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Fast charging on MI3. Does it work?

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By reneftw, Senior Member on 1st September 2014, 05:15 PM
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Does anyone here have a 2A charger and can tell us how much MI3 will get of that current? It is said that the MI3 comes with fast charging, but I bought a 2A charger and the maximum the phone gets is 1.3A. I am curious if that is the maximum the charger will output or just the phone can't receive more.
Did the measurement using Elixir2 app from the market, the "Information" thing. The standard Xiaomi charger puts out a maximum of 1A, and the brand new charger I got a maximum of 1.2A.
 
 
2nd September 2014, 07:49 AM |#2  
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Nobody has a 2A charger? Maybe from a Samsung phone or tablet.
2nd September 2014, 12:28 PM |#3  
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Quote:
Originally Posted by reneftw

Does anyone here have a 2A charger and can tell us how much MI3 will get of that current? It is said that the MI3 comes with fast charging, but I bought a 2A charger and the maximum the phone gets is 1.3A. I am curious if that is the maximum the charger will output or just the phone can't receive more.
Did the measurement using Elixir2 app from the market, the "Information" thing. The standard Xiaomi charger puts out a maximum of 1A, and the brand new charger I got a maximum of 1.2A.

I have 2A charger that I got with MI3 India. My phone gets 1.3 - 1.5 A while doing fast charging. I guess that's maximum it can draw.
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19th January 2015, 01:04 PM |#4  
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How long does it take to charge?
19th January 2015, 05:31 PM |#5  
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For me only 0.6A
Hey man I heard someone on AOSP gets 1.9A, IDK how he does that.
For me even 1.3A would be good, look:

I have tested it with more chargers, in more rooms, but I get only 0.6A
Every charging takes 3.5h for me.
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Last edited by Tomi_Ohl; 19th January 2015 at 05:33 PM. Reason: charging time: 3.5h
20th January 2015, 11:22 AM |#6  
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Yes, 0.6A is pretty bad. Even stock charger is 1A. Maybe thay did that in MIUI to protect battery heating (to prolong battery life). I haven't tried AOSP (I'm waiting for non-MIUI stable lollipop release), but I will certainly check it out.
I've also noticed that in the chargers where two middle data pins don't work (meaning there is no voltage in them), charging doesn't work either (or it is waaay slower).

EDIT:
I've just charged my phone using Logitech charger (that came with my MX1100 mouse), and found out that MI3 uses 1A on this charger (don't know what is the rate on original charger). I am using MIUI 5, latest stable.

Last edited by Silac_8; 20th January 2015 at 12:32 PM.
8th April 2015, 01:17 PM |#7  
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Hi guys! I know this is an old thread but I didn't want to open a new one.
I'm currently using a 5V 2A Samsung charger and my Mi3 only draws
1320-1330 mA. I'm using Ampere and I'm on Miui6 4.4.4 Xiaomi.eu latest
developer release.

What I would like to know is:
1 - Is it possible to enable fast charging through a software update given that
the hardware supposedly supports it or is this a limitation of that little chip that is
responsible for the current draw during charge?

2 - Does anybody know if the phone draws more mA with a different rom?
Thanks
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