Database Users

Push Email Battery Usage

When I first got my 8125 I got about two days of normal use out of it before I had to recharge. I setup a IMAP email store and set it to check for emails every 10 minutes. My battery life now will only last me 24 hours before I have to recharge.
If I setup push email on my device will the battery life stay the same as checking my email via IMAP or will it get better/worse?

with my battery properly conditioned and using push via AKU2 and exchange 2003 SP2 I get around 3 days usage.

I've read that the MS solution also leaves a socket open to the mailserver.
The difference would then be the amount of data sent between the device and the server...so instead of an IMAP login and header listing (or worse, ssl imap), you do it once and stay connected and simply wait for it to come down the pipe. The radio and GPRS stays active, but not much else.

twaddle said:
with my battery properly conditioned and using push via AKU2 and exchange 2003 SP2 I get around 3 days usage.
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What exactly do you mean by properly conditioned?

I'm getting slightly less since I went to direct push. It's right around 2 days now where before I would go 2-3 days. Could be that I'm checking emails more often now too though.

HTC TyTN Battery Life with ActiveSync Really bad

Hi
I have read a lot of threads about short battery life, but so far none of those applied to me. I have recently purchased this great device, and normally it gives me 2 days of usage time with a fair amount of fiddling etc, and no activesync. Now the main purpose for this purchase was the Activesync feature, as I have an exchange server pushing me my mail. I have the following settings:
Exchange 2003 SP2 without SSL certs/encriptions
Active sync set to download mails upto 0.5KB and from all times, not only the last 3-5 days, etc.
Active sync is also set for immediate retrieval, which leaves the phone with a permanent GPRS connection. There are PEAK times set, from Monday through Friday between 8AM to 6PM. Off peak times it gets it at every 2nd hour.
My battery lasts 12-14 hours like this, and I dont touch the phone much, plus dont have more than 20 minutes talk time per day. Yesterday I arrived home at 10PM with a dead battery already. This is really bad that I cannot even make it through a single day.
An addition to this the phone gets really warm, but only at the very end of its battery-life, lets say from 30% to 0 it goes in less then an hour or 2, and warms up pretty badly.
I also have the BandSwitch utility keeping my phone on GPRS only, and killing idle connections that are non-used for over 2 minutes. This I guess only takes affect during off-peak hours, but even in those hours, when I check my phone I can see a GPRS connection on for like 20-30 minutes. So I guess Bandswitch doesnt always do a good job.
Any hints? This is really annoying,
Thanks a lot,
Ben

Gmail sync schedule draining battery

Hi, sorry if this has been asked, but I'm a follower of the entire Nexus One forum, and could not find it.
It drive me nuts I cannot find how to set synchronization for the Gmail account. I want to have it check for mail every 15 or 30 minutes, and not continuously as how it looks is happening now. I think this is one of the reasons my battery drains so fast in standby.
Is this possible? ( I almost swear I saw it once, maybe at initial setup of the Nexus), or it's just my ex WinMo thinking?
Regards,
Alin.

As far as I know Gmail is push, no?

I need the answer too, but it seems that it is pushed mail.. it draws the battery quickly.

I leave my sync on and don't seem to have any significant battery life problems... I mostly leave my phone in 2g mode though, activating 3g/wifi when I actually want to do something.
I charge once a day when I am sleeping usually, but it seems fine to me.

Someone please correct me if Im wrong.
Im under the impression that Push email allows Gmail to stay completely idle until a wireless msg is sent and activates the updating process.
Thuse greatly reducing battery since it only has to check when told to instead of periodically.
Unless of course your constantly getting emails in which case it may be ALWAYS being told to check.

Guys, how long does the N1 need have to last. I life in an area where I can charge the N1 every night while I'm sleeping. It is set to Autosync with GMail and I use it quite a lot, maybe around 40-60 min. Internet and a few minutes phone and a few SMS and (at least now to get used to my new toy) a lot of playing around and about 30 min MP3 a day. It's empty when I go to bed but who cares? I got power beside my bed and do charge it while I sleep. That's how it should be, or? If I'm away and maybe don't have a power grid (where the heck is this today, in the middle of a dessert or rainforrest?!) and need more than a day than I would switch off the Internet and syncing and put down to display brightness.

sthoeft said:
Guys, how long does the N1 need have to last. I life in an area where I can charge the N1 every night while I'm sleeping. It is set to Autosync with GMail and I use it quite a lot, maybe around 40-60 min. Internet and a few minutes phone and a few SMS and (at least now to get used to my new toy) a lot of playing around and about 30 min MP3 a day. It's empty when I go to bed but who cares? I got power beside my bed and do charge it while I sleep. That's how it should be, or? If I'm away and maybe don't have a power grid (where the heck is this today, in the middle of a dessert or rainforrest?!) and need more than a day than I would switch off the Internet and syncing and put down to display brightness.
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The topic has less to do with how long the battery has to last and more about how do you change the GMail app to poll for new mail rather than relying on push. Mail sent to GMail account is by no means urgent and I for one don't want to drain my battery for a feature that I do not need.
For those that are skeptical that push technology drains the battery - the following is a quote from GMail's blog regarding the GMail app for WinMo (sorry I can't post the link due to user restriction): "Once you're set up, new messages are normally pushed to your phone within seconds. While this type of speed is pretty awesome, push connections tend to use more power than fetching at intervals, so don't be surprised if your battery life isn't quite what it used to be."
Anyways, I haven't found a way to change the GMail application to a poll model rather than push so as an alternative I've setup K9-Mail against my GMail account and have it poll on a regular interval and disabled the GMail application altogether.

So you want your Gmail account to update at a predifined interval (like every hour?)?
This is simple: Open up the Email App (NOT Gmail), and enter your full gmail account ([email protected]) and password. It will set up your Gmail account in the Email app. In this app press Menu > Account Settings, and set the email check frequency to your liking. You can also set other options like delete emails from the server when you delete them on the Email App.
In this way you will use the Email app to check emails, meaning you can turn auto-sync off and save battery.

You could also sync your email account once. Then turn off sync. And manually sync your email anytime you want to check for new mail. Since it's not "urgent" as you said.
Or do as melterx pointed out.

Thanks guys for all solutions provided. I'll test them out and see what's happening
Answering to the guy who mentioned about how long should battery last, well, I'm simply not used to charge my phone daily. I had Touch HD before the N1, and with same usage (phone calls, gmail sync, internet) I had almost 3 days with a full charge.
Well, I'm still blaming the "new phone" factor for my battery draining problem, and I mean by this that I'm simply using it too much compared to a normal, "already used to it", usage.
But again, there are other topics for battery usage, so let's keep this only for email sync options

turn off auto-sync. when you want it to fire up, fire it up, then shut it down again. i went all day today, and ran less than half the battery off, because it wasn't polling over and over and over...

I'm not sure how much push drains the battery. One of my Gmail accounts is a work account. I have it and my personal email on push. Went for 10 hours, got about 40-45 emails with several calls and numerous text messages and still went down to 57%. I do have my phone on 3G most of the day(gotta love Atlanta).

Battery Usage Solved

The following thread on the XDA Desire forums was pointed out to me on androidforums by marabuchi. I did what was recommended and everything seems good so far.
http://forum.xda-developers.com/showthread.php?t=666404
"UPDATE APRIL 28 2010: PERMANENT SOLUTION FOUND?: Remove Flickr Sync. Go to Settings>Accounts & Sync>Flickr. Then press remove account at the bottom of the screen and reboot the phone - Please report back in the thread if successful! "

I don't have Flickr sync on anyways haha.

after a week of haveing it I stopped messing with it every 2 seconds... and dont have your accounts update every 15 minutes all it does is eat away our battery... I have all mine set for every2 hours and my battery lasts just fine unless I'm playing a game or something ... I even use slacker radio for over an hour a day and it barely used up 2% of my battery for the day

I realize that not everyone is having this issue specific issue, but this sure helped my battery life.
I am now at 31 hours uptime, 2 hours awake time since the last time I charged my battery. My updates are at 4 hours (I'll normally go into the app and refresh), GPS is enabled, Always Connected is on, and I use the phone pretty regularly throughout the day. I have 5 battery bars currently.
Anyway, helped me, figured someone else might be in the same boat.
Thanks

Didn't change anything for me, my calender was normal.
I get probly like 14 hours max on my battery, gps off, always data off, wifi off, screen low, only thing updating every hour is weather. I mostly text and do some web surfing, seems quite a bit low of battery life.

Gmail or Exchange?
roninld said:
I realize that not everyone is having this issue specific issue, but this sure helped my battery life.
I am now at 31 hours uptime, 2 hours awake time since the last time I charged my battery. My updates are at 4 hours (I'll normally go into the app and refresh), GPS is enabled, Always Connected is on, and I use the phone pretty regularly throughout the day. I have 5 battery bars currently.
Anyway, helped me, figured someone else might be in the same boat.
Thanks
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roninld, do you sych your email? (gmail or MS exchange or both?) thanks

sniczz said:
roninld, do you sych your email? (gmail or MS exchange or both?) thanks
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I have Google set to sync gmail, but not contacts/calendar. No exchange, and have Hotmail setup with manual refresh.
As a quick update, battery life for me has still been great with pretty much everything turned on. Going about 2 days before having to charge.

Email SyncManager service causing constant 3g connection, overheating, battery drain

I don't know if this issue could was present before the 2 most recent updates, but I have been experiencing it at least as long as they've been out. After some interval, usually > 8 hours after the phone has been booted, I notice that the back of the phone starts to get warm. When I turn it on, I notice that there's a data connection, and it seems to be constantly sending and receiving data.
After removing every non-stock app, a factory reset and replacing phone, I've come to the conclusion that the SyncManager service for email is doing SOMETHING that's causing the connection to continue running. This condition QUICKLY drains the battery, and causes the phone to overheat and stop charging while connected to the charger. The only way to stop this is to stop the service or reboot the phone. The service restarts when the email application is opened, but the problem happens again after so many hours.
I have 6 email accounts setup. Two are ActiveSync accounts (one Hotmail ActiveSync and the other is an Exchange 2007 server), and the other 4 are IMAP accounts. I've tried with both manual and interval syncing, and the problem still happens.
I'm a big fan of consolidation, so I'd prefer not to use multiple mail apps to check my mail and like the combined view of the stock client. But... this is a problem. Has anyone else experienced this? Or maybe if you're experiencing overheating while charging or rapid battery drain while supposedly idle consider this may be the reason.

Interesting that no one else has this issue.
Well, after some days of decent battery life and no problems with this, I plugged my phone in to charge last night and woke this morning to a too hot to touch phone, which I promptly checked and there was the open 3G data connection and pulled the battery (which was also very hot). The only variable over the past few days is that I left wifi active on the phone until last night.

I've the the same problem. i used exchange also. apparenty there have been some problems with android 1.6 and on with appointments recurring for more than a year. ended up moving my exchange calender to gmail and everything was all good. took me a few weeks to figure it out
Sent from my SPH-D700 using XDA App

I don't have an overheating issue, although I do have a big issue with the unconsolidated messaging solutions.

I didn't have a problem before the two updates either. the di7 and di8. this was the only remedy I have found. I know it sounds weird that appointments the recur for more than a year would be the culprit. I would give it a shot because it worked for me. just back everything up. I backed up my exchange calender to google calender and wiped out my exchange calender. give it a shot nothing to lose
Sent from my SPH-D700 using XDA App

I'll give that a shot. I don't THINK I have any recurring appts in my calendars, but I wouldn't be surprised if there were some stray birthday's in there.