Database Users

Average Battery Life ? ? ?

What is the average battery life most people are getting from their devices? The reason for asking I beleive that my battery life has reduced drastically, I'm averaging 36hours. I do not use it as a phone, the Wifi & bluetooth is switch off, the unit is used for push email only and I receive about 20 emails per day, very little WEB browsing.
I'm sure my battery life was a lot better when I took delivery of the unit.

a18041967 said:
What is the average battery life most people are getting from their devices? The reason for asking I beleive that my battery life has reduced drastically, I'm averaging 36hours. I do not use it as a phone, the Wifi & bluetooth is switch off, the unit is used for push email only and I receive about 20 emails per day, very little WEB browsing.
I'm sure my battery life was a lot better when I took delivery of the unit.
Click to expand...
Click to collapse
Mmmmm.. well I'd consider 36 hours fantastic but then it sounds as if I use mine a lot more for wifi, surfing, phone etc. than you. Perhaps an hour to hour and a half per day and charge once per day but will usually have 40/50% charge left I did see a post from someone saying with reasonably heavy use they could only get 8hrs.
Mike

i use mine mostly for data.. in a 3G area i average about an 9.2% loss per hour.. in a edge area i am averaging about 1.7% loss per hour... these are all estimates since the battery meter only goes by 10's

I am fairly certain that the 3G is eating power. I get a full days work out of it with a lot of phone calls, push email, BT always on, and occasional WiFi usage. I am almost always in 3G, I very rarely lose it and only when at a clients far away.
Later, Lew
BTW, A full days work for me is 9am to 3am.

3G is the problem. Consider switching to 3G via MortScript as described in another thread. Personally, I use the GPRS only setting for normal use. PushMail would consume a lot less energy with GPRS and the speed isn't such an issue for mails in my opinion. Whenever I'm willing to browse the net a bit more, I switch to 3G before doing so (takes ca. 15s via the script) and when done, I go back to the less battery eating and more reliable (for taking phone calls etc.) GSM only mode.
You will definately at least double the runtime of your Hermes. I can do 5 days (phone on at night, little use) by doing so.

Well I can confirm that 3G is the cause, as suggested I've switched to GSM and battery life is a lot better.

3rd charge i managed to get nearly 2 days, had a 4 hr gprs web session last night on minimum brightness and still had 30% battery this morning.
if the battery goes to 0% what happens? data loss or just turns off?

jonr said:
3rd charge i managed to get nearly 2 days, had a 4 hr gprs web session last night on minimum brightness and still had 30% battery this morning.
if the battery goes to 0% what happens? data loss or just turns off?
Click to expand...
Click to collapse
Other than any document/application open at time of shut down you should be ok, not like my old Clie that looses everything that's not screwed down on the storage card. In fact quite often I deliberately remove the battery for a while if I reckon it may help with a lock up (normally due to some rubbish downloaded freebie!!). All saved programmes to Device memory and card remain in tact.
Mike

Using my TYTN for email (check every 30 minutes), newsgroups (check every 30 minutes) and reading both every 2 hours.
Also using the phone for lots of browsing.
And i am also using my phone for making some phonecalls over the day (with and without bluetooth carkit), i get to use my phone for about 16 to 18 hours without need for a recharge.

[OT]
How do you enable auto email send and receive?
Cant find the option anywhere
[/OT]

if you add an email account to your tytn you get the option advanced at the end of the settings. if you click it you will get the option to send/receive at a standard timeperiod.

I use UMTS for email and web browsing continuosly for 2 hours and I'm down to 10% after a full night charge. It's pathetic.

Your device is broke, or your battery is defective. Seriously, if you have a warranty, act on it.
Later, Lew

lewcamino said:
Your device is broke, or your battery is defective. Seriously, if you have a warranty, act on it.
Later, Lew
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Click to collapse
i dont know about that.. everyone seems to be getting around the same battery life... i would bet that if i used mine on umts continously for 2 hours i would be close to the same drain, UMTS sucks alot of battery

shogunmark said:
i dont know about that.. everyone seems to be getting around the same battery life... i would bet that if i used mine on umts continously for 2 hours i would be close to the same drain, UMTS sucks alot of battery
Click to expand...
Click to collapse
that's true and umts sucks a lot of power. i am using mine on umts in tokyo and i can only get 10 to 12 hours. i use it mostly for push email (about 80 emails), an hour of browsing and some phone calls a day. i've ended up purchasing mugen's 3000mah one to get through the day without recharging.

lewcamino said:
Your device is broke, or your battery is defective. Seriously, if you have a warranty, act on it.
Later, Lew
Click to expand...
Click to collapse
I highly doubt it as I have two 8525 and both of them will be at 10% with 2 hours of continuous use.

Well I'm on my 2nd battery.First one was replaced under warranty as I was getting about 8hrs with very little usage.
I'm on my third charge with the new battery. The first & second charges have given me about 15hrs.
Agent said I should be getting 4hrs talk time and if the second battery is also [email protected] then they will replace the phone. So I'm monitoring until next week.

Quad said:
Well I'm on my 2nd battery.First one was replaced under warranty as I was getting about 8hrs with very little usage.
I'm on my third charge with the new battery. The first & second charges have given me about 15hrs.
Agent said I should be getting 4hrs talk time and if the second battery is also [email protected] then they will replace the phone. So I'm monitoring until next week.
Click to expand...
Click to collapse
This may not apply to you (as you probably know it already!), but Windows Mobile does not shut down programmes when you click the x in top right corner. To ensure you are not unknowingly running lots of applications in the background you need to use a programme that really shuts applications down properly - e.g. Magicbutton or HTC X Button. This can save considerably on both battery power and performance.
Mike

Mike, I'm using Magicbutton and make sure all apps are closed all the time. I've read a lot about the UTMS connection on all the time draining battery. I've just downloaded this app: http://www.gb-soft.cz/XDAII/product_gprs_tweak_wm5pe_en.htm
See if this works and extends battery.

Quad said:
Mike, I'm using Magicbutton and make sure all apps are closed all the time. I've read a lot about the UTMS connection on all the time draining battery. I've just downloaded this app: http://www.gb-soft.cz/XDAII/product_gprs_tweak_wm5pe_en.htm
See if this works and extends battery.
Click to expand...
Click to collapse
Had a quick look at your link and yip, looks good going to try it as well.
Mike

Battery life?

Is it normal that I can barely last a day on a charge with this device?
My GSM devices could go at least 2 days without charging. I don't mind charging every night, but right now it would be dead before my day is over if I don't charge it at my desk too. That can't be right?

I ran bunch of test on this before i decided to keep it. One day I set it up without anything running. from 8am to 8am the next day the battery power was still 100%. Another test I did was playing audio. it went about 6 hours and I still had 20-30% battery remaining. it was loosing a about than 10%-15% per hour.
The problem is once you go on data mode it stays there and doesn't come out when it doesn't need it anymore and that drains the battery super fast. These type of programs:
-weather check
-Windows Live (for maps and searches)
-traffic
-e-mail (if you have autocheck on)
When you see the data mode (the two arrows that replace the tower icon) appeaing go in the comm manager and disable the data mode. That's obviously not a permanent solution but until figure out how to have the programs that use the data connection to return the radio to audio mode when they are done using the data mode, you can save some power.
I hope that helps.

The Mogul's battery life is definately very sensitive to the software you have running.
When I first got mine, it would barely last me 8 hours of light usage before getting the critical battery alert.
A week or two later, after a few charge/discharge cycles and a ton of configuration/software tweaks, my battery lasts all day, and is only down to 60-70 percent when I go to plug it in at night

Just to extend on what was already said, if you have outlook set up to sync automatically, set it to 5 minutes instead of "as they arrive." This made a big difference for me.
I use BatteryStatus to monitor my battery drain, and it drains at about 30-40 mA when the screen is off and when it is on and dim, around 85-100 mA or so when nothing is really active and I am at the today screen.

From my experience, the thing that affects battery life the most is the signal quality of the phone/data service. If I'm in a location where the signal is 0 or 1 bar, then the battery will drain to 20-30 percent in about 4 hours. With a strong signal, the battery only goes down to 50% for the full day.

caxiem said:
From my experience, the thing that affects battery life the most is the signal quality of the phone/data service. If I'm in a location where the signal is 0 or 1 bar, then the battery will drain to 20-30 percent in about 4 hours. With a strong signal, the battery only goes down to 50% for the full day.
Click to expand...
Click to collapse
Bingo
It's not the PDA part that is draining it, it's the RF part.

TC1 said:
Bingo
It's not the PDA part that is draining it, it's the RF part.
Click to expand...
Click to collapse
Right, so I've established that my phones lasts more than a day just fine if I'm in good service.
But is this "normal" for a CDMA phone to do? My old GSM phones could go into "searching..." for hours at a time and still have more than 50% at the end of the day. I know CDMA phones use a little more power then their GSM counterparts, but I didn't know it was THIS bad! Or is this just a bug in the system that can be fixed in the future? Being my first CDMA device, I can't tell yet what's normal or not.

GSM and CDMA RF transceivers manage power output differently. What's ironic, is that in theory CDMA handsets are suppose to manage battery power better than their GSM counterparts, sincd CDMA tranceivers continually vary the power output to match the cell tower coverage, while GSM tranceivers power a steady-state output.
Now that's in theory.... I've read numerous ancedotal articles that have compared sibling phones (same model, but one is GSM and one is CDMA) and the GSM for whatever reason performs better in terms of battery life. I know.... doesn't make sense. Two theories have been proposed by folks, one being the actual coverage for a particular area and the other that Qualcomm just basically did a poor implementation of the CDMA design in their chipsets (which are widely used by everyone).
Wish I had a better answer, but I don't have any hard evidence at the moment to say it's definitely this or that explains the difference.

There is also a configuration issue whereby data connections are not terminated after an application is done with it. Email automatic Send/Receive being one of them. Shuting down the data connection through HTC's Comm Manager doesn't solve it either. I installed this software that allows you to manually enable/disable data connections, mapped it to button 5 and have seen my battery life almost double. This of course defeats automatic email reception though.

I have changed my battery drain from 90% a day to just 10% a day by turning off bluetooth discovery! I can leave bluetooth on all day, but by turning off discovery, it seems to save a tremendous amount of power.

jaslo1 said:
I have changed my battery drain from 90% a day to just 10% a day by turning off bluetooth discovery! I can leave bluetooth on all day, but by turning off discovery, it seems to save a tremendous amount of power.
Click to expand...
Click to collapse
How do you turn just 'Bluetooth Discovery' off and not Bluetooth? Registry?

Tenchi4U said:
How do you turn just 'Bluetooth Discovery' off and not Bluetooth? Registry?
Click to expand...
Click to collapse
start/settings/connections/bluetooth/mode/Make this device visible to other devices
This is a great thread. I always had the activesync to sync as items arrive. I bet this should help a lot. I'm going to change my weather options next. dont need constant weather updates all day long.

[Sol] Maybe: Sdcard Powermanagement disabled gives me more batterylife

I have noticed one thing yesterday.
From the moment i had my Rhodium (2weeks ago) i installed advanced Config 3.3 on my Rhodium.
From the start i had the "SDcard power management" enabled.
Since then i had a terrible battery life, 20% loss in 3 hours so at the end of the day my battery was empty.
And did not blame the powermanagement of this.
Trying to locate the power loss i used acbPowermeter.
After two weeks i came till the conclusion that there was nothing which drains my battery.
True out the day i use my phone for just a couple off calls and sms messages.
3G is disabled because the poor reception.
Also auto weahter updates every 2 hours and my mail is also checked every 1 hour.
Bluetooth is always discoverble which does not effect battery drain more then bleutooth off.
Activesync is killed and Opera does realy close and used the nopushInternet tweak.
So after testing al these and more.
Even how much those apps uses de proc.
I had to try one more thing, disable the SDcard power management in Advanced Config 3.3.
And today that config change made me verry happy.
Normaly i start working at 5am and work till 3pm in that time the battery has lost 60% power.
And today i was supprised my Pro II had 91% power left.
So i just want to let you know that in my case the SDcard Power management f*****k up my batterylife.
Specs
HTC Touch Pro II
ROM-Vers: 1.19.404.1 (51489) NLD
ROM-Date: 06/22/09
Radio-Vers: 3.44.25.27
Engergy Info Tab says at 90% battery life:
Last fully charged
23:24 Thu 18aug 2009
Standby time:
18 hours and 40 minutes
Speak time:
1 hour and 4 minutes
Device Use:
5 hours and 4 minutes
I believe these specs aren't that bad because before i disabled the power management my battery would be emty in 16 hours.
So i hope that my findings will help you all.

Bluetooth is always discoverble which does not effect battery drain more then bleutooth off.
Click to expand...
Click to collapse
Are you sure about that?
in most devices bt in descovery mode drains the hell out of the battery!
I always have my BT ON only, because thats all you need once you devices have been paired.

faria said:
Are you sure about that?
in most devices bt in descovery mode drains the hell out of the battery!
I always have my BT ON only, because thats all you need once you devices have been paired.
Click to expand...
Click to collapse
Hey Faria,
First off all i still love your rom on my old wiza200.
Back ontopic:
As i found on the internet and my findings with the discoverble mode that it is not on all the time.
It only opens the BT pairing when a device want to pair.
After that it closes and acts as BT on mode.
BT does not sends it signal all the time.
But correct my if i am wrong
edit
If i may believe AcbPowerMeter the power drain with BT on and BT discoverble is nill and BT off against BT on is that it isn't a power drainer

Hey Faria,
First off all i still love your rom on my old wiza200.
Back ontopic:
Click to expand...
Click to collapse
Wow!
As i found on the internet and my findings with the discoverble mode that it is not on all the time.
It only opens the BT pairing when a device want to pair.
After that it closes and acts as BT on mode.
BT does not sends it signal all the time.
But correct my if i am wrong
edit
If i may believe AcbPowerMeter the power drain with BT on and BT discoverble is nill and BT off against BT on is that it isn't a power drainer
Click to expand...
Click to collapse
ha.. you mean you have it in a timed descovery mode. if that is the case then it is correct.
if i m not mistaking bt on only, drains less than 1% in 24 hours of the battery.

I get 7 hours of battery life and I'm a heavy user. I already have that option disabled. I need to improve this battery!!!

incredible!! your results are great!! any other detailed report, to clarify things a bit?? it would be interesting to have some data to elaborate some statistics and see what we come up with
in your fisrt post, you mean that you achieved the written results at the cost of only 10% battery life, or have I misunderstood it all??? if it's correct, wow!! °_° you have a nuclear battery! from 100% (and powermanagement enabled) I usually achieve 24 to 26 standby hours, 30min calls, 5 hours device usage (most of them connected on 3g). no bt nor auto connections of any kind.
thinking about it, it sounds a bit strange though: the OS is basically the same since quite a long time, and so the management of sd power (I think). so why would it do good (if enabled) on many devices, and not on TP2, having on the contrary such a bad impact on battery life?? I hope my question is clear enough!
since I'm no expert or programmer, I'd really like to have a little explanation by someone who really knows how these things work!
thanks a lot for the contribution, everything that may improve battery life even just a minute is super appreciated! best regards!

faria said:
Wow!
ha.. you mean you have it in a timed descovery mode. if that is the case then it is correct.
if i m not mistaking bt on only, drains less than 1% in 24 hours of the battery.
Click to expand...
Click to collapse
Nope my is discoverble the whole time.
About the 1% drain i am not sure, but after i am done with testing we will see how much it drains our battery.
HeavyComponent said:
I get 7 hours of battery life and I'm a heavy user. I already have that option disabled. I need to improve this battery!!!
Click to expand...
Click to collapse
I am still testing how to improve our battery and be able to do something with it.
cyberpunk627 said:
incredible!! your results are great!! any other detailed report, to clarify things a bit?? it would be interesting to have some data to elaborate some statistics and see what we come up with
in your fisrt post, you mean that you achieved the written results at the cost of only 10% battery life, or have I misunderstood it all??? if it's correct, wow!! °_° you have a nuclear battery! from 100% (and powermanagement enabled) I usually achieve 24 to 26 standby hours, 30min calls, 5 hours device usage (most of them connected on 3g). no bt nor auto connections of any kind.
thinking about it, it sounds a bit strange though: the OS is basically the same since quite a long time, and so the management of sd power (I think). so why would it do good (if enabled) on many devices, and not on TP2, having on the contrary such a bad impact on battery life?? I hope my question is clear enough!
since I'm no expert or programmer, I'd really like to have a little explanation by someone who really knows how these things work!
thanks a lot for the contribution, everything that may improve battery life even just a minute is super appreciated! best regards!
Click to expand...
Click to collapse
I expect that my testing will be done with in two or three weeks.
Because i want to exclude every possible power drain and drain the battery till its empty to besure how long it takes.
Althought my battery isn't empty jet i will post some screens of the actual battery state.
And later this weekend when the battery is empty i will also post data of my findings.
With my tests i hope to save power and still be able to use the Pro II as its ment to be.
Or else it will be useless expansive plastic brick after 7hours of use time.
At this moment my battery has 43% power left.
And the last full charge was at 4am on 20-08-2009.
So its standby for a little over 54 hours. (current time 11:30am)
In my attached screen it say standby time 49 hours.
I do not know if this standby indication is the actual standby or what is left.
I mean that my Pro still has 49 hours to go.
Think there is a bug in de energy tab, but can not find anything on the NET.
This is what i have done the last 54 hours.
Why is tell you this? althought i am not an heavy user like many people here.
It maybe can help to compare my use with all you people.
- 4am 20-08-09: woke up and disconected my phone from the charger.
- 5am got to work, at work no provider connection so phone is searching for connection for little over 8 hours.
- 3pm got home, so now and then check the weather, play arround with new appz, had to put is some new appointments and contacts.
- Tryed some new reg tweaks, and took some pictures and make a short movie (1.39min) off the awefull weather over here.
- 10pm got to bed with 73% power left in my battery.
- Same story: 4am woke up and got to work to arrive at home at 3 pm.
- Did some checking on the weahter app, added a new contact, tryed some g-sensor games.
- And made two phone call about 10 minutes (not much for the last two days)
- Also send about 12 sms and 2 emails.
- Got to bed at 11pm and woke up at 10am with 43% power left in my battery.
- My mail is checked every two hours, no pushmail by the way
- I used the alarm function as my wake up call
I will let the battery drain completly and try some other possible power savers later this week.
And will post my findings over here including some findings i made with acbpowermeter and what effects background services or programms have on the battery.
At this moment i think i have charge my battery tomorrow morning if it does not shut it self off because of an empty battery over night.
If 4 days standby time is possible with little use then i'm not happy with the power drain.
Why: my wifes Omnia i900 is not used for over 3days (Backup phone at the moment) and has a been standby for 4,5 days and has 50% power left.
Okay i know i can not compare these two devices.
Because there different and we do not use the devices the same.
Later this weekend i will post what i have done and post some data and statistics.
And i will post which changes i made for my new tests week.
What i have done so far,
Energy settings:
-screenlight in battery power is full
-screen goes off after 1 minute
-device goes off after 2 minutes
Phone settings:
-band settings are set both to auto
Bluetooth:
-is set to discoverble
WiFi:
-Did not use it this test
Commanager
-Do not know whoe made it.
but is use the new commanger to quickly switch between 3G on or off.
Because in my area there is a poor reception of 3G
So currently 3G it is switched off
Advanced Config:
-sdcard powermanagment is disabled
-also the others mmc, nand, sim, async, pptp,l2pt
-Data connetions (gprs auto attach) disabled
-miscellaneous (auto daylight savings) disabled
Appz & tweaks
-manilla nopushinternet
-Opera wil close instead of minimize
-Activesync is killed by faking a server
-No2chem 1% battery bar
-Zuinigerijder TouchLockPro
-XDA-Developers GPRS 1 minute auto detechment
Rhodium settings tool:
-Auto rotation is off
-Power special tweak is switched off (next week testing it switched on)
So next week more data and background info

waiting to see the final results!!
btw, what is "power special trick"?? never heard of that.. sounds useful
the more minute of battery life we can obtain, the better!

how do you disable the sd card power management? i want to give this a try. also this is my first post and id like to say this site has alot of useful information!

any updates

I tried disabling and...well maybe there is some little improvement here, but I don't know if it's really because of this or if it's because of different patterns of usage during the days.. mine varies a lot.
as a raw comparison, it went from almost 60hrs standby and 5 of usage to almost 75 and 6 /6.5. both test with phone always on on 3g network, no data connections, no wifi, bt and such. just simple usage (documents reading, editing, tweaking, mostly PIM related tasks.
again, I'm not really sure it's power management related.. maybe V6Maniac did a more rigid comparison, mine's not worth it
waiting for updates
cheers

Palringo
Guys,
I am not a techie so dont flame me if what I say proves to be wrong.
When I installed cleanRAM and when went to the Customized Process List, I saw Palringo as one of the running processes. I remembered using Palringo on the day I installed it, but never after that, which is at least 10 days before. And it stayed there even after a day. Hence I decided to remove the installation and the process is gone now.
Now my batter is really good!!! I had a full charge by 6 pm yesterday and now it is holding at 84%. I did connect to Internet through WiFi for about 20 to 30 mins for skype call, updated weather and stock. Yet it is holding at 84%.
Let me observe it for few more days and let me come back to you if I find anything interesting.

it is known that certain programs are really nasty battery drainer. there's a recent thread somewhere reporting that a (maybe older( version of ESET mobile antivirus did the same. so we have another entry for the black list of abnormal battery drainer
thanks a lot!

Battery Drain HD2?

Anyone else experiencing excessive battery drain on their HD2?
I am interested to know if this is just my phone or if it actually just chews through that much juice.
I have had windows mobile phones for several years so I know all the basic ways to keep battery drain down.
Stuff that I have generally found:
1. If I keep the screen turned on without it going blank I lose about 1% every 2 minutes.
2. If I am browsing that figure almost doubles.
3. My old Touch HD used about 5% battery overnight when in standby but this phone will go through about 25%.
4. The phone gets really hot when browsing (much hotter than my old Touch HD)
I have tried flashing ROM's and Radios but nothing seems to help.
I am not running any software on the phone that I wasn't running on my old HD1.
I have only had the phone for a week so I am not sure if this is normal but I would be very surprised if HTC released a phone that lasts for only a few hours on one battery.

+1
-1% every 3 minutes
-4% during the night (when i'am sleeping)
MAXIMUM : 45/48 HOURS

Crash95 said:
+1
-1% every 3 minutes
-4% during the night (when i'am sleeping)
MAXIMUM : 45/48 HOURS
Click to expand...
Click to collapse
I wish I got 2 days

we really need extended battery ,hd1 battery was much more better.

Good mate but yes i agreee HTC has come up with a battery eating device this time around. My device on full charge just gives in around 8-10 hrs. This might be dat my EDGE is on and 7 mails accounts sending mails back and forth.
but truly i think that HTC better look into this very seriously cause more and more ppl are suffering in this battery drain..
Any of flashing roms and radio not helping either... did a complete hard reset but no step up
HTC come with longer battery battery for bigger devices soon......
The only solution i see now is get one of those extra battery worth mind bogling £52.87

I've had this problem ever since flashing to 1.66, I flashed the radio to 2.07.50.27 as this was said to solve the problem but it hasn't made any difference after a few days of use. My battery life used to be significantly better when I was on the original stock ROM, so much so I'm considering going back to it
I also know all the tricks as to clawing back the battery drain, my phone is idle on my desk at work most of the time and I don't use Wi-Fi, all the location stuff is turned off as are weather, stock and other updates plus my screen is set to 30% then off after 60 seconds. Despite all of that I lose 1% every 2-3 minutes
It seems to me that perhaps the radio is checking for reception pretty much constantly rather than say, 5-10 mins perhaps? This used to be a problem on my old Blackberry Storm but a few fimware updates solved it, eventually!
The only other thing I've noticed since the update is that once the battery drops below 50% or so, the drain seems to slow, I don't know if this is perhaps because the phone goes into some sort of semi-power saving mode?
Suggestions/hints welcome! I've had a semi-thorough look into this on the forums and tried most of the suggestions but still the problem remains. Will battery life improve after a few charges perhaps as this was a trait of my Storm's battery, the more you charged it the better the day to day battery life was (and no it wasn't because I had it plugged in all the time! Over time the general charge just seemed to improve when roaming).
Thanks!

Piemole said:
Anyone else experiencing excessive battery drain on their HD2?
I am interested to know if this is just my phone or if it actually just chews through that much juice.
I have had windows mobile phones for several years so I know all the basic ways to keep battery drain down.
Stuff that I have generally found:
1. If I keep the screen turned on without it going blank I lose about 1% every 2 minutes.
2. If I am browsing that figure almost doubles.
3. My old Touch HD used about 5% battery overnight when in standby but this phone will go through about 25%.
4. The phone gets really hot when browsing (much hotter than my old Touch HD)
I have tried flashing ROM's and Radios but nothing seems to help.
I am not running any software on the phone that I wasn't running on my old HD1.
I have only had the phone for a week so I am not sure if this is normal but I would be very surprised if HTC released a phone that lasts for only a few hours on one battery.
Click to expand...
Click to collapse
You need to indicate what services you have running. Do you have any data services running eg: location services, push mail, weather? all of these have a bearing. In addition, network services can also drain a battery, especially if the signal is weak and the phone have to search for a transmitter, or 3g services.

Hexjibber said:
The only other thing I've noticed since the update is that once the battery drops below 50% or so, the drain seems to slow, I don't know if this is perhaps because the phone goes into some sort of semi-power saving mode?
Thanks!
Click to expand...
Click to collapse
That is a very interesting comment. Although since upgrading to radio 2.07.51.05_2 I have had very good battery life, I too have noticed a slowdown after 50%

romac said:
You need to indicate what services you have running. Do you have any data services running eg: location services, push mail, weather? all of these have a bearing. In addition, network services can also drain a battery, especially if the signal is weak and the phone have to search for a transmitter, or 3g services.
Click to expand...
Click to collapse
Nothing is turned on, everything is set to manual.
As I stated I know all the basic stuff. I understand that all these things have a bearing on battery loss.
Everything I stated in the first post is for when I have nothing running. The phone is just sitting there running sense, thats all.

I have had my HD2 for a few days now. I am on Vodacom in South Africa.
I have not had a problem with battery life.
Yesterday i unplugged from the charger at 07:00. I spent about 1 and 1/2 hours of talk time on the phone, it was permanently connected to 3g doing weather updates etc. Sent and received a couple of sms's. Also played with a few tweaks and reboots.
When i got home at about 18:00 i had over 30% battery. I then surfed the web for over 2 hours to drain the battery.

try setting Network Selection to Manual

Piemole said:
Anyone else experiencing excessive battery drain on their HD2?
I am interested to know if this is just my phone or if it actually just chews through that much juice.
I have had windows mobile phones for several years so I know all the basic ways to keep battery drain down.
Stuff that I have generally found:
1. If I keep the screen turned on without it going blank I lose about 1% every 2 minutes.
2. If I am browsing that figure almost doubles.
3. My old Touch HD used about 5% battery overnight when in standby but this phone will go through about 25%.
4. The phone gets really hot when browsing (much hotter than my old Touch HD)
I have tried flashing ROM's and Radios but nothing seems to help.
I am not running any software on the phone that I wasn't running on my old HD1.
I have only had the phone for a week so I am not sure if this is normal but I would be very surprised if HTC released a phone that lasts for only a few hours on one battery.
Click to expand...
Click to collapse
Same here with and without stock ROM.

yeah.. the phone is a battery sucker.... another cons of HD2....

This is very interesting to read because I do not have this problem. When I left my HTC HD2 on last night (I woke up at 4 in the morning to get something to drink and unplugged it) and then woke up at 8, it was at 98%. That means it went from 100% to 98% in 4 hours. Not to bad imo.
I am now at work and it is 15:34, and I am at 87%. I have made some calls, watched some videos, send a few text messages. Not much (I am at work so I got other things to do). So 08:00 (98%) - 15:34 (87%) - that's 7 and a half hours, with some calls, text messages and a video.
I am pretty sure when I get home at 18:30 the battery will still be above 75%. Then I connect to my wifi at home, refresh twitter, weather, browse the web a little bit, check e-mail etc. So that will drain my battery a little more.
But overall I have not had any problems with my battery life. I always make it trough a day, and never have a problem like 'damn my battery is almost done and I am not near a charger'.
Some info that might help:
I do not sync ANYTHING automatically. I still have some things to do with my Vodafone contract and do not have an unlimited plan yet. I only sync at home on my own wifi connection. For me this is not a problem, because I only need to refresh the weather each morning to see what the day is going to be like. Twitter I only do when I have the time. Stocks I do not use.
I have screen brightness set to automatic.
I am on 3G most of the time.
I am running the official 1.66 Dutch ROM.
I have some tweaks, games and programs installed.
I hope you all solve this issue, because it just can not be that my HD2 has a good battery life, and your HD2 not
Kind Regards
EDIT @ 17:00 still 87%.

I am in a 3G 2100 only network (I don't have 2G functionality).
ROM: Artemis 3.0
Radio: 2.06.50.23_3
Customization: Seiya 6.5.5
I don't leave any automatic updates on, except for my e-mail account every 2 hrs.
I never close my connection.
The drainage overnight is -3% (8hrs).
The battery lasts at least 12 hrs of intense usage.
Normally I have to recharge every second day (e.g. I charged last night, I answered a few calls, I did some IM and browsing and I still have 73% left).
For a phone with a 1 GHz processor, a 4.3" screen and a tiny 1250 mAh battery I find the drainage is rather decent.
Mind you, I ALWAYS do at least one full charging cycle to my battery after flashing a new ROM. I mean: full discharge, battery out 1 min, full charging in OFF mode, battery out 2 mins.

27firesnake said:
Mind you, I ALWAYS do at least one full charging cycle to my battery after flashing a new ROM. I mean: full discharge, battery out 1 min, full charging in OFF mode, battery out 2 mins.
Click to expand...
Click to collapse
I have seen this process recommended a couple of times now. What is the theory behind it if you don't mind me asking?

maybe its also becouse some of us couldnt wait using the hd2 when they got it (like me) before it was fully charged for the first time
anyway my battery life has improved a little bit, i was at 74% this morning and did a lot of browsing, installing, tweaking and now its at 3%. it used to be much worse

I have battery consuming problem from time to time.I did everything:
installed new stock rom 1.66;
transfered all data which phone is using from card to phone memory(pictures,icons,sounds.etc...)
all updates are done manually;
Gprs connection is swiched off on the idle after one min;
One night it is loosing from 2 to 4%;
another from 30 to 40%
and it is eating memory from 10 to 15mb
I think that it is radio which is causing battery drainage so fast(to much communication wit a base stations,because when I am checking spb wireless monitor in the morning,there is no any data traffic.
I hope they can solve problem,because it is getting me mad and crazy

Try setting the screen brightness to 10-20% (on battery powered)
and dim backlight after 10 seconds (on batter powered).
It helps a lot, at least for me.

creed said:
I have seen this process recommended a couple of times now. What is the theory behind it if you don't mind me asking?
Click to expand...
Click to collapse
as far as i know, the battery has an integrated digital circuit (ic) which estimates the state-of-charge (soc). the procedure resets/calibrates the ic to obtain a more accurate estimation. since the radio rom is in charge with the power management (among other things), by changing it you decalibrate the "gauge".
i don't know if i've got the theory right but i tested this myself and it surely works.

[Battery Stats] I didn't bring my phone to work today

I had everything turned off. No email, no sync, no wifi, no gps, nothing. I fully charged the battery and unplugged it before I left. Display was never turned on. I wanted to see a completely isolated battery test. The only applications I had active according to my task manager was Launcher Pro.
Time on 10 hours 20 minutes
Battery life left 60%
Battery used 40%
Cell Standby - 40%
Phone Idle - 30%
Android System 20%
Calls (1 missed call) 5%
Display 3%
Maps 2% (Why does maps show up?)
Again this is with absolutely 0 use or syncing going on. Left phone at home, turned on and immediately checked stats when I got back from work.
According to this small test I can't even last a day on a full charge even if I left it completely alone.
Thoughts?

Running stock JI6

Holy stewart Gilligan Griffin.
Why does everyone need to make a thread for personalized information regarding their battery life?!?
I had a g1 n then mytouch n I've never seen such whining over battery life. If I see one more battery thread.......
Sent from my SGH-T959 using XDA App

at least your reply was helpful.

sj_martin said:
Running stock JI6
Click to expand...
Click to collapse
In 1.5 day of standby with every radio off and no sim, my phone only lost about 5% with stock JI6.

I think it is a cool idea. I find that 5% usage for one missed call is very bad. I have really suspected that voice calls kill this battery and that seems to add evidence. 5% for a missed call? That is messed up.

I think this is the aspect of battery life that doesn't get addressed enough: drain during standby. Of course everyone expects to lose some power while the display is on and syncing/other processes are running--but what about when the phone is left untouched? Here are 3 ideas:
3g is a notorious battery drain even when the phone is not being used--use 2g instead.
Freeze or uninstall media hub and other running processes that attempt to run/connect to servers in the background. I removed dmservice, media hub, and all drm processes and this seemed to be helpful.
Use a custom rom--these appear to hold power in standby better than stock roms do.

grennis said:
I think it is a cool idea. I find that 5% usage for one missed call is very bad. I have really suspected that voice calls kill this battery and that seems to add evidence. 5% for a missed call? That is messed up.
Click to expand...
Click to collapse
To add further detail usage time was 45 seconds for the missed call.

sj_martin said:
I had everything turned off. No email, no sync, no wifi, no gps, nothing. I fully charged the battery and unplugged it before I left. Display was never turned on. I wanted to see a completely isolated battery test. The only applications I had active according to my task manager was Launcher Pro.
Time on 10 hours 20 minutes
Battery life left 60%
Battery used 40%
Cell Standby - 40%
Phone Idle - 30%
Android System 20%
Calls (1 missed call) 5%
Display 3%
Maps 2% (Why does maps show up?)
Again this is with absolutely 0 use or syncing going on. Left phone at home, turned on and immediately checked stats when I got back from work.
According to this small test I can't even last a day on a full charge even if I left it completely alone.
Thoughts?
Click to expand...
Click to collapse
Cell Standby indicates that there is an activity that polls something from the network.
if you are so concerned about what it might be, you can see when and how much data is being used by going to your TMO account online and check for the data usage - one of the good features TMO put in place is actually tell you when your phone connected to get what amount of data over the data connection, does not tell you what it was doing though.

Yeah, something is going very wrong in your phone. When my phone is on standby with just 2G on it drains less than 1% per hour. I would definitely recommend getting rid of the drm service and media hub (and Daily Briefing). I also use Autostarts to keep all kinds of random programs from starting at inappropriate times (Really Slacker, does your app need to launch every time the time zone changes?)

Kubernetes said:
I would definitely recommend getting rid of the drm service
Click to expand...
Click to collapse
It is.... DrmUA.apk?

According to Samsung the phone should last 450 hours in standby mode...
Anyway, yeah, I'd be curious to see the same test done with 2g only.

ackattacker said:
According to Samsung the phone should last 450 hours in standby mode...
Anyway, yeah, I'd be curious to see the same test done with 2g only.
Click to expand...
Click to collapse
450 hours rofl.

Looks like i'm going to go off stock and try out some roms now. I assume bionix 1.9 is the new hotness out there? Going to flash and try the same test again and post results.

ackattacker said:
According to Samsung the phone should last 450 hours in standby mode...
Click to expand...
Click to collapse
I wonder if Samsung's definition of "standby mode" is what the rest of us call "off".

I've never had any kind of batt life with this phone...charge everday overnight...start work at 8, use here and there for navi (around 10 mins max, maybe 2x a day) about 30 min avg talk...and mp3 player...get home by 4 and always at 30% or (most often ) less...have had stock/ bionix roms, never changed, no matter what build....it's pathetic..called tmo, they said there are no known issues with batt on this phone...wow...do a google search on it..anyways, they are sending out a new batt..I hope I just got a bad one...seems very random tho, some ppl have all radios on ,screen all the way up and get 10+ hrs...if i left my screen on (say navi on) for more then an hour straight I'd be out of battery..very weird..praying new batt is better...

copied from team whiskey site:
Code:
Battery Conditioning
Does it seem like youre just not getting the battery life you should from your phone? Do all your other friends keep going while you slowly putter into a shutdown? Well pout no more! Simply follow these steps to clear your batter information from the phone and your phone will act better then new! :)
1. Charge phone completely, leave plugged into power
2. Boot into recovery
3. Wipe battery stats
4. Reboot to normal
5. Remove power cable
6. Drain that sucker all the way
7. Recharge fully
8. Rejoice!"

I turned my phone off today. Then I left the house. When I got back the battery was glad to see me. Seriously, I've read just about everyone and almost started my own battery disturbance thread. I've come up with a new thought at least for me. I don't care any more. I have electricity. I have a spare battery and a charger. If my phone wants to last a whole day. Yay! If I use it more because of some game with angry birds or cards or dice, great. I've reached that Mark Twain moment somewhat tweaked when he said,
“Age is an issue of mind over matter. If you don't mind, it doesn't matter.”
I'll tweak it with the last 27% of battery left in my feeble vibrant to:
"battery is an issue of mind over matter. If you don't mind, it won't matter".
Enough already I say! Lets spare the air. Batteries are meant to be used
Back to the regular reading of all the battery threads now.

I think I had the same issue as you. Cell standby was the biggest drain. When you tap on that, do you see 50% time without signal? If that's the case, this seems to be a bug in Android which was somehow introduced in JI6. The best solution I've found so far is after every boot to put your phone in flight mode for a few seconds and back. This fixes the radio glitch, your time without signal should go down way under 50%, and battery drain should stop. Hope that helps.

You should recondition your battery:
Fully charge
Reboot into recovery wipe battery information
Reboot into OS
Unplug power cable
Let battery FULLY drain (do not plug in until fully dead)
FULLY charge battery (do not unplug until fully charged)
This reconditioning should be done after every ROM flash.