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So, for a long time reading the forum and asking a question along the way, why I have so quickly battery discharging on my phone, I came across an interesting thought: "and from what I actually compare?. someone wrote about 5% per night, someone love to confess on the tab "Journal of the battery and it shows that he is the difference between" running "and"phone on "0.5%. but what is a night (for me it's 8 hours for someone 5). which network who have (GSM or 3G)? Also, we are constantly being developed and modified ROMs and kernels, which also constantly featured the words "lowered energy consumption."
And how do you actually compared the energy consumption of the old firmware to new. usually it sounds like "on the old firmware, I charge the phone every day, and now I charge every 2 days." but we don’t know details of how actively you used options of your phone on the old version, and how use now "(for me, For example the first 3 weeks after buying the phone had lived only one days, but now 2-3 days. but not because the new firmware, but because I'm tired of constantly digging through the phone settings and install the different soft, thus discharging it).
So, our challenge is to develop an algorithm (and in the future opportunities programs), as can be correctly and objectively compare the power consumption of our devices. That at least from the transition to the firmware to the firmware, from one kernels to another to be sure that the phone will not live less than before. Search for programs of this kind I have not been successful, can someone tell me if he knows?
actually look to you for ideas, how best to develop an algorithm testing the phone, and simultaneously bring your own.
then everything will be set out with respect to the software part, because hardware is not subject to us
1. So, first of all we need to start with any initial data. Having read all the threads about power consumption, I have come to the conclusion that the original data should include the following:
- Do wipe battery stat. We fully discharge the phone till shutdown and charge it in off state. after the device is fully charged, unplug it from the charging device and do wipe batter stat from the recovery menu
- To make the calibration of the battery you need to discharge and completely charge in turned off state the device at least 3 times
Here is one of the toughest parts, considering the long battery charging our phones. charging off-state means 4 hours of losing connection. and we need to do it 4 times. One discharge-charge cycle for a complete calibration system, as I understood , is not enough.
all the widgets and programs that can perform any action to in background must be disabled.
well, and then discharges our apparatus up to 95% in quiet mode, to give the battery a little bit cool, and eliminate trouble with 99-98-97% and you can begin testing.
2. Measurement tool. I would have chosen for this purpose, program or Battery Monitor Widget (she effects on discharging battery, but it writes logs, which can be tracked over time the battery status in percentage and millivolts) or JuicePlotter (don’t have logs. We have to extract data from the graphs that it constructs). JuicePlotter showed the best result in power consumption while the CPU time drain more than BatteryMonitorWidget - here's the first interesting fact. Now I’m testing these programs repeatedly to confirm this effect
3. In order to reduce measurement error the device must be discharged at least 20% of one test. or better at 30%. then + / -1% in the testing will not be particularly significant. That why testing process will be long and tedious.
4. In order to understand the power consumption of device in general, you should at least try to understand and share the power consumption of its individual components:
5. power consumption of the screen. For this purpose you can use the widget to extend controls, where you can turn the screen on constantly. And choose any standard wallpaper with middle brightness. we need to measure how much battery discharging for 3 hours the screen on. for small, medium and very high brightness, respectively. you can check consumption on the automatic brightness too. is believed that the turning on an automatic brightness strongly discharge the device..
6. power consumption of the file system. In the good we ought to write a program that creates a file in a loop on the internal flash drive, and anything he writes and deletes the file. Repeat the loop few thousand times to the total time was about 2-3 hours. but until there is no such a program, you can simply copy the file size of 2-3 gigabytes of internal memory with a program such as ES Explorer. In this case, the screen must be enabled to minimum brightness (since we already know how much the phone is discharged from simply turn on the screen) to control the copy process and accordingly the percentage of discharge.
7. Estimation of consumption of the processor. To do this, too, we can write a program that would do any arithmetic operations within an hour of time. But here we get the maximum load, therefore the maximum power of the processor. and it is unlikely it will be different from the firmware to the firmware . But our processor is also able to reduce the frequency and consequently reduce power consumption. And here I think there is much to improve the software. Therefore, must be differences from firmware to firmware. And the best test for this, I think, show any video on device, it loads processor to 30% on average (better view a videoconcert, so there isn’t quite boring) for one hour and thus measure how much discharge our batteries from this view .
8. Estimation of Wi-fi. Then the test can serve up any file copy from PC (connected through wires to an access point, so this segment was not the brakes) to our unit. Since the maximum speed that I managed to squeeze out of the standard N on my Captivate is 0,8 MB / sec I think copying the file size of 2GB will be enough to discharge our device is not less than 20% battery. copy can be perform using the same ES Explorer
9. Rated power consumption in standby mode. here it must enable the network only GSM. turn off the wi-fi and bluetooth. the screen went off and did not touch the machine for 8 hours. Better course would be 24 hours, but I think hardly anyone will be able to perform such a test
Actually look to you for your suggestions and additions, as can be realized by comparing energy consumption of our devices.
from the general collective thoughts we can open thread with algorithm, where you can write your test results according to the algorithm ... and make any conclusions.
Since we have better battery life on Android r169 version thanks to our devs i'm going to post tips n tricks for a even better battery life
1. Use "GSM auto (PRL) to save more juice while still connecting through 3G
- in the phone setting>wireless and network>MobileNetwork>NetworkMode
we are only allow to choose GSM only/ WCDMA / Auto between two
- but if you use type "*#*#4636#*#*" to phone Information, you can choose more type of networkmode. It is claimed that choose "GSM auto (PRL)" allow you to save more battery (cell standby) while allow you to connect to 3G network.
-there is one more setting which you can change:click settings(windows logo)>select radio band and change it according to your needs
- Please provide feedback on this. Thanks
2. Use AutoKiller Memory Optimizer
- This tool is different from other app killer
- It fine tunes android systems inner memory manager to keep your device fast over time.
- As a side effect it also lowers battery consumption.
- At certain free memory level (e.g. 250mb), the android os will automatically close those apps not in use (according to original android os logic)
3.Use Autostart
- Instead of closing them, it would be better if we don't let the app start from the begining
- You can choose to disable those app that u feel unnessary, so that they will not run during your phone startup
4. Check your Battery Consumption
- Download "Current Widget" or "battery monitoring widget" from market
- these apps will monitor your battery usage and recoded in a log file
- This is the normal consumption rate (varied across ROM, kernel and CPUI frequency and other factors)
credits:XDA
to be continued....
Tips
General Lithium-Ion Battery (LIB) Usage:
• Discharging your LIB fully (or less than 2.4 Volt per cell) is bad for the battery. Every time you do that, it can be said that small part of your battery (some cells) dies (they forever lose their charge). Do not store your batteries depleted, there's a high chance they will die completely or will become very "weak".
• You cannot restore bad LIBs by overloading/heating/praying. You gotta go buy a new one. They DO degrade overtime, some cells naturally lose the ability to gain/give electricity.
• Although it is said that LIBs do not have memory, it's not entirely true. LIBs have gauges that monitor performance of cells, and if you do a lot of small charges, it won't let those gauges to monitor a full battery potential, causing an invalid indication of charge level. A complete charge/discharge should be made when battery capacity seems reduced, that will calibrate gauges and they will provide your phone with correct charge level status. A full charge/discharge cycle should be done every 30 (or so) partial charges.
• LIBs have a shelf-life. Do not buy them to store them. Use them early, use them often, they will die whether you use them or not. Do not buy LIBs to use them in 6 months/year/etc, buy them right before actually using them.
• LIBs have short lives (in comparison to NiCa batteries, etc). You should expect to buy a new battery in 2-3 years after being manufactured. It is caused by internal oxidation and there's nothing you can do to stop or prevent that.
• Worst LIB treatment is to keep it at 100% charge level at high temperature (think laptop/phone under direct sunlight, like car dashboard).
• Best LIB treatment, or LIBs "favorite" charge level - 40%. That's also the usual charge level you buy them with.
• LIBs don't like heat. For example, while always at 100%, typical LIB in a laptop, at temperatures of 25C (77F) will lose 20% (twenty percent!) of full capacity per year. That capacity loss is reduced to 6% (six percent) at 0C (32F), and increased to 35% loss at 40C (104F). So, keep them cool (LIBs like fridges), don't let your devices sit in the sun or overheat at charge. Also, keep in mind that while in use, battery will be significantly hotter than phone/outside environment.
• LIBs like frequent partial charges/discharges more than they like full charges/discharges.
General Android power usage advice from google:
• Although this part is somewhat controversial, they do recommend having a complete, full FIRST charge to be made. If time allows, a preferred time for the first charge is 12 hours. This may have more to do with the OS than the battery.
• Battery on a Android device, in average, will last about a full day with normal use (some videos, mail, calls). That's what you should kind-of expect.
• Speaking in averages, "idling" 3G/EDGE connection (when phone is sleeping and no data is transferred through 3G), drains almost no energy. Just a little more than having 3G/EDGE radio off completely. So when no apps are using 3G, you don't need to keep it off.
• Same goes to WiFi connection - although it's on, if there is no data flowing through it, it uses almost no energy.
• At full throughput (100% data flow), EDGE is using more energy than 3G. In average, 3G is more energy-efficient than EDGE.
• WiFi is using more energy than 3G (when both are at 100% use), but since it transfers files much faster and then goes to "sleep", it's actually recommended to use WiFi whenever possible. Since it'll "sleep" more often than 3G, overall it will use much less battery than using 3G.
• Some bad apps or widgets can use android's "WakeLock", keeping CPU at 100%, screen always-on, or both. I myself have encountered such widget (I won't mention the name, it's in the market) that used a WakeLock to keep CPU spun-up at 100% all the time. That makes a huge impact on battery life. My advice - use a CPU profiling app to monitor the CPU - make sure that CPU slows down by itself when it's not used. So, beware of such widgets/apps. To check for CPU cycles, many recommend OSMonitor (free from market, install it, go to options, sort by "Load" in descending order. It'll give you "busiest" processes at the top). At rest you should be getting about 10-20% for OSMonitor itself, and 1-10% Android System. At rest, everything else should be 0-1%.
• Android slows down CPU when not in use by itself, as a built-in feature. Apps that throttle/change CPU frequency, are not necessarily needed.
Sources:
Wikipedia - http://en.wikipedia.org/wiki/Lithium-ion_battery
BatteryUniversity - http://www.batteryuniversity.com/parttwo-34.htm
Google IO Conference 2009 - http://www.youtube.com/watch?v=OUemfrKe65c
Electropaedia - http://www.mpoweruk.com/life.htm
this one too
this is very useful information, thx a lot!
Sorry Tzacapaca, but I do not understand where I have to type the code in order to have access to other network modes
Could you clarify?
THX
doublej4473 said:
Sorry Tzacapaca, but I do not understand where I have to type the code in order to have access to other network modes
Could you clarify?
THX
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Call this number with the phone dialer
Very good summary, thanks
I will definitely come back to read again and try in this way extend battery life.
Thnx, great tips to read !
Standard battery Capacity: 1200 mAh
HTC HD Mini have a standard battery Capacity: 1200 mAh.
When the battery loses capacity and you want to replace it, consider that there are batteries in the market for the HTC HD Mini with 1700 mAh Capacity, which would be logical to give a day or two extra pleasure
15MA1L said:
HTC HD Mini have a standard battery Capacity: 1200 mAh.
When the battery loses capacity and you want to replace it, consider that there are batteries in the market for the HTC HD Mini with 1700 mAh Capacity, which would be logical to give a day or two extra pleasure
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I still like and need my phone so I wouldn't trust those batteries
I would better get an emergency recharge which can charge my phone on the go
Edit: here is one http://www.phonesuit.com/primo-cube-battery-pack-for-android-phones/
hi how do i send a log to show my battery level? its draining way to fast,temperature is 38.8 is that normal?
with the battery moniter widget temperature is fluctuating from 35.5 to 38,stabilising to just over 35.0,also says 190mA in top left for battery indicater
BATFINK74 said:
hi how do i send a log to show my battery level? its draining way to fast,temperature is 38.8 is that normal?
with the battery moniter widget temperature is fluctuating from 35.5 to 38,stabilising to just over 35.0,also says 190mA in top left for battery indicater
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download current widget and enable log file,right now i have 32.5 C on 100% battery level
tzacapaca said:
download current widget and enable log file,right now i have 32.5 C on 100% battery level
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thanks dude,can i post log file results here?
BATFINK74 said:
thanks dude,can i post log file results here?
Click to expand...
Click to collapse
sure
...
battery history
hi heres my battery history,is there any clue in here as to why its draining so fast?
also upload current widget log
BATFINK74 said:
hi heres my battery history,is there any clue in here as to why its draining so fast?
also upload current widget log
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hi,tell me around when phone was in standby so i can figure out
anyway so far it looks bad :O
also i have some Q's :
do you have set brightness on auto in Android or on WM?
is it a fresh install of Android?
did you install apps after that?if yes,which?
do you have GPS on on droid or on wm?
With "CurrentWidget" you can also log applications which are running on background. Then it should be easier to find out cause of battery drain. Also don't forget to write about your current settings ...
tzacapaca said:
hi,tell me around when phone was in standby so i can figure out
anyway so far it looks bad :O
also i have some Q's :
do you have set brightness on auto in Android or on WM?
is it a fresh install of Android?
did you install apps after that?if yes,which?
do you have GPS on on droid or on wm?
Click to expand...
Click to collapse
hi thanks for replying
i have brightness turned down in android,havent touched in winmo
yes its a fresh install
iv installed angry birds rio,a 3d game,zedge,ebay and sky sports apps from market place
gprs is always on in both
my device is currently in sleep mode,will upload a fresh log to show results for sleep mode
For the nexus s 4G , just put brightness on low and turn of background data
Sent from my Nexus S 4G using XDA App
I have noticed on my OPO that the application "Battery Monitor Widget" doesn't appear to have access to accurate battery information, including the size and the recharge/discharge rate. Instead you have to configure it manually for the size and tell it to estimate the discharge/recharge rate. From a bit of testing, it doesn't even appear that the OS itself has a good view of the battery, where if you have enough applications drawing enough power, and not enough power feeding the phone, it won't even show as being connected to USB power, and it will estimate if it is on AC or USB power apparently based on how much the recharge rate is.
My first question is if anybody knows if this is a software only issue, where additional hardware support needs to come in an update. Alternatively, are there any other tools that allow accurate monitoring of power state? Thanks!
ebrandsberg said:
I have noticed on my OPO that the application "Battery Monitor Widget" doesn't appear to have access to accurate battery information, including the size and the recharge/discharge rate. Instead you have to configure it manually for the size and tell it to estimate the discharge/recharge rate. From a bit of testing, it doesn't even appear that the OS itself has a good view of the battery, where if you have enough applications drawing enough power, and not enough power feeding the phone, it won't even show as being connected to USB power, and it will estimate if it is on AC or USB power apparently based on how much the recharge rate is.
My first question is if anybody knows if this is a software only issue, where additional hardware support needs to come in an update. Alternatively, are there any other tools that allow accurate monitoring of power state? Thanks!
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Click to collapse
I noticed the same thing. Mah shows 0 usually. I was also looking for an alternative, but i guess an update will fix it.
Change the battery monitoring setting to reverse mA. You can also manually input the capacity of the battery.
Sent from my One using XDA Free mobile app
randaddy said:
Change the battery monitoring setting to reverse mA. You can also manually input the capacity of the battery.
Sent from my One using XDA Free mobile app
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It may just be at random, but when I set reverse mA, I found that the system wouldn't go into deep sleep while charging, which slowed down charging significantly. I'm also pondering what this actually means (the reverse mA) as this implies it has data that it is reversing in some way.
ebrandsberg said:
I have noticed on my OPO that the application "Battery Monitor Widget" doesn't appear to have access to accurate battery information, including the size and the recharge/discharge rate. Instead you have to configure it manually for the size and tell it to estimate the discharge/recharge rate. From a bit of testing, it doesn't even appear that the OS itself has a good view of the battery, where if you have enough applications drawing enough power, and not enough power feeding the phone, it won't even show as being connected to USB power, and it will estimate if it is on AC or USB power apparently based on how much the recharge rate is.
My first question is if anybody knows if this is a software only issue, where additional hardware support needs to come in an update. Alternatively, are there any other tools that allow accurate monitoring of power state? Thanks!
Click to expand...
Click to collapse
I heard that "Kitkat" has changed their policy so that any battery monitor apps have no any more rights to read the figure of battery information.
But, the solution, as per what i experience, is to download Xposed Installer, and then there is a module named "Enable BATTERY_STATS for KitKat", download and activate it. After that, any apps with battery monitor function can be executed sucessfully.
wskenting said:
I heard that "Kitkat" has changed their policy so that any battery monitor apps have no any more rights to read the figure of battery information.
But, the solution, as per what i experience, is to download Xposed Installer, and then there is a module named "Enable BATTERY_STATS for KitKat", download and activate it. After that, any apps with battery monitor function can be executed sucessfully.
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Click to collapse
As of the newest CM 11S build and battery monitor widget, it appears the issues have been resolved, and the battery data appears to be more accurate. This may require root however.
And there is a helper app which you need to install. As far as I recall
Send from OnePlus One using Tapatalk
Fast battery charging app gives you an easy way to charge your dead battery into working battery. There is often situation comes in your life when you need a quick battery charger and this app solves your battery charger problem. Best Application to test your charger is the genuine or fake charger.
Download Fast Battery Charging on Android
Plug and play the charger into the phone and this application will automatically start charging your dead cell battery into the super fast full battery.Tap on the optimize battery and it will automatically extend your battery life while removing unnecessary apps running in the background. The optimizing battery functionality will boost your battery life by stopping unwanted an application running the background.
The ultra-fast battery charging app lets you charge your battery in a just a couple of minutes.
This application is best android battery charging application to charge your dead battery into the full battery.You can increase the battery extended life while closing all unwanted application likes wifi Bluetooth, mobile data, Brightness, Rotation mode, profile setting and timeout setting. Fix you low battery issue with this ultimate super battery charging application.
Now you can check your charger is working at the high voltage or not. Just plug the battery into the phone and check in the application the total voltage your phone is receiving.
Best application to test your charger is genuine or not.
Note: Some of the images are taken from pixabay and they give rights to use for commercial use of these images.
Wrong place for fake apps. We're not your demographic. My grandpa's Facebook may go for it, though.
Hello,
I used AccuBaterry App to see my devices wear level, it was like 30%. So I made a original battery replacement myself, I still have 22% battery wear. It cannot be possible, the battery produces in 2017 and was new.
3C Battery Widgets suggest %26 battery wear.
It drives me crazy, maybe my first battery were also okay. Has anyone idea?
Thank you and sorry for my English.
Where did you get the replacement battery? Thanks.
From an eBay Plus shop, best-4-me, he sold it over 200 times.
1. Clear data / cache of accubattery to remove old battery stats
2. eBay 99% of the time sell fakes, especially batteries
3. Dial *#0228# press Quick Start > Connect charger > Turn off phone > Charge to 100% > Power on phone
--
My bet, fake battery
According to this method from reddit, the new battery has 8% battery wear:
"Ever wonder how much did your battery degraded?
Try this.
Download es file explorer( or any file viewer that can read system file)
Go to root.
Sys -- class --- power supply --- battery
Scroll down to the fg_fullcapnom & Fg_cycle
Open with es note viewer ( or any text viewer)
Fg_ fullcapnom - the number X 2 , Times 2(if you are android 7.0) . That Is your current battery capacity in mAh.
Fg_cycle - to see the charging cycle."