I used "watts" to keep track of my battery, just started using it yesterday and today I saw a weird period of the graph where the battery actually raised up to 3% higher by itself. Is this normal? Have a look at the graph below.
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Maybe you had your phone connected to the computer at that point?
No, it was in my pocket. I can be sure about that.
Well its probably measuring voltage.
Voltage goes up when the battery gets warm.
Voltage goes up when the current goes down.
lbcoder said:
Well its probably measuring voltage.
Voltage goes up when the battery gets warm.
Voltage goes up when the current goes down.
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I thought it was the other way around? Voltage goes up when the battery gets colder...
yeahh you're right thats why you can put your batteries in the fridge to make them work again . lol i discovered this when i was 5 XDXD
ultra spikey said:
I thought it was the other way around? Voltage goes up when the battery gets colder...
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Resistance goes down with cold, so if your measuring a circuit there would be less voltage drop giving the appearance of higher voltage provided the voltage source is not subject to the same temprature fluctuations.
I've just checked Watts data for the last couple of days on my phone -- there are those spikes too. It must have something to do with hot/cold issue as mentioned by others.
Related
Noticed this after I streamed video over HSDPA for 30mins. Phone is in a silicone case. Anyone else had this?
Screenshot from Spare Parts:
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chong81 said:
Noticed this after I streamed video over HSDPA for 30mins. Phone is in a silicone case. Anyone else had this?
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Yes, I had this once too when having the phone in the car using it for navigation on a sunny day. So it was heated up from the outside and and the inside.
Heat was about 45 celsius...
Could still use it though, but battery really drained.
After some time it cooled off again but i think it needed a reboot to get rid of the overheat status.
Can happen if you tax the battery much... Sadly...
But i think it should be nothing to worry about unless the temperature is really high (i would be worried at 50 or above).
i never see this before on my device. may be,i never use streaming on HSDPA before.
Hironimo said:
Yes, I had this once too when having the phone in the car using it for navigation on a sunny day. So it was heated up from the outside and and the inside.
Heat was about 45 celsius...
Could still use it though, but battery really drained.
After some time it cooled off again but i think it needed a reboot to get rid of the overheat status.
Can happen if you tax the battery much... Sadly...
But i think it should be nothing to worry about unless the temperature is really high (i would be worried at 50 or above).
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Thanks! I guess the high ambient temps (~30 deg C) in my country had a role to play.
I managed to rid the status without rebooting, by plugging in the AC adapter.
I just wanna ask if this is normal?
When I hold the screen for a while it can burn out my fingers.
Its freaky hot.
The temperature is 59 degrees celsius.
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Sent from my GT-I9000 using XDA App
Nope, its too high. Normal should be 32-36 and some times the temp may go a little high during charging. But never this high.
The obvious reason is ur Overclocking. Some phones are not built for it. STOP Ocing to 1.6. Try a reasonable 1.3 or the best 1.2GHz
You're gonna burn your battery and your phone into the ground if you don't scale that back.
It is usually best to try and keep your phone under 40c whevever possible, and never above 45c for too long.
Can the phone still run - yes
Is it wise for long periods of time - absolutely not!...
Sent from my GT-I9000 using xda premium
DonVito2020 said:
The obvious reason is ur Overclocking. Some phones are not built for it. STOP Ocing to 1.6. Try a reasonable 1.3 or the best 1.2GHz
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Or simply use the 1GHz standard CPU frequency for which the device was designed.
Overclocking without really knowing what problems this may cause....
Thank You guys.
I will try to keep the temperature in normal levels.
Thanks for the support.
Recently, some people have discussed about the power consumption of our nova ips screen in different background colour.
Here is a simple test to check out the real situation.
Again, the test is conducted with a power meter. The phone is initially charged to 100%. Hence, the reading is approximately to the power consumption of the phone.:laugh:
Firstly, the screen was set to 100% brightness. Here is the power consumption of the screen in different display colour.
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Then, the screen was set to 0% brightness.
As you can see, the power consumption are nearly the same with the same brightness level. Even thought the black is consuming little bit less power, the difference is negligible. The major factor affecting the consumption of the screen is the brightness.
Hence, we can use any background we like, no matter what colour it is. :laugh:
ps. the reading of the meter is not the actual power of the phone. This is due to some power loss during the voltage transformation. However, the value is still comparable and the test is a reliable test. :laugh:
Just type the thanks button if u think this is helpful.:laugh:
well, that's some good research.
Thanks for you time, good job. :good:
Indeed, it's very helpful, more for the devs I think...
However, can ask you to make test with different clockspeeds and voltages? like using zeus at 200Mhz with -7v->0v->+7v, then something like 600Mhz with -7v->0v->+7v and then 1200Mhz~1300Mhz with -7v->0v->+7v
Those values can give a more widely view and maybe help to something like SODs maybe? we know if voltage goes too low it wont even awake phone, so that could help to determine a min value for that, and a max value to not burn the core
after some days i bought my first zuk somehow it stopped working. Amazon replaced it with no problem.
This second phone, imo, is suffering of over heating. After 2-3 minutes of heavy usage it became really hot, almost not touchable. Does anybody else noticed this heating? On the long term, is this bad for the phone? Should i not use it when it's hot?
Thank you
It's not normal. My zuk gets really hot after 30-50mins of gaming. For the first 20mins its cold.
these are temps after 20 minutes of playing video on cardboard
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aren't 60C too high?
My phone is heating up to 75° C
Is it normal or I have to replace it.
The device m using is already a replaced one
Earlier set was also having the same problem.
My battery max. Temp reaches to 45° C
My CPU max. Temp reaches to 75°C
What should I do... :'(
Same here, guess we have a really hot device with high reaches..............
Lenovo phone is hetting also. And hanging problem
Heats up to a noticeable degree in the metal parts while gaming (asphalt, nova and such).. Doesn't heat up at all in normal usage. Has never been 'too' hot such that I feel uncomfortable holding it.. All in all, I'm satisfied with it.
P.S. Not in stock rom, I should add. Using DU with its stock kernel.
Hi!
I have a problem with my phone. It discharges by 50% overnight. I changed the battery, reset to factory settings. Nothing’s changed. The phone does the same with the old original battery, and with the new Chinese one, before resetting to factory settings, and after.
In order to find the source of battery drain, I’ve installed the GSAM battery monitor app and gave it the necessary rights through adb. Also, I’ve done wipe cash partition.
Could you please help to understand the results of app monitoring? The screenshots show the monitoring results for the last 8 hours when the phone was locked. Please, explain what might cause battery drain?
Spoiler: screens
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Make a note of the battery status. Turn off the phone completely. Turn on the phone after 12 hours and read the battery status.
Write the results here.
ze7zez said:
Make a note of the battery status. Turn off the phone completely. Turn on the phone after 12 hours and read the battery status.
Write the results here.
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66% (Info from GSAM: 3.86V, 263mA) was yesterday, 13% after 12h (3.51V, -866 mA).
Interesting.
It seems that the phone's electronics have damage or there are current escapes through micro short circuits caused by dirt on the exposed PCB tracks.
The first thing you can do is blow the inside of the phone with compressed air and/or wash the surface with isopropyl alcohol and then dry it well.