chargers charge at 1 amp. Seems like it took for ever to charge my phone in the car. I recently bought a 2.1 amp charger for $10 and the charging difference is huge. 6-7 % in 10 minutes with full brightness and gps on. Just thought I'd pass this info on. Sometimes it's the simple things we overlook..

Sent from my SPH-L720 using JellyBombed Tapatalk 2

There is a lot more to it than just that. Many actual 2 amp + battery chargers refuse to charge at the full 1.9 amp. Apparently the stock samsung charger gives off a certain resistance between the data terminals. Some cheap usb cables drop the resistance to where it will not charge at full 1.9 even with the correct adapter.

I ended up soldering some resistors in my car charger and replacing the 2 wire usb cable with a 4 wire usb cable that I had laying around. It now charges at the full 1.9 amps. It's rated for 2 amps.


Found all the info here. http://forum.xda-developers.com/show....php?t=2274321
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25th August 2014, 07:13 PM   |  #3  
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Hey primo
Could u share the link for the charger you bought and where?
Thanks.

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29th August 2014, 08:16 PM   |  #4  
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mine
Quote:
Originally Posted by roninep

Hey primo
Could u share the link for the charger you bought and where?
Thanks.

Sent from my SPH-L720 using xda premium

i like this one
http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
Last edited by untwed; 29th August 2014 at 08:32 PM.
3rd September 2014, 09:53 PM   |  #5  
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thanks for pointing out the amps primo.. went and got 2 amp charger from biglots for 8$..much better.. was using a very old one and it was worthless.. also using factory cable instead of aftermarket made huge difference
10th September 2014, 01:50 AM   |  #6  
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I charge using external batteries...most of the time. I take it that using the correct cable would make a large difference as well
10th September 2014, 02:00 AM   |  #7  
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I use Monoprice PID 10239, works great
15th February 2015, 04:18 AM   |  #8  
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I bought a car charger from a Chinese eBay vendor and my phone charges from <5% to 50% in roughly 30 minutes.
16th February 2015, 01:26 AM   |  #9  
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I actually built my own charger that I hard wired into my car and I love it. I had a snap fish desk charger that crapped out on me, so I bought a lm2596 adjustable power supply for a couple bucks on eBay. Wired that up to the snap fish cable, adjusted the voltage and away I went. The module has a 3 amp capacity so it charges my phone or tablet quickly.

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