[Q] Do Mi Power Banks Supposed to Charge via AC or USB Mode? - Mi 3 Accessories

1) Using the common cable (power + data), does Xiaomi power banks supposed to charge via AC or USB Mode?
2) Is the OEM cable in included in the packed supposed to be "power + data" or "data-only"?
3) Are the answers to questions 1 & 2 true also for the Mi 16000mAH Power Bank?
On my Mi 16000mAH, using the OEM cable, which is charge+data, it charges via "USB Mode" which is low-current. I tried the power bank of my collegue which is Pineng brand, it charges via "AC mode".
So is this suppose to be the case for a genuine one?
Thanks for any response!

i use both ac and usb charging for my 10400mah mi power bank so far no problems

Kamal_Saran said:
i use both ac and usb charging for my 10400mah mi power bank so far no problems
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Click to collapse
Thanks for your response, but I think you misunderstood my question (and I didn't make it clear).
What I mean is, using the common charge+data cable (able to charge and data transfer), does the Xiaomi power bank charge the smartphone via AC mode or USB mode (you can see this on your android battery status/application during charging)? I'm actually talking about the smartphone charging by the bank, not the bank itself.
Can your bank included USB cable be use for data transfer? Also did you already confirm that your unit is genuine (please type Xiaomi fake on youtube and google, there are many pointers to almost definitively confirm it).
Thanks!

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oh... Okay...well here's your answer its showing charging via AC when connected with power bank..also mine one is authentic..I'm from India ..here xiamoi sells its products via Flipkart...I bought it from them...hope this helps

Kamal_Saran said:
oh... Okay...well here's your answer its showing charging via AC when connected with power bank..also mine one is authentic..I'm from India ..here xiamoi sells its products via Flipkart...I bought it from them...hope this helps
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Click to collapse
I see, thanks much for that. Now my follow up question is, can the OEM cable included be used for data transfer (is it a power+data cable)?
On my 16000mAH the cable included is power+data and the bank is charging phone only via USB mode! Though it also looks genuine from the various pointers on the web. So, in order for me to use it via AC mode (faster charging rate) I should purchase another cable that is charge-only, which suppose to force the phone to be charge via AC mode (by shorting data pins but this is is supposed to be done by the charger, whether wall adapter or power bank).
So I'm really wondering whether this is true for all 16000mAH (unfortunately yours is 104000mAH). I already tried to post it on Xiaomi official forum but no one is helping..

...also if you are charging from the bank, is there a way to pass data through at the same time, similar like we are doing hooked via computer?
Thanks

Use Ampere app to see charging rate

Related

[Q] Wall charger vs USB charger

Hi,
I have noticed my phone charges much quicker via the USB on my PC. It takes about 2 hours to charge fully, while the wall charger takes 3-5 hours to charge like 40% or something.
The specifications for the wall charger are:
INPUT: 100-240V ~ 50/60Hz 0.2A
OUTPUT: 5.1V=== 850mA
I do'nt know what the specs for my USB port are? Can I check it in the BIOS? I have googled and found it's something around 5V 500mA, so technically my phone would charge slower...
This is how the wall charger looks like (you can unplug the USB-cable and use it on the PC since it's not a standard USB-mini connection).
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Thanks for any feedback.
G1-Amateur said:
I do'nt know what the specs for my USB port are? Can I check it in the BIOS? I have googled and found it's something around 5V 500mA, so technically my phone would charge slower...
Click to expand...
Click to collapse
Well the 500mA is the minimum spec for USB, basically they say its at least 500mA so that manufactures know how much power to expect and can design devices to run at that amount of power or less. That being said, USB can be anything above 499mA, I have seen a laptop put out 2000mA before even. So yes it is quite possible that your computer could put out over the 850mA of your charger. It probably won't say what its capable of delivering in your BIOS, if you really want to know you could try to find the specs for your computer/mobo/usb chipset. All that being said, you could always get a different USB wall adapter if you wanted to charge faster w/o a computer, just because it came with the one you currently use doesn't mean you have to use it (it is just a powered USB port after all).
Cocide said:
It probably won't say what its capable of delivering in your BIOS, if you really want to know you could try to find the specs for your computer/mobo/usb chipset.
Click to expand...
Click to collapse
Thanks, I will have to look into this, since someone else was implying my charger is broken...
dalkor said:
Seems like your wall charger is defective, normally It takes about 1.5-2 hours for working wall charger to make the job done.
Standard PC USB port output is 5v==500mA, so it's strange that you can fully charge 1140 mAh battery just in 2 hours.
Click to expand...
Click to collapse

Car charger that's recognised as an AC charger

Has anybody already found a charger for in the car, which is recognised by the phone as an AC charger? (besides from the official HTC car dock/charger)
Because the charger I'm using is recognised as an USB charger, and therefore doesn't charge faster then 500mA.
Bart1981 said:
Has anybody already found a charger for in the car, which is recognised by the phone as an AC charger? (besides from the official HTC car dock/charger)
Because the charger I'm using is recognised as an USB charger, and therefore doesn't charge faster then 500mA.
Click to expand...
Click to collapse
All the chargers I have are recognised as notmal charger, never had this problem you mentioned.
No problems with my car charger either
Sent from my HTC One using Tapatalk 2
clninja said:
No problems with my car charger either
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idanfima said:
All the chargers I have are recognised as notmal charger, never had this problem you mentioned.
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Click to collapse
What chargers are you using?
And it's not a big problem, it's not even a problem, it's just how the charger/phone works..
Bart1981 said:
What chargers are you using?
And it's not a big problem, it's not even a problem, it's just how the charger/phone works..
Click to expand...
Click to collapse
having it recognize that it is AC vs USB is one problem... but even if it says it is charging via AC, it doesn't always pull more than 500ma (even if it is a 2.1a charger, etc). i've been testing chargers and inverters w/ac adapters all week. i've got one more to test before i narrow down the issue (hopefully).
this was just delivered: http://www.amazon.com/gp/product/B009TBF7IG/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1
tested it using my normal method-- watching Battery Monitor Widget for about 20 minutes, while running Ingress. the app reported battery draw fluxuated between -56 and +300. i've been using Ingress as my test app because it tends to really hammer my battery. this new charger doesn't seem to be as consistent as the 5Vdc/2A wall charger i use with an inverter, but i'm going to keep trying it to see how it works in 'real world' cases over about an hour or two. i'll let you know, but this charger is potentially an answer to this car charger issue.
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Ok that looks promising indeed. Does the phone recognise it as an ac charger?
Too bad I can't order from amazon.com and on amazon.co.uk it's not offered.
Sent from my HTC One using xda premium
Bart1981 said:
Ok that looks promising indeed. Does the phone recognise it as an ac charger?
Too bad I can't order from amazon.com and on amazon.co.uk it's not offered.
Sent from my HTC One using xda premium
Click to expand...
Click to collapse
Yes, it is recognized as AC-- but so are most of the car adapters I've tried (mostly, those just have the 2 middle pins on the USB port shorted), but they have a lower wattage output, typically at like 6-8W. I bought this one specifically because it says it can output 5Vdc/2A, or 10W, per USB port. I suspect it will dip below 10W when both ports try to output at max capacity, but I'll be able to test that this weekend (and aside from testing, there's virtually no time where I'd have a need of that).
I performed a second test, about 30 minutes of talking on my phone via a bluetooth headset, Ingress open and running, push emails for GMail and Exchange, full brightness and volume, etc, and it only dropped down to discharging a handful of times. This is definitely much closer to the results I've gotten when testing a 5Vdc/2A output DC adapter.
You might be able to find other 5Vdc/2A adapters on Amazon UK, and ruling out the 'piece of junk' factor, hopefully some of them will work. I'd think that for the duds, you can at least return them for a refund by stating they don't output the proper wattage as stated on their product pages.

Does the USB c port open new options for OTG+charging?

Previously, OTG plus charging was limited by the mini USB pin spec. But USB c shouldn't have those limitations.
keylimesoda said:
Previously, OTG plus charging was limited by the mini USB pin spec. But USB c shouldn't have those limitations.
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Click to collapse
Good question and I don't have an answer. So I ordered https://www.amazon.com/gp/product/B01HNYHQZM/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1. I'll report back this weekend with results.
I've got one coming, but I'm too junior to post external links
On amazon:
Aukey
AUKEY USB C Hub, 4 USB 3.0 Ports + Type C Input Charging Port Aluminum Body for MacBook, Google Chromebook Pixel
I'll report back as well.
Got the hub. Heres my test scenarios:
1. Connect just the hub (no power). Phone recognizes the hub and sends power to the hub.
2. Connect device to hub from #1. Device is recognized by phone.
3. Connect power to hub from #2. No power to phone or device.
4. Connect power to hub (no devices). Then connect phone to hub. Phone charges from hub.
5. Connect device to hub. Connect power to hub. Device is not powered.
6. Connect hub #5 to phone. Device is recognized by phone and phone and device both receive power from hub.
Repro shows #6 works consistently. Success!!
NOTE: #6 only seems to work when I've got the hub plugged into my Anker 48W wall USB charger. Hasn't worked with two other USB chargers I've tried, including the Note 7's quick charger.
keylimesoda said:
NOTE: #6 only seems to work when I've got the hub plugged into my Anker 48W wall USB charger. Hasn't worked with two other USB chargers I've tried, including the Note 7's quick charger.
Click to expand...
Click to collapse
I did not find a 48W anker wall charger, only 40W and 60W. Can you post the exact name or the amazon link (remove "www." and post it as text)? Is it a usb-c PD charger?
I think that the aukey usb-c hub requires a charger with usb power delivery in order to work. The note 7 (exynos version at least, tested by a Chinese gizmo website) supports usb power delivery in addition to QC2.0 but the included Samsung charger is only QC2.0 and therefore incompatible with this hub.
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QI Wireless Charging Questions.

This item has the QI/PMA Wireless Charging. Does this item support the FAST wireless charging?
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http://www.devicespecifications.com/en/model/29883c73
The official brand QI charger comes in 2 varieties:
- Samsung Fast Charge Qi Wireless Charging Pad
http://ca.shopandroid.com/samsung-f...arger-included-black-sapphire/5A233A22384.htm
- Samsung Mini Wireless Charger
http://ca.shopandroid.com/samsung-mini-wireless-charger/5A233A24013.htm
Is it necessary to use/need the 2A charger? I read somewhere that there is a possibility of damaging the Wireless Base if you do not use the 2A charger.
Is using your USB port on your PC not recommended, other than for the fact it's only .5A and will need all night to charge?
Any user verified info on this will help me in making a decision regarding a purchase.
UnableToResetOldProfile said:
This item has the QI/PMA Wireless Charging. Does this item support the FAST wireless charging?
http://www.devicespecifications.com/en/model/29883c73
The official brand QI charger comes in 2 varieties:
- Samsung Fast Charge Qi Wireless Charging Pad
http://ca.shopandroid.com/samsung-f...arger-included-black-sapphire/5A233A22384.htm
- Samsung Mini Wireless Charger
http://ca.shopandroid.com/samsung-mini-wireless-charger/5A233A24013.htm
Is it necessary to use/need the 2A charger? I read somewhere that there is a possibility of damaging the Wireless Base if you do not use the 2A charger.
Is using your USB port on your PC not recommended, other than for the fact it's only .5A and will need all night to charge?
Any user verified info on this will help me in making a decision regarding a purchase.
Click to expand...
Click to collapse
I only have experience with an Anker Qi charger which I bought a few years ago for a nexus 5.. If it doesn't get fed 2A, then it just sits there and no charging occurs, no LEDs light. Nothing. I'm guessing the Samsung would be equipped to ignore a power source that can't produce enough current without causing damage to the charger.
2A is necessary because the wireless charging process is lossy. I think my Anker states on the back that it outputs 1A, so that's a 50% loss. The Samsung is probably better than that, but will not be 100%. You'll never get a charging rate that's equal to directly plugging the phone into the supply. So even if a wireless charger existed that could work with a 1A capable power supply, it would be a bit pointless because the charging rate would be sloooow. These active phones have huge batteries, so it would be even less desirable.
Hope that's useful despite my lack of experience with the official wireless chargers.
Itian make some great, cheap fast wireless chargers that will utilise the 9V output of your official samsung charger. It isn't quite as fast as plugging in to the fast charger, but it is damn close and confirms 'fast charging wirelessly' when you pop it on there.

Question What charging protocol does it use?

Mines in the mail, I got it from Ali, gsmarena (I think it was gmsarena...) says its QC3 AND PD at 33w.
Fairly certain the bundled charger won't natively work in my countries power points even though it will come with an adapter.
Can anyone tell.me what specific charging protocols it uses, is QC3, QC4, FC2 or PD? I wanna get a single port wall wart that does the top speed charge to leave in my man bag
Hey. According to SP870 spec it's QC 4+. When I was using the charger from the set Ampere showed me around 5800mA input.
Source: https://www.qualcomm.com/products/snapdragon-870-5g-mobile-platform
osemoka said:
Hey. According to SP870 spec it's QC 4+. When I was using the charger from the set Ampere showed me around 5800mA input.
Source: https://www.qualcomm.com/products/snapdragon-870-5g-mobile-platform
Click to expand...
Click to collapse
Does that mean I should be able to buy anything PD 33w+ to charge at full speed?
Looks like, but I'm not an expert. Have not tested many adapters. I know one thing about it though. Huawei adapters didn't fit my Poco F1 in the past (they were too strong maybe, or had another standard).
I tested these two chargers
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And got these results (same order)
On the normal usb port of 2nd charger
osemoka said:
Hey. According to SP870 spec it's QC 4+. When I was using the charger from the set Ampere showed me around 5800mA input.
Source: https://www.qualcomm.com/products/snapdragon-870-5g-mobile-platform
Click to expand...
Click to collapse
What cables are you using? I tried charge with xiaomi powerbank 45w pd or 45w aukey max I am getting 46xx with following cables
jonathonsunshine said:
Does that mean I should be able to buy anything PD 33w+ to charge at full speed?
Click to expand...
Click to collapse
To achieve full charing speed you need mi turbo capable charger. You will see mi turbo instead of quick charge icon (attached ss) I tried official xiaomi powerbank 3 pro 45w pd using type c to type c (100w capable cable) it doesn't show mi turbo. So it's not full speed.
Update you guys it's using 11v3a I think, it's going to be harder to find one. Their faster charger uses 20v3.25a if not mistaken i seen a Huawei powerbank that has this. Can it give out mi turbo I don't know. I attach spec of their 55/65w charger and Huawei powerbank spec. I am atm looking for a mi turbo capable powerbank. Apologies in advanced for any mistake.

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