Database Develop

Diamond consumes a lot of power

Hi there,
just a short question. I've update my Diamond to the naked version of the official 2.03 ROM (can be found around here) and the radio 1.09.something (that quad band radio with supposedly good battery life and gps reception).
After a clean hard reset I only installed powerguard to measure the drain as a reference (so I can compare what installations of some programs might do).
I was shocked to see that the drain was 167mA out of the box with 3G already disabled, no WiFi or anything running. Is that normal? The auto brightness kept the level at around 5/10.
I was able to bring it down to 64 by disableing auto brightness and lowering the level to 2/10.
When the brightness dimms completely I get 53mA.
Are those values that are normal for a Diamond? Those 60-70mA with lower brightness would at least give you some time to work with the device but at ~170mA the battery drains like nothing and would be flat in less then 8 hours (the 1340 battery that is). You don't work with the device constantly but the drain out of the box shocked my quite a bit.

Yes, thats our beloved Diamond alright.

Well, around 60-80mA are workable and much better than the close to 200mA out of the box. But I wonder where HTC got the claim for stanby usage from. Standby (with display off, just sleeping away there) my Diamond consumes 15mA. Using the standard 900mA battery would keep the Diamond on the net for 60hours. Using the 1340mA battery this increases somewhat to 90hours.
The official claims are in the 300+hour range though for phone standby times. That would mean that the drain would be as low as 3mA. Where on earth did HTC measure that???
The 1340mA battery should give me 2 days of Diamond before needing to charge (mainly standby, some data tranfer, little WiFi and GPS) and that's not much worse than my old Eten X500 was able to do with its 1500mA battery.

with extended battery and 3g off, i am able to get a weeks (7 days) worth of odd phone calls, a fairshare of txt messaging, a little bit of gprs, no gps. If i turn the 3g on the extended battery lasts around 3days with a fair bit of usage.
I think its just the phone, no matter what powersettings you have its just power hungry. I went through many different power settings, roms etc to finally find something not as hungry and what free'd up ram

Lets do some math here -> 7 days would mean roughly 160 hours. With the extended battery (we're talking about the 1340 one do we) you're average drain would have to be as low as 8-9mA - including the spikes when you do some work. I think that's highly unlikely given the fact that the diamond usually does never fall below 10mA just sitting there on standby. Usually I see values of 12-15mA during that state.
Doeing work once in a while and making some calls, I'd say my average would be around 30 giving me barely two days of usage.
I simply rely on the base 900mA battery as backup so far. It's light to carry around and when my 1340mA one is done I quickly change them and get another couple of good hours. At home I recharge both. Battery changing is done very quickly on the diamond and the rubberdized back of the 1340mA set holds the stock 900mA just as well (so I don't have to carry around two back covers). This way the 900mA stock one also gets trained and does not sit idle in the case degenerating over time.
And since the 1340s are relatively cheap atm (I paid 25 Euros for one including the back cover) I may end up simply getting another one of those. Those two and the stock would get me through the work week and on weekends it's recharging time.
I can't really remember how the old phones did it. My first mobiles would last two weeks on standby and my first Qtek would achieve 1 week. They did not have larger batteries did they?
The Diamond is not particularly power hungry though. I ran some test on the HP messenger (914C that was) of my coworker today and this one has a large battery (close to 1900mA as far as I remember) but struggles just as much to get through two days, maybe even more so then the Diamond as the 914C seems to drain even worse. And the oh-so-hip iPhone 3G (we have three guys at work with those) barely gets through a single day. Those poor souls always carry a charger. Guess modern devices are just hungry for electrons.
Another question is about the "training" of the battery. The usual consensus is that the battery need a couple of cycles to reach its potential. But who does this work mathematically/electronically? The drain values don't get lower as they are system depentend and the battery does not generate more capacity then the 900mA or 1340mA. So where does the extra runtime come from???

Some more observations...
1.) There has to be something wrong with the PowerGuard app. Either the measurements are rubbish or the Diamonds can fall into some sort of deep sleep when not used for a longer time that PowerGuard is not aware of.
I recharded my 1340mA yesterday morning (that was over ~40hours ago). I used it through two full working days now with normal usage for me (2-3 shorter phone calls a day, some download using Edge and some WiFi and some 15min of GPS each day). Now I'm at 40% battery. That would even get me a third day of usage like I need.
Not sure if the power drains measured by PowerGuard are higher than reality or if the Diamond goes into some sort of deep sleep when not used for a longer time with even lower drainage then the 12mA.
Whatever I'm quite happy to see that the 1340mA will give me two full days of heavy usage (for my standards) or three days of standard usage.
2.) The Diamond drain is relatively good compared to other devices. We did some more tests today at work and especially the HP models drain their battery much faster resulting in shorter life then the Diamond - and they have 1900mA batteries.
We did equal tasks on the devices and the "drop per task" on the Diamond was better then on comparable modern devices. Some older ones are way better though including older HTC models that some of us still use.

Poor Battery Performance

I have had my Galaxy S for a bit over a week now and am pretty disappointed with the battery performance. Most days I take my battery off the charger at 7am and it reaches 15% low battery warning by 1-2pm. I do spend a fair amount of time reading XDA and listening to music. I'm currently running Stock JM1 firmware with no lagfixes.
Here's a list of my apps that I have installed:
http://www.appbrain.com/user/Lokhor/apps-on-the-samsung-galaxy-s
I am running JuiceDefender which I thought would make a big difference and does not. I have also set Tasker to change the Brightness level to 20 (below the safety threshold) when the battery reaches 50% or below, otherwise the brightness is at the minimum (30%).
I have heard that you need to condition the battery so I have been trying to do this but it doesn't seem to have had much effect. Today I used my phone only casually and it's currently at 22% after 12.5 hours. The battery use details show the following:
Display at 56% being on for 2h22m and 13s.
Cell Standby 18% Time on 9h21m, time without signal 13%
Phone Idle 7% Time on 7h33m
Android System 5% CPU usage 23m39s CPU foreground 24s
Android OS 3% CPU Usage 13m 27s
Is this normal? Is there anything I'm doing wrong?
Please help

I don't know what others are telling you about conditioning a LiIon battery but you don't have to. LiIon batteries don't suffer from what NiCad do. Some do suggest wearing the battery down to nil and then charging it up again. However, this is pretty bad for the battery and should not be done more than once every 30 cycles. With every LiIon battery I've ever owned I've either trickle charged it or charged it when it wasn't too low and they've all lasted over 3 years. I've never conditioned one.
Anyway, my advice to you is to see how long your battery lasts in standby. Mine could probably last 3 days or more if I don't bother it too much (with sync, wifi and all that good stuff). I find the worst contender for battery drain is the display. The only problem I see with your stats there is that I've played Asphalt5 for around an hour and a half which is quite heavy on juice and it only drains roughly 10%-15%. Then again you're browsing the web so maybe probably worse.

Oh, and when charging your phone, don't use the USB hooked up to a computer as it doesn't stop charging when it's full. Use the wall charger to charge.

no need to worry more
just get this http://forum.xda-developers.com/showthread.php?t=733705
lokhor said:
I have had my Galaxy S for a bit over a week now and am pretty disappointed with the battery performance. Most days I take my battery off the charger at 7am and it reaches 15% low battery warning by 1-2pm. I do spend a fair amount of time reading XDA and listening to music. I'm currently running Stock JM1 firmware with no lagfixes.
Here's a list of my apps that I have installed:
http://www.appbrain.com/user/Lokhor/apps-on-the-samsung-galaxy-s
I am running JuiceDefender which I thought would make a big difference and does not. I have also set Tasker to change the Brightness level to 20 (below the safety threshold) when the battery reaches 50% or below, otherwise the brightness is at the minimum (30%).
I have heard that you need to condition the battery so I have been trying to do this but it doesn't seem to have had much effect. Today I used my phone only casually and it's currently at 22% after 12.5 hours. The battery use details show the following:
Display at 56% being on for 2h22m and 13s.
Cell Standby 18% Time on 9h21m, time without signal 13%
Phone Idle 7% Time on 7h33m
Android System 5% CPU usage 23m39s CPU foreground 24s
Android OS 3% CPU Usage 13m 27s
Is this normal? Is there anything I'm doing wrong?
Please help
Click to expand...
Click to collapse

I found that charging it whenever it was convenient instead of when it was low would result in a charge that lasted ~24 hours.
I've noticed significant increase in battery life since I started waiting for the 15% charge warning, plugging it in till it was full and then unplugging it. I get 2-3 days of use this way.
I also set my email to only sync between 6 AM and 11 PM. I believe this helps a lot as well.

since we are about this topic, check this out
How to spot fake battery vs. OEM battery: http://forum.xda-developers.com/showthread.php?p=7953322

so if I'm listening to music during the day at work should I have my phone plugged into the wall charger or just let the battery run down?
Last night I took the charger off at midnight when it was full and when I woke up it had only dropped 5%. After reading my emails quickly it was at 93%.

it works fine either way
read this
http://forum.xda-developers.com/showthread.php?t=769208

I find leaving the brightness on automatic uses up loads of battery. Setting it to lowest seems to make the phone last 24hrs+
I also found that having beautiful widgets clock/weather installed used up a lot of battery for some reason.

I don't use weather because it has to sync every so often to update it which to me is a waste...I'll just look outside. I also leave brightness on the lowest setting wherever I am as the screen is already very bright (why waste battery?).

My experiences with my SGS have taught me to be conservative with its battery. Anytime you turn the screen on, you eat power like crazy. The best bet is to just top her off whenever the need arises. Personally, I have found that I'm fine just topping her off in the car when I'm driving, so that I start my work day at high 90's, and especially once I've got my morning browsing out of the way, I don't eat a big chunk of battery at any other time.
But yes, if you find you are running low, you can happily just take a half hour to charge from a USB port to give you an extra boost. Alternatively, spare batteries and so forth do the same thing, although it can be annoying if you don't have a charger that will do the phone and a spare battery at once.

im experimenting with apndroid now to turn of 3g then i dont specifacly need it. It comes with an on/off widget. Looks promising so far. 40% at 2300 hour and then i have used wifi a bit, played angry birds and talked for about 2 hours in total.

Battery drains fast!

We in the field in the army have no place to recharge the battery, so i have a second spare. After the first battery out, second battery i should calibrate or simply change it? Milestone generally maded to hot replace the battery? Second question: The battery is terribly wasted when data using. when browsing in the internet in dolphin 6.1. Even if 2g on and i in im+ messenger. A couple of sites get away even 1%-2%. An hour in nonstop browsing can drain 60%. YouTube has to look at all when the phone charging for viewing video over a length of 5 minutes, eats about 6% of charge. And i bought a new battery yesterday. And with the same old time of discharge. New battery calibrated. And tried to change the firmware on froyomod same. Right now sitting on the cyan 7 and the same flow rate. Last DSIfix 2..34.
PS. When data off - phone not using too much 2-3% when talking half hour. In the night can drain 3%.

You better calibrate the new battery after the new one charged to 100%

It calibrated already. Same ****.

I got same problem with my MS. Maybe it's high time to change to a new phone

Dieabolo,
What settings do you use for your display, your current frequencies with vsel, are you using this phone in areas with great reception, do you have programs that ate always updating running (Facebook, twitter, weather apps, Widgets, news /sports apps) ?
Also I do like dolphin HD but try the opera mobile browser it'll help by compressing data so therefore less data transferred which ends up with less power being consumed.
~PsyCl0ne
Sent from my Milestone using XDA App

dieabolo said:
We in the field in the army have no place to recharge the battery, so i have a second spare. After the first battery out, second battery i should calibrate or simply change it? Milestone generally maded to hot replace the battery? Second question: The battery is terribly wasted when data using. when browsing in the internet in dolphin 6.1. Even if 2g on and i in im+ messenger. A couple of sites get away even 1%-2%. An hour in nonstop browsing can drain 60%. YouTube has to look at all when the phone charging for viewing video over a length of 5 minutes, eats about 6% of charge. And i bought a new battery yesterday. And with the same old time of discharge. New battery calibrated. And tried to change the firmware on froyomod same. Right now sitting on the cyan 7 and the same flow rate. Last DSIfix 2..34.
PS. When data off - phone not using too much 2-3% when talking half hour. In the night can drain 3%.
Click to expand...
Click to collapse
i know for a fact, because ive tested it, that i can pull 11+ hours out of my droid. what you need to do is port MIUI to it, then get a lowvoltage overclocking kernal on it. i have a kernal that is 18 slot, and it can run stable at 220 mhz/1.26 ghz on userspace. run it at 220 mhz/900 mhz. if you clock it lower, then the battery life will decrease because it has to deal with a larger load, therefore, giving you battery heat damage, which means no more battery for you! i found that if i run the hight at 900 mhz, then it will have a chance to deal with all of the load. if you put it at 1.0 ghz, then it will ahve the same effect, but if your going to game with the droid, then i would put it at 1.06 ghz. my phone specs: OG droid, OC to 220 mhz/1.0 ghz, running MIUI 108050 on android 2.3.4. have fun!

Two things I would recommend would be to perhaps try a low voltage kernel, and to make sure you don't have any battery-intensive apps running in the background (Ebay, Lookout, etc.). You can check this by going to Settings > Applications > Running Services and seeing which programs are running.
Also if you set profiles withing SetCPU or another similar app, you can have the kernel drop to a lower speed when your screen is off or when the battery drops below a certain percentage. Doing these things should help you save some juice.
EDIT: I just read on another thread that the milestone has a locked bootloader, meaning you can't change the kernel. If this is indeed true, that sucks.

I calibrate my battery with this method:
1. Plug the charger in the phone, and charge at 100%
2. Delete /data/system/batterystats.bin using Terminal emulator or whatever tool
3. Restart the phone, and when it start to boot, and before the soft keys shine take off the battery.
4. The phone will run without battery, after a few minutes (2-5) put the battery in.
5. Left the phone charge for another 30 minutes...
But with CM7 for Mileston RC13 my radio don't work, and I have to restart it again to have phonee signal.

Any App to monitor Battery Current ?

Checked Android market. There appears to be no app to monitor
and display the current consumption.
Most apps show power remaining in the battery in percentage format.
Not much use. Its a crude approximation. Because idle current
is a good indicator of the overall device status.
Showing the current consumption is more useful because
it shows up abnormalities if any. Some apps just kick in the
CPU into extra drive and the current consumption goes up very high
( 600 mA or more ) and the phone starts to heat up fast.
Besides heavy current drain is also harmful for the battery as well as the phone
components.
The ideal Battery current drain app should show the current consumption
( idle mode ) in mA, in real time or every 15 seconds or so, with the display
changing colors to highlight high current drain.
Normally as the battery voltage goes lower ( depending on usage time ), the
idle current drain would be higher because the internal inverter driver will draw more
current to maintain constant voltage supply to the CPU and display.
This is normal.
Whereas when the battery is fully charged , the actual idle current would be
the true indicator of the idle current of the device. Hence an elapsed time
display ( in hours, minutes ) after the battery is fully charged would be
an additional help.

DAMN
Sent from my LG-P880 using xda app-developers app

Battery Monitor Widget https://play.google.com/store/apps/details?id=ccc71.bmw&hl=pl

Hello Gentlemen!
Im new to here and welcome all..
After one week communion with my new 4xHD I have a real problem with the battery. First days it works perfect - when I didnt touch my phone, it consumes a minimum (through the night ~5-10%)... Of course when I was doing something intensive battery is sucked totally out. Then I've decided to optimize it a little, I install quandgearbox 4xhd (according to the recommendations here), then battery monitor widget... and in the first hours all was nice - flat consumption battery chart (night consumption fell to ~3%)...
and suddenly, I have no fcuking idea what I did, but I did it indeed.... battery is killed in ~6-7 hours totally... Ive checked all background processes, any suspicious apps, clicked on optimize in android assistant, restarted phone.. and I dont know what should/can I do more..
advice me something please...
Warm regards,
Daniel

ok guys, I've found the culprit... quadGearBox has some bug - even if you see "eco mode" checked - it does not ensure you that is in fact.
So the last day my 4xhd remained in quad-core mode all the time. I can verify it by antutu for example - in true "eco mode" there is about ~9500 points, in full quad-core mode I reach ~14200 score.
I've reinstalled it, restarted and all looks nice now.
Regards,
Daniel

[Q] 4 hour battery life on heavy non gaming usage

i am getting 4 hours tops of batterylife on my z1
i have maximum brightness auto turned off i have wifi and bluetooth off
i have a live wallpaper
i have skype steam running in the back
it takes 2 hours for it to drop to 50 and 4 hours to 0 from full charge on pretty much full on screen time
is this normal even on that kind of heavy usage

I would recommend using wakelock detector to see what's really soaking up your battery. It's a free application and it's pretty self explanatory. Charge up your phone and use it heavily again and report back to us with your findings through wake lock detector.
Sent from my Nexus 7 using xda app-developers app

Have push mail on ? My phone was empty very quick before the update .257 but now its much better.
I think if you mean with 4 hours onscreen it is normal otherwise it is not.
Use wakelock detector already mentioned

4 hours on screen time with full brightness sounds reasonable. I can play heavy games for about 3,5 to 4 hours with medium display brightness.
Always keep in mind that the display is the biggest power consumer in modern Smartphones.

OfficerTux said:
4 hours on screen time with full brightness sounds reasonable. I can play heavy games for about 3,5 to 4 hours with medium display brightness.
Always keep in mind that the display is the biggest power consumer in modern Smartphones.
Click to expand...
Click to collapse
so the battery really is that bad?
using stamina it drops 20 or so % during the night

Actually the battery with its 3000 mAh is gigantic. And I think 4 Hours of heavy usage with full brightness is ok.
20% over night with STAMINA mode is too much though.

OfficerTux said:
Actually the battery with its 3000 mAh is gigantic. And I think 4 Hours of heavy usage with full brightness is ok.
20% over night with STAMINA mode is too much though.
Click to expand...
Click to collapse
i have steam and skype whitlisted in stamina
really dissapointed in the battery life then
i guess theres no such thing as a full day of usage then
is there any smartphone that can handle that?

Do you actively use your phone all day (screen on all the time)?
With medium usage (WhatsApp, Surfing, Some calls) I can go for at least one, maybe two days.

I slept for 10 hours and my battery drained 9% with wifi and GSM on from full charge. your using the stock charger right? charging faster then recommended will reduce the life of the battery and can cause this kind of issue, but the phone is so new i wouldn't expect that to be the cause. I know the stock charger 1.5A. With a 2A charger it is likely the phone will charge at 2A.
Its probably a software related issue your having, but 20% overnight seems like a lot..

crusnikmachine said:
I slept for 10 hours and my battery drained 9% with wifi and GSM on from full charge. your using the stock charger right? charging faster then recommended will reduce the life of the battery and can cause this kind of issue, but the phone is so new i wouldn't expect that to be the cause. I know the stock charger 1.5A. With a 2A charger it is likely the phone will charge at 2A.
Its probably a software related issue your having, but 20% overnight seems like a lot..
Click to expand...
Click to collapse
i use the dock charger

zzcool said:
i use the dock charger
Click to expand...
Click to collapse
I would something is hitting your phone for wakelocks. 20% over night is a bit high. I know google currents is a know offender so uncheck that if you have it syncing. Try turning off google location access. Turn off gps and nfc. Using you phone at max brightness will always be very draining, leave on on auto unless your outside in daylight or in the car. Facebook is also bad for wakelocks. Any app that is polling for updates will be hard on battery. My experience has been a much improved battery life over my previous devices. On an average work day I leave at 8 and get home at 430, and I usually have 70-75 % by bedtime usually around 30%. I leave most my apps syncing all the time as well. I know the phone is new to you so I would say you might be playing with it more than you normally would.

zzcool said:
i have steam and skype whitlisted in stamina
really dissapointed in the battery life then
i guess theres no such thing as a full day of usage then
is there any smartphone that can handle that?
Click to expand...
Click to collapse
I suspect that steam / skype will be preventing the phone from ever going to sleep.
I would suggest capping the max frequency of the cpu to quite slow or setting the governer to a conservative level (an app could be forcing the cpu to stay at a high frequency most of the time which will just drain the battery in no time)
However this usually requires a custom kernal or at least root which isn't very well developed on the Z1 yet.
If you can run a wakelock program that also logs the time spent at each cpu speed ... that would help people help you ...
As for any phone being able to handle it, unlikely the battery is relatively large but so is the screen, most phablets have only a fractionally bigger battery.
Only a full blown tablet will get you a much bigger battery that might be able to last you twice as long.
I typically go 3-4 days between charges on the .257 firmware without stamina mode and paired to a smartwatch 2.
I used to get 3 days on the 534 firmware with stamina mode! (i work in an area of very weak signal so i get 25% no signal time over a battery charge)