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Hi Guys,
I was wondering why Android on HD2 eat up so much battery. Earlier I was thinking, that android is running of SD card...so its the case. However this is not true as in Android HD2 NAND thread its been mentioned many times...that battery won't increase significantly even after NAND install of Android, so where lies the problem...is it because power management drivers on hd2 android not good enough...just curious?
Regards
There must be a problem with your android build or you are not properly managing your battery life. To enjoy good battery life you need to disable radios via power control, and keep screen brightness low.
Current widget tells me that in standby my hd2 uses 3-7 mA. This draw is fine when compared to similar android devices.
Please provide some details on your build and your reading from current widget.
I think he was asking about how much the HD2 life in android is shorter when compared to WM6.X
If this is the case, this has much to do IMHO about how Android works in its innards.
The Android OS has a way of controlling the apps installed in it, to know which apps do which kind of stuff. Like, when a new app is installed it has a file that tells the OS all features it does, and which of those features can be called by other programs (an example is the gallery 3d, that can be used to open pictures of certain types, every time a file that it can open is accessed android asks [if you have more than one type of gallery] which app you want to use to open the picture).
With this kind of control being done by the system in real time in a way totally different from windows (register??) the OS probably need more awake time and probably use more battery.
With the same amount of time spent using similar stuff in windows mobile and android, WM really rulez in terms of Battery Life. BUT I really prefer the new life Android is giving me in HD2. I'm really happy again, feeling like I have a brand new toy again.
P.S: I'm oversimplifying the way this works, without even mentioning the services, widget services, and several other stuff that are running in the background all the time.
i get about the same battery life in winmo n androud. make sure u have a good radio n compatible rom.
mini_robot said:
i get about the same battery life in winmo n androud. make sure u have a good radio n compatible rom.
Click to expand...
Click to collapse
People always say those things...
Well, let me just say that I'm using one of the best combos out there, and yes I have tested almost all combos you can imagine by my self in my own phone, so I wouldn't rely on someone else's idea of a perfect combo.
Tested more than 10 roms (the list is long so, I wont bother saying all of them, but the most used ones are there, Chucky, Miri's, VBNrom, Dutty's, and several others.
About radio... 2.10, 2.11, 2.12 and now 2.14 I have used all of them too and combined them with each rom...
Right now the best combo FOR MY PHONE and in my opinion is VBN 3.14 and radio 2.14
Multi boot, autoboot android 6sec.
I really think that what is most important is the build, with the same builds, almost all WM roms made for android, and Miri, have the same effect for me, the radios I must say that 2.12 and 2.14 are the best, and 2.14 has better reception in my country, for me.
So, as I have said, FOR ME, the best combo is resumed to VBN 3.14, radio 2.14 and any android build, right now using Desire HD 3.1 from Mdeejay with several different kernells (still testing them)
The kernels and the build are the MOST important thing after you find a good combo.
With the best build/combo and a good WM rom, doing similar things (surfing the net for the same amount of time, phone in sleep mode for the same amount of time,same time talking and etc. the best battery life is surely for WM 6.X hands down.
BUT if you are really getting the same Bat life, you are a lucky guy keep the settings you have, because I must say that I have constantly near me 5 HD2 (from friends), all of them with android now, and every single guy says that the bat life is nowhere near WM 6.x
I could go a full day in WM6.5.3 and have 50-40% remaining in the end of a day with heavy usage. Android, with moderate to heavy use, I'm happy if I can reach the end of the day, and even happier with some bat left
Greetings, Santroph.
I agree battery life is not comparable to WM6.x. People who claim they get the same battery life most likely have a buggered up WM6.x setup or they don't know how to manage power/settings.
Which App are you using to monitor power consumption?
Currently I use PowerTutor.
One time I wondered how 30% of power were lost over night?!
So battery lasts maximum one day until it's empty.
On WM 6.5 it lasts for about 2 days, like santroph already said, too.
A friend of me told me, his HTC Desire has about 80% in the evening. Do they have a better battery?
In usage I have about 540-600mW
He has got 550-650mW
So seems the same power consumption.
Regards
----
HD2
I actually get around the same amount of battery life as well. Just running the stock Froyostone 2.1 without tweaks (don't even know how to do tweaks if my life depended on it). Current Widget shows 0mA when waken up from screen off and hovers at 3-4mA with screen on and idle. Battery drop 1-2% per hour over night.
polo735 said:
There must be a problem with your android build or you are not properly managing your battery life. To enjoy good battery life you need to disable radios via power control, and keep screen brightness low.
Current widget tells me that in standby my hd2 uses 3-7 mA. This draw is fine when compared to similar android devices.
Please provide some details on your build and your reading from current widget.
Click to expand...
Click to collapse
I have TMO US HD2 and I'm using NRGZ 21916 18Sep ROM with 2.14 radio. For android I'm using pongster's HyperDroidSense V1.1. I'm using only 2 widgets HTC Analog clock and Weather channel. I have set the screen brightness on automatic and to tell u its quite dull, not at all bright. I've also disabled all Background sync's and no WiFi or bluetooth is enabled...
I do like to fiddle with my phone every now and then...but its not heavy use, I would say its moderate.
Battery life i'm getting is by the end of day, the battery is drained and have to recharge.
Before this android ROM i tried warrenb213 CM6 9/6V1.5a which is claimed by some user's to give best battery life on TMO HD2. Its stock android rom with CyanogenMod...battery life was little better, but it was slow and it didn't had instant wakeup...it took 2-3 seconds after pressing the button to wake...and personally I prefer HTC Sense UI to stock...
On WinMo my phone easily last 2 days with some battery % (about 20-30) left and can easily give me third day too with light use on 3rd day. And by no means i'm using a minimalist WinMo setup...I have CHT v1.8.5 and the same analog clock with seconds hand enabled.
So battery life on Android << that on Winmo. About the argument that Android uses more battery due to how its build. I don't think its the reason, because HTC's other phone like Desire or Desire HD have the same 1230mAh battery and have similar specs...but there battery life is similar what HD2 gives on WinMo.
Also, you must bear in mind that comparing the HD2 to the desire with battery life, the desire is obviously going to win. The desire has been made by HTC to run Android, unlike the HD2. The desire does have a slightly larger battery (i think) but the desire has been optimized by HTC so that it uses the least amount of battery possible I.e when in standby etc.
I don't know all the specifics but this is what I've found out
Hope this helps
Sent from my HTC Desire using XDA App
^^ya, i do understand...but to me its happening like battery life on hd2 w/ android is like 15 hours from 7am in morning to 10pm in night....WinMo give easily gives like 50-60hours depending on use...desire has similar as i've heard...
Agreed not optimized, but I expect it to give 40hours with full charge?
It is not optimized I guess? I get 6-7 hrs on winmo but 5-6 on android.
We can't compare with Desire, even if the hardware are really similar when looking at CPU/GPU, RAM, radio and stuff like that, we have e HUGE NORMAL LCD screen, that really takes way much more battery than Desire's Smaller Amoled screen.
Recent tests have shown that the new desire with Super LCD (thats way better than ours) do waste more energy than the AMOLED one (despite what HTC has to say about it).
I think that we should compare it with our own phones with WM, and probably with the new Desire HD or Evo 4, which have the same Case/Screen and very similar hardware too (despite Evo beeing CDMA).
IMHO...
P.S: People say that the SD card doesn't have anything to do with the battery drain, and that nand should be the same. Well I can say that this IS and IS NOT true... It all depends on which card are you using. I have 4 MicroSD cards, and they all have different behavior with the same combo/build/kernel/battery, even when in sleep mode with everything else (connections and all) disabled.
I have used WatchDog to see if any program was strangely making this happen, and I didn't find anything at all different when the Hungry SDcard was using that much battery, it was all it's fault.
2GB class 4 -> 5-7ma stable
16gb class 2 -> 3-7ma stable
8gb class 2 -> 5-9ma stable
8gb class 6 -> 5-80ma not stable (can be ina 5-7ma for hours and suddenly be in more than one hour in 40-80ma)
I prefer to use the 16gb class 2 for more battery, since the performance is not that better with the class 6 in android.
I've tested this a lot, and retested.
Greetings, Santroph.
I think that the HD2 battery is shortened by the display (Samsung Vibrant is awesomer in that respect) as well as the processor. If I throttle the processor down to 384mhz and keep the screen at 33% (automatic backlit) then I can get pretty decent battery life from 15-24 hours?
Hey guys. I'm a bit new to this, and I have a few questions. 1. Does having a faster microsdcard worsen the battery life of android running on an hd2? 2. With set CPU clocked back to 576 MHz Max 245 min, and all the settings toned back, I barely make it through a days use on my nexus one 2.2 build. Is this normal? Does battery vary greatly from build to build? Is there a build known for good battery life?
Sent from my Hd2 using XDA App
Android builds will always use much more power than WinMo, reverse engineering the drivers is not ideal nor efficient. Some builds use less power than others, best try a few with the current widget installed.
This is a thread on SD card power, I'm not sure it makes a huge difference. If you check the power usage app you will the OS is using 2 or 3 times the power that the screen is - this isn't good for battery life.
Hi lads, iam new to this myself I got my hd2 about 2 weeks ago and havnt had out of my hand since.. the only changes I have made was download hspl3 & flash radio 2.14 and I am currently running darkstones froyo 2.2 and I love it.. the only prob I had for my self was battery it was eating it.. when screen was off I was getting around 168ma and using phone was was up to about 600ma.. after about a week of searching I found out a few things and now I get a full day wit heavy usage. I downloaded setcpu,advanced task killer,green power free,changed a few settings on my phone and now I have a battery tats just as good as running WM.. ill get the exact settings up for u later if u want... hope it helps
after doing a task29, i loaded "vbn reloaded" (minimal winmo rom) ;
use EBL android loader and load mdeejay EvoSense 2.0 revolution ;
using "currentwidget" my battery usage is only 7mA idle with four email
accounts getting updated in the background.
Been using android as the (only) daily OS
z
ps just did a rm /data/system/batterystats.bin
need to see if it charges to "100%"
if only battery usage GOES DOWN WHILE ACTUALLY USING ANDROID,
that would be penultimate
(ultimate obviously is NAND boot )
skimask2006 said:
Hi lads, iam new to this myself I got my hd2 about 2 weeks ago and havnt had out of my hand since.. the only changes I have made was download hspl3 & flash radio 2.14 and I am currently running darkstones froyo 2.2 and I love it.. the only prob I had for my self was battery it was eating it.. when screen was off I was getting around 168ma and using phone was was up to about 600ma.. after about a week of searching I found out a few things and now I get a full day wit heavy usage. I downloaded setcpu,advanced task killer,green power free,changed a few settings on my phone and now I have a battery tats just as good as running WM.. ill get the exact settings up for u later if u want... hope it helps
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I would love to know what your settings are, after 3 hours lite use i lost 45% battery, my gps is off and background update is also off....
2.12.50.xxxx radio.img
it has a lot to do with radi youre using, i found this one really good, have good bttery life, 3g, hdspa, wifi, gps, mms and all working really good...
Hello to all, iam using the android shubcraft version on my hd2 and i cant charge my device 100%. It stops on 85%. Did you guys have an idea??
Sent from my HTC HD2 using XDA App
I've been testing 2 different batteries fully charged with phone off. Using current widget they get the same readings about 7ma with screen off and average 200 on. One battery drains at about twice the rate of the other. Im pretty sure one is defective. I've cycled both to make sure. Also running on wm I get the same experience. If your lucky enough to catch a battery problem in the first 3 months of purchase from t-mobile they may send you another like they did for me.
Sent from my HTC HD2 using XDA App
heres a good thread on conditioning the battery
http://forum.xda-developers.com/showthread.php?t=827355
as far as sd card speed, a faster card will use less system rescources due to faster read/write speeds, ie: the cpu is under less load for a shorter period of time.
faster io performance = better battery life.
side note, underclocking to far will hurt battery life. this is due to it takeing longer to complete tasks. so if your like me and do a lot of turn the screen on, check some thing , turn it off, then the longer the screen's on the more your draining it.
I've been running Android on my HD2 since it all started up. It's been great recently with up to 2 days of useage without a charge. The phone started randomly rebooting and HTC replaced the motherboard saying the last one was faulty.
Got the phone back, HSPL 3'd it, changed to the Android VBNRom and using an MDeejay build with the M4 kernel and the battery only lasts around 12 hours?!
The set up as far as I can see is identical.
Any ideas?
try MDJ S3 or S3.1, some people experience poor battery life with S4
birdra said:
try MDJ S3 or S3.1, some people experience poor battery life with S4
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Thanks, but I've tried all of them and various hastarain kernel's too. Stupid device!
jonboyuk said:
Thanks, but I've tried all of them and various hastarain kernel's too. Stupid device!
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Click to collapse
Hastarins 8.2 kernel? That should be OK, that one fixed my battery issues. If not, have you got SetCPU installed with the profiles set up?
I'm running darkstone v3 as my first HD2 rom ever.. I love this phone. But I have extremely terrible battery life. I could try another rom. Ill probably do that next.
I unplug around 9:20am. Head to work and when I get off around 5:30-6 my nexus one usually was sitting around 70-80% usually closer to 80%. But my HD2 so far after the same shift with minimal use is sitting with like 36% or 39% today.. that's a large large difference. I'm wondering if anyone has suggestions or ideas. I'm doing a battery drain, battery stats wipe tonight. Hopefully that will help.
I'm using Mdeejay rEVOlution 2.3 ROM. 'Android System' is using 58% of my battery, Chucky lite ROM with most of the WM settings off, and Hastarin Kernel (can't remember which number). Is this right?
No, usually Display takes most of the battery. Might be a bad build or something, you might want to format your SD card and load a new version of android on it.
Luckych
Cheers for the reply! I guess I'll crack on with it. Good job it's a Sunday, hey?
i have installed android for the first time yesterday. this is all new to me (flashing roms and stuff) but it all went ok. i have though noticed that battery life is poor. Firstly, i have searched the forum and noted that many users are stating what the battery usage is in mA. how exactly is this measured? is there an app? secondly, it appears the battery can be effected by what rom, radio etc is installed. if i was to try a different rom or radio, would i have to install android again along with all my apps?
thanks
i kind of have this problem too but it hink thats just how these early builds are.
Use currentwidget to measure mA.
My mA idle get down t 5mA, but I am still having some issues getting battery life that i think is acceptable
GeoMil said:
i kind of have this problem too but it hink thats just how these early builds are.
Use currentwidget to measure mA.
My mA idle get down t 5mA, but I am still having some issues getting battery life that i think is acceptable
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Click to collapse
thanks for that. just tried the widget. lowest i get is 7mA
5 to 9 mA is great battery consumption at idle, I'm having an issue staying there, I bottom out one day at 3mA but then today my phone doesn't drop below 50mA at idle. Windows Rom and radios are important for it to run smoothly but I don't think a lite rom makes a difference over a full rom, when haret launches , is gonna keep anything from running on windows(so I hear) I've tried many many roms, and the vbn rom, which is a super lite rom, didn't perform better than what I'm using right now which is energy cht. Radio will keep you from having issues with the phone waking up,(bsod) I've tried a bunch of radios and settled with the 2.15, a lot of people swear by it!
what is the android rom with best battery life? and how is it compared to an htc desire?
I am about to buy the hd2 but the only drawback i am finding so far is battery life as everyone seems to complain about it
and i often listen to music on my phone... like 4-5 hours per day...
Try http://forum.xda-developers.com/showthread.php?t=895059
Of all the ROMs from XDA I was tested on [26.JAN] [DFT / Cwm] NexusHD2-Froyo V1.9G [Android2.2.2] [Kernel: tytung_r2_oldcam]. The only that keeps me the most battery.
Sorry for my english
thx for the reply! how long does it last on regular use (some calls, some games, sms, browsing and music)
the best way to find out which rom gives out the best bat life is to experiment with the different ones out there. and a big factor also lies in your set up. i've already upgraded my hd2 rom and radio and i'm very pleased with my current set up as follows:
rom: chuckyrom lite
radio: 2.15
android: mdj froyo 4.6
by far it's given me the best power battery output ever. to give you an idea, i charge my phone in the evening. as soon as it's 100% i then unplug it. that'll be done at around 10pm when i go to sleep. i wake up at 6am and the battery shows 97%. not bad for 8 hours on standby. and i'm using live video wallpaper. on the way to work, i watch vids for like 40 minutes on the train. by the time i get to the office, my battery is at 80%.
cheers
anymore experience plz? by how much is desire's battery better?
yeahman45 said:
anymore experience plz? by how much is desire's battery better?
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Most Android phones have poor battery life, thats just how it is.
There is many, many different things you can do to improve it and its all documented here on forum.
really? however htc hd2 is initially not an android phone.. i am worried that it's battery life would be worse than true android devices?
I have push mail and weather updates and such running on an android Darkstone RAM froyo sense rom, and the battery life is as good as, or better than it was on windows.
It's more stable than windows, that is for sure.
I have dual boot, so I can still boot into windows too, so the android is extra.
another question: is the robot voice still an issue with some android roms? while reading threads of android on hd2 whether ram, sd or nand, i often see people complaining about robot voice issue!!! i hope it's no more there with the newest android roms... that sounds like a very bad issue for me!!
yeahman45 said:
another question: is the robot voice still an issue with some android roms? while reading threads of android on hd2 whether ram, sd or nand, i often see people complaining about robot voice issue!!! i hope it's no more there with the newest android roms... that sounds like a very bad issue for me!!
Click to expand...
Click to collapse
Android is robot voice !
Charansingh CM7
Been in 50% range for 5 hours now.
5hrs of heavy use with WiFi and still on 39% from 85% with downloading,watching YouTube.great.using nand
skink prj desire v 1.0 with setcpu
sounds pretty good battery life
try this build : http://forum.xda-developers.com/showthread.php?t=893620
how can I update it? my htc
nenomm said:
how can I update it? my htc
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Go to the thread, and on the first page you will get full instructions, of course you need to read, understand and then follow them before it will work. But I'm a simple old man and I acheived it so get reading
what is the latest android rom with best battery life?
last android rom im using lasts only 6 hours with the extended battery .... im looking for a rom with long battery life so it can last for at least a day ......
I think all nexus roms from tytung have a great battery life.
---------- Post added at 04:03 PM ---------- Previous post was at 03:57 PM ----------
in my opinion this rom http://forum.xda-developers.com/showthread.php?t=2693319 is very stable and battery friendly.
I have choose this for my moms phone. And she is very happy with it..
Tytung
Yes every ROM from NEXUS bu tytung have great battery life. I think you should use jellybean 4.2.2
I used SlimKat (more than 2 days battery life), but it was very slow and I changed it to Nexus KitKat.
Unfortunately, Nexus has worse battery life than SlimKat.