Nexus 4 (non-rooted) battery calibration doubt ! - Nexus 4 Q&A, Help & Troubleshooting

Guys... I have a nexus 4 which is not rooted yet, running on stock android OS, android lollipop 5.0.1.
I know the manual procedure to calibrate a battery (charge till 100% in one go - discharge without charging in between or connecting phone to any device by USB till phone turns off - again charge from 0%-100% in one go). I do it with the stock charger provided with my phone.
But now I have a doubt.. What if I use a turbo charger to calibrate the battery !
Will the battery be calibrated efficiently as the charging is a bit fast with turbo charger.
And also.. What if I calibrate using a power bank, I have 2 power banks.. One charges phone fast like a turbo charger.. Other one is a bit slow.. Like the stock charger...
Will there be any difference between the battery calibration done with stock charger, phone connected to PC using USB, using turbo charger, a slow charging power bank and a fast charging power bank ? Does charging speed affect battery calibration ?
P.S. - While charging phone using both the power banks, it shows charging on AC.
Please someone clear my doubt.
Thanks
Sent from my Nexus 4 using XDA Free mobile app

Related

X10 discharge it self...Need Help

Hi
X10 is my first touch cell phone.
When battery is 30% i put it on charging it start Discharging till 0% and then phone go to shutdown. After sometime it start but take too long to charge 30% of the battery.
Is it normal for X10..???
Please help me if anyone know about this.
Thanks
Are you charging via usb or by ac adapter? usb charging does not seem to provide enough juice to charge the battery.
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Charging with AC adapater
i am charging it with AC adapater. its showing red light blincking when on charging.Is somthing wrong with charger.
Please reply me soon
instigator008 said:
Are you charging via usb or by ac adapter? usb charging does not seem to provide enough juice to charge the battery.
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from my experience with mine is up to 10% or 15% im not sure. theres a blinking red then after that its solid green..but charging is really slow on this
im usb charging at play around with it and its actually draining battery
not sure if this is normal but thats what im experience and most of the aftermarket charger out there doesnt work very well with this device
You need a charger with at least 850mA capacity to be able to charge the phone normally. USB charging from computer is slow as it is just 500mA and if you are using the phone for heavy stuff like watching video it may actually lower battery percentage instead topping it up.
Most aftermarket generic USB chargers are 500-550mA especially car adapters, some are even lower.. Make sure you get properly rated charger for this phone to avoid any issues.

Charging phone

Is it OK to leave the phone charging over night? Or are you only supposed to charge to 100 and then pull off the charger? If anything, what's best for the battery?
Sent from my Nexus 4 using xda app-developers app
Yes. It's ok. The phone stops taking power from AC.
But if you leave for more than 13 hrs the phone self destruct. It is a new Easter egg in Jellybean 4.2
Charge as you please. It's virtually impossible to damage the phone / battery through charging (disclaimer: original charger & providing nothing is defect), it stops charging when full.
Just avoid leaving it totally dead for longer periods, that's not good for the battery + avoid rapid temperature changes.

Help about charging

Hi. I have recently bought grand 2 and noticed battery getting hotter while charging. Which is not the case when i charge my phone with usb cable through pc. So i wanted to know whether it is good to charge through usb cable and pc or not?
I know this method takes time tho. Also does charging through this method makes the battery drain faster or not?
Is it because no one is available or no one is intrested..to give me an opinion...?
No difference between charging your phone by charger or USB cable using PC
but it is matter of time to full charge, max amps will takes by USB is about 370 mA
while charger gives you about 880 mA so charger is faster 2.5 time
And discharging doesn't depend on the charging method but it depends on the usage of your phone
Like playing games or not,WIFI on all time or not, and such so....
Finally it is better to charge your phone by original charger
Hopefully my opinion come in handy for you.
Thanks ?
Sent from my SM-G7102 using XDA Free mobile app

25W charger

i heard the battery get totally broken after one year of using the original 25W charger , what is ur experiences ? does ur phone over heat too when charging does it get to 50-60 C degrees?
I've been charging mine with the turbo charger since day one, it's been fine. There is technology built in to monitor the battery temps and ramp down the charge speed as the battery gets full. I've had my phone for 16 months now.
Max temp I get is 42-44c
Sent from my XT1580 Hammer using Tapatalk
same here : 15 months with my MXF the 25w turbo2 charger.
Battery never go over 45° in charge, battery life still as good as the first day
In my car I have the Moto 25w charger. With navigation and other apps running the temperature rises to about 46 degrees. At this point the charge rate drops. Only if my telephone is at the cool air and out of its cover does the charging rate remain at the full turbo charge rate
Sent from my XT1580 Hammer using Tapatalk
Alimataei said:
i heard the battery get totally broken after one year of using the original 25W charger , what is ur experiences ? does ur phone over heat too when charging does it get to 50-60 C degrees?
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Not so much that the battery fails. The connector (which is kind of crucial for QC 2.0/3.0) or the charge controller craps out. Battery's fine. Was fine when I did my swap out for charge failure. It's not the battery, which people incorrectly presume is the problem- the charge system is a feedback loop process running in the background while the OS is running. When you're dead, down, no charge in the battery, the device only draws USB 2.0 power levels, 500mA, until the OS can come up enough to manage the charging. Part of the reason they do this is because you're using a USB connection to charge with and unless you've got the 1.5 A USB charge slot or an AC charger with the ability to source up to 2.4 A of juice, trying to pull that much current will wipe your USB port on a PC/Laptop/etc OUT. This is just with traditional charging. Turbo/QuickCharge charging is about raising the voltages over the USB 2.0 lines on a cable to up to 12v as opposed to 5, to allow you to jam a bit more current through the lines and to the device, effectively doubling the power being fed to the charge system. Problem with that is that you REALLY need the OS up and running to manage that. It requires info from the Charge Controller chip that is handshook from the charger.
If your charge controller is damaged, or if the cable doesn't have clean data and power lines, it just simply WON'T WORK. It will just USB mode charge until you fix the "problem"- either of which requires Lenovo to re-work the board...if it's even possible to fix. USB charging takes forever with this class of device- because the battery is a huge tank of juice compared to the devices of old. So it "looks" like the battery got "broke".
Having said this, there's about 20-40% of the units out there, depending on the crowd you listen to, that have a defective charge controller system and the phone flat-out won't ever go into any mode other than USB.

Need help with my battery S4 I9500

My battery drains too fast, using my phone continually it can discharge in about 3 hours. I have installed FirstFlight N7 Themed V6 ROM and I feel the battery discharges faster than in the stock rom did. I installed Ampere app to measure how much current my phone was charging and discharging and when the charger is not plugged in it discharges at 460mA, is that normal? I bought a Samsung 2A charger and it charges at 600mA or maximum 700mA but I changed the usb cable of the charger and it charges at 860mA or maximum 900mA. I don't understand because it should charge at 1900mA but it doesn't, how does I reach that? I need to mentioned that I charge the pone directly in a wall, not in a usb port, and why does my battery drain too fast? I need help :crying:
Charging current is dynamic. You can't make it always 1900mA as it highly depends on current device status, USB cable used when charging, etc. Also, ported ROMs tend to drain more battery compared to stock one and it's normal and not an issue for those who enjoyed ported ROM.
Sent from my Redmi 3 using XDA Labs

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