Database Users

How I nearly tripled my battery life!

If you just wanna see my tips then skip over the next few paragraphs lol!
Hi! I am not sure if this exactly has been posted already, or if it's common knowledge and I am just slow lol, but the last couple days I found out how to maximize the battery life on my phone by (imho) a huge amount. And I wanted to share with the community.
So before I did this, I'd generally get maybe six to eight hours of uptime before the battery was critically low. This was really frustrating because by the time I got home from work my phone would be almost dead. So I'd charge it in my car for a little bit, but then when I went out I'd have to turn off Wifi, GPS, Bluetooth, brightness all the way down etc. just to have enough battery to survive the night.
But now I managed to get 18-24 hours out of a single charge, without having to manually touch the settings too too much (GPS/Bluetooth when I need them.) Now I think a lot of this depends on your personal usage, but for me this worked great. And here is how I did it:
1. Disabling/making less frequent updates in apps. For me this was Twidroid, Facebook, and NewsRob. I realized that I keep notifications off for these apps (I don't need to see a notification everytime someone I follow tweets you know?) and that even when they were all set to auto-refresh every 30 minutes or whatever, I STILL always hit refresh when I went in anyway. So I disable automatic updating. Obviously this depends on your usage, but for me, I didn't need up to the minute social networking information, and manually refresh anyway. But I went through all my apps that updated automatically and changed the setting.
2. Task Killing. In a perfect world, Android would efficiently manage it's own app load, but unfortunately the world isn't perfect. I found that if I know I'm going to be putting my phone down for a while, take a second and kill all the runnings apps. I use Astro, but there are countless apps that can do this for you. This is something I don't do frequently, but for example, if I'm going to go to bed and I don't have my charger, but want my phone on in case of an emergency, I'll kill all the running apps.
3. Brightness. After weeks of changing it back and forth because I don't really love the way it auto adjusts, I just said f**k it and put in auto. While sometimes the level of brightness it selects seems a little whack, it's definitely saved battery life. And saves me the trouble of changing it myself. I also found that setting the timeout to 15 seconds seemed to improve battery life.
4. Juice Defender. You can find this app on the marketplace. It has two modes, easy and advanced. If you want, you can go into the advanced and set schedules and all kinds of stuff. But for me, I just went into easy and hit enable. From what I understand, what this does is that if the screen is off, it disables network access for 14 minutes, turns it back on for 1, then off again for 14 etc. So, something like Gmail which is push will only be able to access the network every 15 minutes. Unless you are on WiFi. Now, if you NEED push e-mail and don't have WiFi, this isn't a very good solution. But according the stats in the app itself this has given me a 99% increase in battery life, and I believe it.
5. The trackball. This is perhaps the weirdest of my findings. The trackball light apparently can DESTROY the battery life. The other morning at around 80% I let my alarm on the phone go off and didn't stop it, so the trackball was flashing really fast. Without a couple hours the phone was completely dead. Nuts right? So I found that if I disable the trackball light when I know that I won't be able to dismiss my notifications quickly (like in a meeting or sleeping or whatnot) I'm able to avoid this happening.
6. GPS/Bluetooth. Again, this might seem very case specific, but I use bluetooth ONLY with my rokr headset when I'm on campus at night, and I use GPS only for navigation. So I keep the off when I'm not using them. With the power strip widget this isn't very difficult.
Anyway, that's it really. Like I said, maybe this is all common knowledge and I am just stupid haha. But I figured if not, I was pretty thrilled to go from 6 hours to 24 hours without having to do too much. BTW, some weird things I found didn't have an effect as much as I thought they would - 2g/3g, I actually got MORE battery life when I had 3g enabled. And WiFi was the same way, even when I didn't have a wifi connection, the difference in life with having it on or off was negligible.
Anyway, I hope this is helpful! If I remember anything else I'll add it.

I really like this guide and I'm going to use it when I get my n1. I like all (and will try) of the steps except #5.. the trackball notifications is just too sweet to ever turn off imo. Thanks for the guide.

I'm really surprised to hear that your LED light in the trackball destroyed your battery life

I don't bother killing apps anymore. Since they're not in focus their not using the CPU so whats the point. (right?)
I dont have rubbish notifications on either, nor bluetooth/GPS unless needed. Ive got auto brightness on too.... might try juicedefender in future actually, it does sound good.
So what did you triple your battery life from anyway... 12 hours?

cymru said:
So what did you triple your battery life from anyway... 12 hours?
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only about 6-8 hours.
crachel said:
I'm really surprised to hear that your LED light in the trackball destroyed your battery life
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I was too but I duplicated that scenario a few times to make sure. Also, it might matter that I am running trackball succession and color hacks.

Trackball succession is killing your battery, not the trackball light.

only about 6-8 hours.
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Oh....
Mines gets over 48 hours no problems anyway.

cymru said:
Oh....
Mines gets over 48 hours no problems anyway.
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Geez, whats your secret?

ChillRays said:
Geez, whats your secret?
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I second that, holy crap lol.

cymru said:
Oh....
Mines gets over 48 hours no problems anyway.
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!!! Were you hit by lightening as a child or something? I can only conclude your natural charge is keeping it going :->
Also - OP - nice set of tips - thanks

cymru said:
Oh....
Mines gets over 48 hours no problems anyway.
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Wow... I only get that good of a battery life if I turn my N1 off!

Are you guys being serious?!
I am indeed consistently getting 48 hours battery life...

cymru said:
Are you guys being serious?!
I am indeed consistently getting 48 hours battery life...
Click to expand...
Click to collapse
48 is on the high side of things... I usually go to bed with about 40% remaining, and put it on the charger overnight... I get up at 8AM and go to bed around 12AM. So I am getting about 26 hours out of mine.
Edit:
Accidently typed in 36 when I meant to type 26. Fixed.

I have a noob question, which this forum is how I get most of my N1 knowledge...
Which uses up more battery life, 3G or wifi?
Thanks to whoever replies.. (my best guess would be 3G)

pjcforpres said:
48 is on the high side of things... I usually go to bed with about 40% remaining, and put it on the charger overnight... I get up at 8AM and go to bed around 12AM. So I am getting about 36 hours out of mine.
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That's actually 26 hours.

muncheese said:
That's actually 26 hours.
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Which is still a lot. I'd really like to know how you are doing this. Do you make any voice calls? Do you text/e-mail a lot? Watch videos? Browse the web? Play music etc.?
I mean my usage is based on maybe an hour a day of talking on the phone, and a few hundred text messages, maybe a couple e-mails, frequent twitter/Facebook updates, and maybe a couple hours a day of playing games, watching videos, reading news etc.
I imagine if I just left the phone there it'd be close to 26-30 hours, but not with regular use.

cymru said:
I don't bother killing apps anymore. Since they're not in focus their not using the CPU so whats the point. (right?)
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Click to collapse
Erm, this is not correct, is it?
The whole point of multitasking means things still carry on when not in focus. If you leave everything running, they will all try and use data and CPU cycles, no?

Some nice suggestions there c0wb0ycliche! Thanks.
A couple of other thoughts/suggestions...
1. In the choices of kernels, pershoots is regarded as being excellent with battery life (partly from being undervolted I imagine) and the fact it's also overclocked at the same time ain't so bad either.
2. Not sure how much extra juice is saved by not using a Live Wallpaper, but if we're talking about battery savings here it might as well be said.

I would not be surprised if a large majority of people who get 25+ hrs hook onto wifi networks for a majority of the data usage. When switching to wifi the phone steps down to 2g mode for phone services.
AndyCr15 said:
Erm, this is not correct, is it?
The whole point of multitasking means things still carry on when not in focus. If you leave everything running, they will all try and use data and CPU cycles, no?
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No. Some applications have sister services that do this, but not all applications.

Namuna said:
1. In the choices of kernels, pershoots is regarded as being excellent with battery life (partly from being undervolted I imagine) and the fact it's also overclocked at the same time ain't so bad either.
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Good point, has anyone mentioned SetCPU? If you set up a profile, it will lower your clock speed to 300mhz while the screen is off. Saves quite a bit of power.

40 hours!

For those you said it can't be done it can!
First, i wanna say big thanks to IntersectRaven and his kernels you can find here:
40 hours
Light/Moderate use, lots of texts, some browsing and some calls.
here:
..still got 10% left

Have you been using the 925 or the 800?

Fking show off... Pffft! hahaha j/k bro good shyet!!!!
Enom + 0429 925mV kernel by IR = Heaven I have the same, and I go 32hours with 15% left.

S_Dot said:
For those you said it can't be done it can!
First, i wanna say big thanks to IntersectRaven and his kernels you can find here:
40 hours
Light/Moderate use, lots of texts, some browsing and some calls.
here:
..still got 10% left
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Click to collapse
You didn't use Market or WiFi or any other apps? Whats your screen brightness set at?

Sistum Id said:
You didn't use Market or WiFi or any other apps? Whats your screen brightness set at?
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Auto.. I used market actually probably downloaded and updated like 3 apps..
I dont think i hopped on wifi.. maybe once

This sounds too good to be true. The best i've had is this:
I know it could have lasted a while longer but thats when i had to charge it for the night and i highly doubt i could have stretched that anywhere near 40 hours the way i use my phone. This is with persiansown's 925 btw

S_Dot said:
Auto.. I used market actually probably downloaded and updated like 3 apps..
I dont think i hopped on wifi.. maybe once
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so now what? Using 3g is better than wifi???? =( I'm lost only because I keep hearing conflicting reports.

ChillRays said:
so now what? Using 3g is better than wifi???? =( I'm lost only because I keep hearing conflicting reports.
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Wifi uses more battery than 3G

I think i'm going to try IntersecRaven's kernel tomorrow. Anyone know what the difference is between his BFS and CFS release?

S_Dot said:
Wifi uses more battery than 3G
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This is untrue, wifi most definitely use less power than 3g.
3g eats mad battery vs wifi. .

temperbad said:
This is untrue, wifi most definitely use less power than 3g.
3g eats mad battery vs wifi. .
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see what I mean. lol.. This is what I thought. So basically Mike Tyson could get up to 60 hours if he used more wifi? Insane.

ChillRays said:
see what I mean. lol.. This is what I thought. So basically Mike Tyson could get up to 60 hours if he used more wifi? Insane.
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Sort of... 3G uses less power than WiFi in some ways, and more in others...
In general, WiFi uses less for data because it is faster and thus spends less time fully charged up. But 3G uses less power when charged, but at slower speeds, so it ends up using more... ie, WiFi uses, say, 3power x 1sec=3 where as 3G uses 2power x 2sec=4.
http://forum.xda-developers.com/showthread.php?t=669497
That is a sticky at the top of this forum, read the first post it has a chart showing what uses what.

pjcforpres said:
Sort of... 3G uses less power than WiFi in some ways, and more in others...
In general, WiFi uses less for data because it is faster and thus spends less time fully charged up. But 3G uses less power when charged, but at slower speeds, so it ends up using more... ie, WiFi uses, say, 3power x 1sec=3 where as 3G uses 2power x 2sec=4.
http://forum.xda-developers.com/showthread.php?t=669497
That is a sticky at the top of this forum, read the first post it has a chart showing what uses what.
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Click to collapse
I see, I'm starting to get it. Thanks

S_Dot said:
For those you said it can't be done it can!
First, i wanna say big thanks to IntersectRaven and his kernels you can find here:
40 hours
Light/Moderate use, lots of texts, some browsing and some calls.
here:
..still got 10% left
Click to expand...
Click to collapse
3% screen usage? Did you even use it at all? next time can you include the usage for each of the items listed in the list? would be helpful for comparisons

40 hours only?
I reached 3 days with this kernel meaning 72h and yes I used wifi,market,camera,sms... but all in light to moderate use.
My N1 is 5 weeks old so perhaps the battery cycles are beginning to make it last more too.
The minimum battery I have now is 48h when using ''Men's health'' app for an hour (lot of screen usage) while at body building.
I wonder if GPS will eat battery too fast

PhantomRampage said:
This sounds too good to be true. The best i've had is this:
I know it could have lasted a while longer but thats when i had to charge it for the night and i highly doubt i could have stretched that anywhere near 40 hours the way i use my phone. This is with persiansown's 925 btw
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Click to collapse
i kind of agree... idk man, its kind of like a "you had to be there" kind of thing

damn...this makes me wanna root...I'm using stock and hardly get upto 20hrs....My battery died, it was 10hrs nw...I only talked on it for like 30mins..piece a S*****

ram130 said:
damn...this makes me wanna root...I'm using stock and hardly get upto 20hrs....My battery died, it was 10hrs nw...I only talked on it for like 30mins..piece a S*****
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Are you sure you only used it for a 30 minute voice call? There's definitely something fishy there, it isn't normal behavior. If you have 3G on and you're in a place with bad reception a lot, or you have screen on (especially with max brightness), it can take up a lot of battery.
Install something like Spare Parts from the market which can show you battery usage history and use it to check whether you have any rogue apps running. If there's nothing suspicious there, you probably have a faulty battery. Any games using the rotation sensor even when they should be closed take up a lot of battery.

paulk_ said:
Are you sure you only used it for a 30 minute voice call? There's definitely something fishy there, it isn't normal behavior. If you have 3G on and you're in a place with bad reception a lot, or you have screen on (especially with max brightness), it can take up a lot of battery.
Install something like Spare Parts from the market which can show you battery usage history and use it to check whether you have any rogue apps running. If there's nothing suspicious there, you probably have a faulty battery. Any games using the rotation sensor even when they should be closed take up a lot of battery.
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Click to collapse
Well I'm in Manhattan, NY. Even though my signal is very strong outside(-51dBm) while in door its around -90dBm to 111dBm. SO I guess that could be a slight cause. I have it my phone on "gsm auto(PRL)" which has help. I also have the brightness on AUTO and everything else I do with this phone like texting, reading and the occasional browsing does not pass 20min. So a total of hour.
Now even after a fresh charge I loose 10% in 5hrs without every turning the screen on. This my second swap and I have 3 batteries. They all do the same thing. I just installed Spare Parts, lets see how this goes.

I have original stock rom unlocked
and currently it's been on 18 hours and I still have 77% battery left!

Battery life? Is it really that bad?

Gizmodo and MobileCrunch have pretty much bashed the battery life to make it sound like if its not on the charger, it will die in a matter of an hour or three. For the people who got one from the I/O or other means. What do you get from the phone during a normal days usage? If its that bad, have you guys use SetCPU/Locale/App Killers etc? Thanks.

With light to moderate use, it lasts through the day. A bit worse than Nexus One in that respect, but not too bad.

Agree with sergey.povzner.
Android central had a great review on this. I have heard a mixed bag of battery life. Some sounded very good some didn't. But it's the most power smartphone out there so additional drain is expected.
http://www.androidcentral.com/review-sprint-htc-evo-4g-android-smartphone

It not as good as my n1 but its close. It gets a lot better with custom roms without sense.

Uptime 10:08:35
Awake time 1:46
I had it plugged into computer for about 25 mins to transfer a movie.
I have 80% battery left.
No bluetooth, no GPS, no WIFI.

I don't have anything extra except gmail and another account frequently syncing. I get 4-5 hours of browsing and email with 4g on or off, wifi off, gps off. Standby time doesn't seem to have significant effect though I'm sure it would be measurable if you left it in standby for a day. Adequate to get me though a day, but I hardly use voice.

What if you are watching full length movie on HTC Evo, how long will the battery last (especially if I put it on airplane mode)?
I am planning to switch from from Xperia X10i to HTC Evo. My x10 has the usual battery drain problem but I have controlled it with task killer. However, I am yet to run a full movie on it. If x10's battery life has more survival time (with task killer on it of course) then HTC Evo then I might think twice.
Also can the 'task killer' improve HTC Evo's battery life?

Does anyone know if the Evo uses the HTC Touch Pro size battery like the Hero?
If so then I've already got an external charger and three extra batteries!

Honestly if anyone is that worried about battery life get another battery as a backup. Its been said many times on these forums that a HTC Touch Pro 2 and also a HTC Hero all use the same batteries as the EVO. (Confirmed). You can pick them up on ebay for around 7 or 8$. Which is pretty cheap! Nothing better than having an extra juice pack laying around waiting to be used! Hope this helps somewhat

Stunna4life888 said:
Honestly if anyone is that worried about battery life get another battery as a backup. Its been said many times on these forums that a HTC Touch Pro 2 and also a HTC Hero all use the same batteries as the EVO. (Confirmed). You can pick them up on ebay for around 7 or 8$. Which is pretty cheap! Nothing better than having an extra juice pack laying around waiting to be used! Hope this helps somewhat
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LOL we posted at the same time, thanks for answering my question! I'll keep a backup in my glove box and one in my back pocket. This method worked great with my Hero.

danknee said:
LOL we posted at the same time, thanks for answering my question! I'll keep a backup in my glove box and one in my back pocket. This method worked great with my Hero.
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Click to collapse
Great minds think a like. Ya man wont get to hot in that glove box either. Its always nice to have a little something extra especially when we will be showing this bad boy off 24/7 to anyone that wants to see it! Cant wait to "Officially" get mine lol. Im about 17 hrs and 3 minutes form my appt.

Stunna4life888 said:
Great minds think a like. Ya man wont get to hot in that glove box either. Its always nice to have a little something extra especially when we will be showing this bad boy off 24/7 to anyone that wants to see it! Cant wait to "Officially" get mine lol. Im about 17 hrs and 3 minutes form my appt.
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i'm so excited, wish I had an extra battery though, it'd be nice
8hrs 15min till i get mine!

Gotta say this thing blows my old Moment's battery out of the water... 4.5 hours hard and heavy use... 60% left - no 4G coverage area (but it was left on by accident - ooops) and no video watching, but heavy text, email, and facebook/twitter activity.

I ordered the extended slim battery from seidio.com. 1750 vs 1500. Should give a bit more in the long run.
Its been decent for me though. Just dont jack up your brightness, keep it on auto.

Wifi kills my battery. The signal never settles even though the coverage should be good all over my house.

You want to go into advanced wifi settings and change WiFi sleep policy to never otherwise your phone will shut off WiFi after 15 mins of screen being off and you'll be using 3g which will use a lot more battery.
-------------------------------------
Sent via the XDA taptalk app from my EVO

donatom3 said:
You want to go into advanced wifi settings and change WiFi sleep policy to never otherwise your phone will shut off WiFi after 15 mins of screen being off and you'll be using 3g which will use a lot more battery.
-------------------------------------
Sent via the XDA taptalk app from my EVO
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Click to collapse
Its already set to never.

Mybattery was pretty terrible. Lose 10% per 40 minutes on standby mode alone. After messing around with it for a while I discovered the culprit was the location services. I turned them off and now I lose about 2% per hour on standby.

tadda said:
Mybattery was pretty terrible. Lose 10% per 40 minutes on standby mode alone. After messing around with it for a while I discovered the culprit was the location services. I turned them off and now I lose about 2% per hour on standby.
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I'm curious, how exactly do you go about turning off the location services? Unless it's included with the GPS tab of the settings, I haven't been able to find such an option on my brother's Hero.

Mecha2142 said:
I'm curious, how exactly do you go about turning off the location services? Unless it's included with the GPS tab of the settings, I haven't been able to find such an option on my brother's Hero.
Click to expand...
Click to collapse
It's under settings , location and then location setting. This does not disable the 911 location which is good.

[BUG] Battery woes ;( ... tracking down Apps & Services Draining the Battery

The two screenshots below say it all. I didn't really tax my phone that much.
Facebook is set to update every hour (while pushing messages to me too)
Twitter is set to update every 15 minutes
Sync was on full blast
Had only two long voice calls throughout the day (1h:30min)
Screen brightness set to lowest all day
Q: Why did my battery go UP when it wasn't on a charger all day until now?
Q: Why did my battery get used LESS when it was awake more later on the day?
Q: Is this chart no longer reliable?
PS: I tried an experiment in which I turned sync and background data off at night and I checked this chart in the morning. My "Awake" state would flux at night. What's going on that's keeping my phone awake besides cell standby?

BlindWolf8 said:
The two screenshots below say it all. I didn't really tax my phone that much.
Facebook is set to update every hour (while pushing messages to me too)
Twitter is set to update every 15 minutes
Sync was on full blast
Had only two long voice calls throughout the day (1h:30min)
Screen brightness set to lowest all day
Q: Why did my battery go UP when it wasn't on a charger all day until now?
Q: Why did my battery get used LESS when it was awake more later on the day?
Q: Is this chart no longer reliable?
PS: I tried an experiment in which I turned sync and background data off at night and I checked this chart in the morning. My "Awake" state would flux at night. What's going on that's keeping my phone awake besides cell standby?
Click to expand...
Click to collapse
Sorry to intrude on your thread but regarding Facebook and its push notifications, those are independent of the notification settings? I have notifications turned off but i still get push notifications some times, not all the time but some

slowz3r said:
Sorry to intrude on your thread but regarding Facebook and its push notifications, those are independent of the notification settings? I have notifications turned off but i still get push notifications some times, not all the time but some
Click to expand...
Click to collapse
No problem at all. I'm actually wondering that myself. I seem to get them at a random interval (haven't been tracking) but it's definitely more often than one hour at a time. I don't see any setting to adjust when the app checks for new notifications. It's all very strange.

BlindWolf8 said:
No problem at all. I'm actually wondering that myself. I seem to get them at a random interval (haven't been tracking) but it's definitely more often than one hour at a time. I don't see any setting to adjust when the app checks for new notifications. It's all very strange.
Click to expand...
Click to collapse
doesnt really bug me, i turn update interveal off itself turning notifications off to try and save some battery cuz im anal like that No big deal i just didnt know if i was the only one

Battery woes ;( ... tracking down faulty Apps
Here are my first two days of use. I had auto-brightness on, and I kept on wifi when I was in range. I got pretty solid life (better than my EVO on CM6.1.1). You can see I used it fairly frequently throughout both days:

I don't have the stats to back it up but I have seen a considerable increase in battery life over my N1.

By the way, is the second battery stats screen new to Gingerbread? I don't remember it in Froyo, and I like it.

TheBiles said:
By the way, is the second battery stats screen new to Gingerbread? I don't remember it in Froyo, and I like it.
Click to expand...
Click to collapse
Yes
Sent from my Nexus S

Would you happen to have looked at the actual screen on time? Over the course of owning my Vibrant gathered that I can get about 2 and a half hours of actual use out of the phone on a single charge. I'm curious about the Nexus S.

regP said:
Would you happen to have looked at the actual screen on time? Over the course of owning my Vibrant gathered that I can get about 2 and a half hours of actual use out of the phone on a single charge. I'm curious about the Nexus S.
Click to expand...
Click to collapse
I would like to know the same thing but from what I have seem so far it looks to be the same as vibrant.

regP said:
Would you happen to have looked at the actual screen on time? Over the course of owning my Vibrant gathered that I can get about 2 and a half hours of actual use out of the phone on a single charge. I'm curious about the Nexus S.
Click to expand...
Click to collapse
I'll give it a look tonight.

regP said:
Would you happen to have looked at the actual screen on time? Over the course of owning my Vibrant gathered that I can get about 2 and a half hours of actual use out of the phone on a single charge. I'm curious about the Nexus S.
Click to expand...
Click to collapse
Wow, that sucks. I can get at least 6-7 hours of constant use out of mine(screen on time use), so long as it's not gaming or other real heavy cpu intensive programs. I average 14 hours a day. Not bad for the nexus.
Sent from my SGH-T959 using XDA App

Right now I'm at 32 minutes of screen-on time with 84% remaining.

Mine is not charging to 100% it gets to like 95% and stays there. U guys?
Sent from my Nexus S using Tapatalk

I've noticed the battery is quite good as well, but for some reason Google Maps (latest version) is using a lot of wake time... its pegged at 20% of battery, right under display which is only 25%, and the wake time says over an hour! Pretty sure google maps on my other phones didn't act like this...

ajftl said:
Mine is not charging to 100% it gets to like 95% and stays there. U guys?
Sent from my Nexus S using Tapatalk
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Click to collapse
Yeah, mine only goes up to 97% usually. You can "top it off" by unplugging when it gets to 100%, re-plugging, and repeating a few times.

This may be very hard to believe, but I got 34 hours on one complete charge. I always have the brightness on full blast too. Of course, that was on very few phone calls, but lots of downloading and text messaging though. The best I ever got on the Nexus One was 26 hours.

TheBiles said:
Yeah, mine only goes up to 97% usually. You can "top it off" by unplugging when it gets to 100%, re-plugging, and repeating a few times.
Click to expand...
Click to collapse
I noticed that too the first time I charged it. I powered the phone off then rebooted and it started charging again.

dinan said:
I've noticed the battery is quite good as well, but for some reason Google Maps (latest version) is using a lot of wake time... its pegged at 20% of battery, right under display which is only 25%, and the wake time says over an hour! Pretty sure google maps on my other phones didn't act like this...
Click to expand...
Click to collapse
Do you have it set for navigation? That stays on even when you switch to another app.

Help, google voice update sucked my battery dry.
I just installed a google voice update on my NS. After I installed it I notice a big drop in my battery, and soon there after my battery was dead. Any ideas why?? I have since removed the update, and everything seems back to normal.

Airplane Mode Standby = 1200 hours.

I lost 10% in 5 days or 120 hours on airplane mode and 99% idle.
1200 hours = 50 days.
Just a fun fact.

I already posted something like that, but no one would believe me. They were all like pics or it didn't happen.

But who puts there G2 in airplane mode for 5 days? Of course if your not using the phone the battery would last longer anyways. Disabling the radio would only add to that but guess I'm not seeing the point of having a cell phone then.
Now 5 days battery life with the phone being used now that I'm interested in.
Sent from my CM7 powered G2

This statement would be true if the battery charge drops in a linear manner but it is not the case.

greenstuffs said:
This statement would be true if the battery charge drops in a linear manner but it is not the case.
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If the battery calibration is good, it should be more or less linear. The differences are, of course, irrelevant... since it'll be a whole bunch of days either way.

userfriendlyme said:
But who puts there G2 in airplane mode for 5 days? Of course if your not using the phone the battery would last longer anyways. Disabling the radio would only add to that but guess I'm not seeing the point of having a cell phone then.
Now 5 days battery life with the phone being used now that I'm interested in.
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Well... if you're going somewhere that you know you don't have signal... no point in keeping the radios on.
Or if you're "away" and don't want to be disturbed, but want to have the phone in case of emergency.
There are lots of reasons to shut the radio off.

Hah 5 days that's crazy

Why not just power off the phone?

Hot_Hands said:
Why not just power off the phone?
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So you have it on for whatever you need to do that doesn't require a radio. No one enjoys booting their phone on and off like that.
Sent from my HTC Vision using XDA App

userfriendlyme said:
But who puts there G2 in airplane mode for 5 days?
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When you travel and you dont want to pay fees? This is what I done for me.