Database Users

For those wondering about battery life

I have this phone and the Nexus one. I can't tell you for sure what real world use gets you, but here's what I found today.
I had a class to go to. I took my MT3GS with me to the class. I have the HTC Flip Clock, as well as twitter, my texts, GPS on and minimal use during the breaks, and Silent Time Pro keeping it silent. I got home and my phone was at 96%.
My Nexus was left at the house. It has Beautiful Widgets updating the weather every hour. It has no facebook, no twitter, nothing that will sync other than my email. GPS and WiFi were off, as was the display. The only thing running on the phone besides beautiful widgets was Silent Time Pro. When I got home, I checked my N1, and it had fallen to 69% with absolutely no usage while I was gone.
Like I said, I dunno what real world use would get you on the MT3GS, but it seems far superior to the N1 at this point. All things considered, I think the N1 even with the faster processor should have fared better, as it wasn't used and basically nothing was on, as opposed to the MT3GS having GPS, a few things syncing, a few texts, and more programs running in the background.
This (to me) either means that A) The MT3GS manages power better OR B) Beautiful Widgets takes up far to much processor and battery power. Maybe I'll test it on my MT3GS later this week when I have some time off and see.
Anyway, there's my opinion. Take it for what you will.

I'm running the HTC flip clock, a few toggle widgets, the FeedR widget, Taskiller widget, and a calendar widget, and from fully charged to the end of my work day (few songs, few youtube vids, some texting, browsing facebook, etc etc) by battery is at about 25 percent.
I hate to say it, but my old Motorola Cliq would play Pandora through my entire work shift and still leave me with as much or more battery life than the slide does.
Honestly, not impressed with battery life so far.

My battery life has been ok, not great, some facebook, some twitter, a few hundred texts. some interwebbing. I can get around 10-12 hours from a charge it seems. which in my opinion is crap lol. i had a rooted cliq before this that was running only the basics in the background(killed all the bloatware and extra crap), i could get almost 2 days outta that thing.
I thinks once we get root and kill all the bloat and stuff running in the background, battery life will go through the roof. A vanilla 2.1 or 2.2 will prolly do wonders for battery life.
just my 2 cents

i0nicx said:
My battery life has been ok, not great, some facebook, some twitter, a few hundred texts. some interwebbing. I can get around 10-12 hours from a charge it seems. which in my opinion is crap lol. i had a rooted cliq before this that was running only the basics in the background(killed all the bloatware and extra crap), i could get almost 2 days outta that thing.
I thinks once we get root and kill all the bloat and stuff running in the background, battery life will go through the roof. A vanilla 2.1 or 2.2 will prolly do wonders for battery life.
just my 2 cents
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I almost feel like raising my hand and calling bs on 2 days with the cliq'r but i dont know you.
the cliq i used would get about 10 hours with use and 19 or so without use.
my g1 would get about 9 - 18
the mytouch 10 - 18
the old garbage samsung flip and sony flip phones 2 - 3 days.
this slide im averaging 10 - 12 with heavy use and 17 - 19 without much use.
keep in mind only had it for 2 - 3 days since release date but i did drain the battery and recharge it a few times the first day to break it in.
so far id say its about average on battery life.
i charge overnight
then either while driving, or working
then i connect to pc at home
with a full battery in the morning
and a slight top off mid day i never run out of battery life.

Hehe with my cliq I only had only the essentials running(there's a few custom roms out). So it went for almost 2 days. You can get the roms off modmymoto forums if you wanna check em out. The key to the cliq is killing motoblur =). Pm me if you want info shadow

I'm happy with battery life. First day I played with a lot, browsed a bunch and installed many apps and got around 12 hours(most I'd ever get from G1). Today I'm going on almost 24, took it off the charger at 4am after letting it fully charge, didnt start using it till around 10am and at 10am the battery still read 100% which I thought was wrong. Right now its at 17% (still havent gotten the 15% warning) at 1:30am, I'm sure it'll make it till 4. Sent around 50 text today, installed around two apps, and didnt do much voice talking or browsing but I did at least a good 30 mins worth from both. I periodically kill all with advanced task manager (except sense).

i charge overnight
then either while driving, or working
then i connect to pc at home
with a full battery in the morning
and a slight top off mid day i never run out of battery life.
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Amen. I carry a 3 in. USB to Micro USB cord that charges me at home, in my car and at work.
Those that are disapponted by the battery life are being unrealistic with their expectations. Power is too easy to come by to waste time *****ing about it. Makes you look too lazy or good to plug it in.
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Sent from my T-Mobile myTouch 3G Slide

I purchased mine yesterday,and it sat on the charger overnight, and read a full charge in the morning.
6 hours 42 minutes later, it gave me a "battery life is at 26%" warning. WiFi, bluetooth and GPS were all off (all day)
I have it setup to check my email and facebook, but I had my Kaiser doing that and more for 2 days at a time with a smaller battery...
Usage-
55% Display (was set to auto)
32% Voice calls (20m 21s)
9% cell standby (6h 44m 59s)
4% Phone Idle (5h 10m 4s)
This seems absurd! If tomorrow doesn't do better, I'm taking it back.

rebelbanker said:
Amen. I carry a 3 in. USB to Micro USB cord that charges me at home, in my car and at work.
Those that are disapponted by the battery life are being unrealistic with their expectations. Power is too easy to come by to waste time *****ing about it. Makes you look too lazy or good to plug it in.
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Sent from my T-Mobile myTouch 3G Slide
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.Realistic ... I never expect an electrical device that CONSTINTLY draws power to have a great battery, I dont race my car all day or let it idle in my driveway and wonder why theres no gas in the tank. a battery holds a resorce that regardless if yo like it or not .. will deplete over time. Advanced task killer is a great tool to get rid of th7e programs rnning in th7e back grond. to save batt life.
.Sorry for any mispellings, my laptops keyboard is taking a crap on me after it got rained on last night.

shadowmike said:
.Realistic ... I never expect an electrical device that CONSTINTLY draws power to have a great battery, I dont race my car all day or let it idle in my driveway and wonder why theres no gas in the tank. a battery holds a resorce that regardless if yo like it or not .. will deplete over time. Advanced task killer is a great tool to get rid of th7e programs rnning in th7e back grond. to save batt life.
.Sorry for any mispellings, my laptops keyboard is taking a crap on me after it got rained on last night.
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I don't think my expectations were high. Most people outside our community think "only a day" is bad battery life. I expected to be able to make it through 1 day without going dead. Being 3/4 drained after only ~20 minutes of talk time is absurd, especially since I didn't use the web or IM, etc. Just POP3 email every 30 minutes, and I uploaded 4 or 5 photos to facebook.
No Wifi, bluetooth, or GPS...

I just wanted to come back and reply now that I've had a couple days to play with the phone. I've been using it for about 16 hours straight now, quite a few texts, 5-6 short phone calls, and maybe 20 minutes of 3G usage, I'm at 66%. I haven't had this phone on the charger at all.
On the other hand, my Nexus, which has been on the charger all except maybe 2 hours in that same amount of time is already at 88%.
I think we have a clear winner in the battery life category. At least from my tests.

I am certain now that I have a defective phone.
I killed all running tasks, manually logged out of all IM clinents, etc, and then took it off the charger. I've made 12 minutes of calls today, it's only been unplugged for 4 1/2 hours and it's at ~%60 battery life.
12 minutes? Thats got to be a defect.
But, they are apparently out of stock... I might end up with a Touch Pro 2 or a HD2 after all...

Definitely not right .. I'm at 85 percent since 9am (7pm now), light use again though but its stand-by time is impeccable.. try and get another one, I can tell you the HD2 battery life is much, much worse, my father got it at the same time I got the slide and he's charging 2x a day. Mind you this guy would go the entire day with bluetooth,wifi, and gps on his G1. Oh and the usability of windows, well its just blah.. not trying to be biased at all. I have my brightness at 30 percent, syncng gmail only, and for widgets I have the curvefish battery widget, pure calander widget, power widget, and audiomanger. No bluetooth, gps or wifi on.
Have you tried going into the about phone in settings, and seeing whats draining the battery (click battery use)? See what cell standby is. Are you using 3g? May I suggest downloading anycut > new shortcut, activity, phone info. From there, open the short cut and you can adjust if you want 3g only (wcdma) or edge (gsm) only. Try setting it at one of the only settings, your phone might be dropping and picking up signal.

First post here, Hello World!
I have had mind for almost a week now. At first I was averaging about 1/2 day on a full charge. This was with Gmail syncing, no WIFI/GPS/BT on. Mild surfing, about a dozen SMS and 15 minutes of talk time.
I installed Advanced Task Killer and set it to shut off my apps on screen close. I am now able to go 17 hours ( a full day for me ) and I still have 15% left. This was with BT on for about 30 minutes of talk time, WIFI on for about 1 hour at the office, GPS on for clock/weather updates every 3 hours.
Overall, I am happy with the battery life on this device now. I am wondering if it took a while for the battery to calibrate and ATK helping with running apps.
I love this phone!

RoastGecko said:
I am certain now that I have a defective phone.
I killed all running tasks, manually logged out of all IM clinents, etc, and then took it off the charger. I've made 12 minutes of calls today, it's only been unplugged for 4 1/2 hours and it's at ~%60 battery life.
12 minutes? Thats got to be a defect.
But, they are apparently out of stock... I might end up with a Touch Pro 2 or a HD2 after all...
Click to expand...
Click to collapse
Sounds about like me. I don't use my phone to call much (go figure) but I listened to 15 min. of music, logged onto facebook for 10 minutes (3g) and sent probably 15 texts, and I was at about 65% in the 5 hours I had it unplugged.

chrisinaz said:
Sounds about like me. I don't use my phone to call much (go figure) but I listened to 15 min. of music, logged onto facebook for 10 minutes (3g) and sent probably 15 texts, and I was at about 65% in the 5 hours I had it unplugged.
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Here's a question, Did you all plug it in and let it charge to full when you got it BEFORE using it?

Sure did. Ive made that mistake before, but I do that with all phones now, even though with a lithium battery, it shouldn't make that much difference.

chrisinaz said:
Sure did. Ive made that mistake before, but I do that with all phones now, even though with a lithium battery, it shouldn't make that much difference.
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Yea, I guess im just superstitious but I always do that with a new device. Have you tried recalibrating the battery? Charge to full, leave plugged in for like an hour after it says it's fully charged, wipe battery status, reboot, use normally? (if you can wipe battery status int he menu's without root) I'm picking my MYT3G slide up this weekend so I don't know if it can be done or not yet.

i think the battery life is great, i take the phone off of the charger around 9am. while im at work from 11aM-7pM i check my updates every hr or so. from 2-330 i listen to music also on my way home(7-8) and when i finally get back home round 8ish my battery is at about 58% then around midnight i get the 30% message. around 130-2am its at about 12% so i get 17hrs with medium usage

My battery life isn't too bad. 17+ hours since unplugged of moderate use (but only like 1% left): Display 41% (on Auto), Wi-Fi 25% (worked at home, kept on wifi for data instead of 3G), Voice Calls 22% (35 minutes; 14 calls), Standby 8% and Idle 4%. I think if you're more active in process management, it will help with life. I also just switched Brightness from Auto to a manual setting of about 20%. I un-synced Tweet and Weather and am running very few widgets, but keep GPS on. My K9 Mail syncs on an hourly basis and Gmail with Calendar and Contacts auto-syncs. Overall, MUCH better than G1.

15 minutes of voice call eats 16% battery =/

I keep hearing some people claim how "great" their Vibrant's battery is. I am on my third Vibrant and battery life has been terrible on all of them. Just recently I noticed ~16% of my battery got drained for ~15 minute voice call. (The attached screenshot shows voice call using 27% but at that time my battery was at around 39%, which means the 15 mins took about ~16% total battery.) I just passed my 14-days buyer's remorse, so exchanging it (unless I want a "like new" one) or returning it are not an option. Any suggestions on how to improve battery life? I already keep the brightness on the screen to the lowest it gets.
Thanks!

Hmm that defintely is not normal. I would check with the store in getting another replacement. 15% drain on 15 min call is not normal for any phone.

There is a bug where if you power down the phone while it's charging, then the reported battery % is higher than actual. Perhaps the seemingly fast drain is a result of the reported value "catching up" to the actual level.

Edit: So I figured out where you're getting your numbers .
Still doesn't seem right though, did you notice the battery percentage before the call by any chance?

Chalup said:
There is a bug where if you power down the phone while it's charging, then the reported battery % is higher than actual. Perhaps the seemingly fast drain is a result of the reported value "catching up" to the actual level.
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My rooted G1 had that same bug. Start charging it, power it down, power up and from completely dead it would show around. 24% in a couple minutes of charging. This phone I've noticed does it as well as newer blackberry's. Bizarre...
What I would suggest is draining the battery till it dies, charge it back up fully and see if you can have it happen again. Could've been a fluke.
Sent from my awesome Vibrant using XDA App

DarkAgent said:
I keep hearing some people claim how "great" their Vibrant's battery is. I am on my third Vibrant and battery life has been terrible on all of them. Just recently I noticed ~16% of my battery got drained for ~15 minute voice call. (The attached screenshot shows voice call using 27% but at that time my battery was at around 39%, which means the 15 mins took about ~16% total battery.) I just passed my 14-days buyer's remorse, so exchanging it (unless I want a "like new" one) or returning it are not an option. Any suggestions on how to improve battery life? I already keep the brightness on the screen to the lowest it gets.
Thanks!
Click to expand...
Click to collapse
looks like a bad battery reading to me.
Complete charge, complete discharge, and complete charge should reset it.

Yeah the percentages do need to be calibrated and sometimes they are off a bit, say 100%-90% actually often goes faster than 80%-70%.
The batteries are also partly responsible since discharge Ah is not a completely linear relationship with voltage (which is why the percentages need calibration).
I would say unless you have a rogue application on your phone eating battery it is more likely just how it is being reported.

bchalk said:
Yeah the percentages do need to be calibrated and sometimes they are off a bit, say 100%-90% actually often goes faster than 80%-70%.
The batteries are also partly responsible since discharge Ah is not a completely linear relationship with voltage (which is why the percentages need calibration).
I would say unless you have a rogue application on your phone eating battery it is more likely just how it is being reported.
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So if battery A has x% greater mAh than battery B it does not mean A has x% greater battery life?

Chalup said:
So if battery A has x% greater mAh than battery B it does not mean A has x% greater battery life?
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Yes, if the phones are identical.
Sent from my SGH-T959 using XDA App

I'm having same issue. Battery life on my Vibrant is just horrible. I can barely go half a day until it's fully discharged and that's about 30 min talk time an hr maybe browsing apps and internet and a little WIFI/BT. Just for example I charged it after complete discharge and took it out at 11.30 pm last night, drove my brother to the airport and back around 1.30 and while it was sitting in the car and a few calls I made, it already went down to 74%, I purposely left it without charge till morning.... at 8am it was showing 47%... WTF!!
I have rooted the phone with update.zip, I have installed ATK and have Crazy settings on it.... one thing I don't get is that after it kills apps, they keep coming back every few seconds. Also brightness is at the lowest and no live wallpaper...
UltimateJuice by the way is showing 1.58 times, which is BS... right now it's 10.30AM and its down to 38%....
Any help would be appreciated!

Try not using atk

Chalup said:
Try not using atk
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This
Sent from my SGH-T959 using XDA App

http://phandroid.com/2010/08/25/dro...roid-phone-battery-life-comparisons/#comments
Vibrant's battery life does suck, even with the supposedly power efficient processor and super amoled!!!!!!
Samsung has some more work to do. Hopefully, the froyo update can alleviate the problem!!!

M5devil said:
I have rooted the phone with update.zip, I have installed ATK and have Crazy settings on it.... one thing I don't get is that after it kills apps, they keep coming back every few seconds. Also brightness is at the lowest and no live wallpaper...
UltimateJuice by the way is showing 1.58 times, which is BS... right now it's 10.30AM and its down to 38%....
Any help would be appreciated!
Click to expand...
Click to collapse
Read this first.
http://android-developers.blogspot.com/2010/04/multitasking-android-way.html
Anytime the screen is on its eating battery. We have the best screen in the market. If you really want a conservative wallpaper use something almost all black or solid black. When a AMOLED screen is displaying black the LEDs are off.
For those "apps that keep showing up" those are due services that are running in the background. If you don't use the app often set the notifications to a lower time or set it to update manually.
If you've rooted there is a thread on "how to keep your phone quick and snappy" read it. Also fix your permissions through recovery. Rogue apps apps can drain battery.
after 3hrs of on & off hard using (minus extra long phone calls >45mins) I can pull 12-16 hours easily on one charge.
Look into things like eugenes vibrant 6 & JACs UV(under volted) kernel.
GL and car chargers are awesome!
Vibe the XDApp

Battery life on my Vibrant has been superb. You might need to change settings or something. This screen shot was for today with lots of calls and market shopping and I even watched a movie. I do not use a killer, yes I'm rooted with lots of tweaks to my notification bar. I'm using the spiritbomb lwp and its been great.
Sent from my SGH-T959 using XDA App

Unfortunately, the battery life on the Vibrant just sucks, compared to the iPhone.
I came to a Galaxy S and a Vibrant form the iPhone 3Gs.
With the same style of usage, the iPhone lasts at least 40% longer than the Galaxy/Vibrant.
I like the phone a lot, but am really unhappy to have to constantly think about how I use it, to avoid it dying on me before the end of the day.
Basically, with moderate use, it will last for a day, but if I go out after work and do a little texting or take a few pictures, it will die before I get home.
12-14 hours is really not good, since with my old iPhone I used to be able to last almost two full days without recharging.
Plus, the blocking of the camera at 15% of battery life is a truly idiotic decision by Samsung.

Thanks for your feedback! I am newbie in the Android world, as I come from the Apple planet. It just takes time to get used to it.
As for XDA App, where can I get it?

jesrazo said:
Battery life on my Vibrant has been superb. You might need to change settings or something. This screen shot was for today with lots of calls and market shopping and I even watched a movie. I do not use a killer, yes I'm rooted with lots of tweaks to my notification bar. I'm using the spiritbomb lwp and its been great.
Sent from my SGH-T959 using XDA App
Click to expand...
Click to collapse
I am looking into the mod for the notification bar, specifically the battery. I have seen a circle battery with percentage, where do I get one?

XDA is your Friend
Search XDA for all ur app and theme needs, as for the Iphone being better on battery. I dont doubt its better, but from my experience and many family and friends showing me there iphones they are always tethered to a power source. Theres no better test than driving 300+ miles a day every day and coming back to the hotel and seeing my phone tell me i have been using it for 20+ hours and i still have 25% charge. I am constantly using my phone for calls, text, movies and such. Without my phone my wife would probably divorce me lol The amount of travel i do via plane, train and automobile is all the real world facts i need. Vibrant is a keeper.

Yes it sucks.
And under 15% it's not allowing me taking pictures!
Come on, I know I am under 15%, but I still want to take 1 or 2 pic!!

The official vibrant battery life sux thread

As we all know the battery life sux...... I have tried everything replaced battery, replaced device, tried different roms. But the battery still drains like water. I miss iphone in this case. I think i will be selling this vibrant on ebay. May b i will get nexus one again

Thanks for creating an 'official' thread for this. I was worried that one of the 1000 battery threads weren't the official ones.
Sent from my SGH-T959 using XDA App

disturkis4u said:
Thanks for creating an 'official' thread for this. I was worried that one of the 1000 battery threads weren't the official ones.
Sent from my SGH-T959 using XDA App
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well now people wont have to create another 1000 because they can use this one.

Congratulations on your first post... and its a complaint. This isn't your blog :\

My battery life ain't bad.
Have fun on that nexus with that washed out smiled screen that can't properly detect mt ..

smashpunks said:
My battery life ain't bad.
Have fun on that nexus with that washed out smiled screen that can't properly detect mt ..
Click to expand...
Click to collapse
=) don't you love swype?
Sent from my SGH-T959 using XDA App

you're doing it wrong.
i've been unplugged for 1 day, 6 hours... and i'm sitting at just under 30%
i've been using wifi at work a lot though, so not much 3g data being pumped
edit: and good luck getting better battery life with the nexus!

How you pulled that off?
Sent from my SGH-T959 using XDA App

Try not having a bunch of apps like email running that are constantly pulling data.
Evil Apps
GMAIL
Email
Facebook
Twitter
Any IM Client
Pandora

lolcopter said:
you're doing it wrong.
i've been unplugged for 1 day, 6 hours... and i'm sitting at just under 30%
i've been using wifi at work a lot though, so not much 3g data being pumped
edit: and good luck getting better battery life with the nexus!
Click to expand...
Click to collapse
what u mean i m doing it wrong

To be fair, running a smartphone without e-mail synced would sort of defeat the purpose (for many). Though to the point of this "official" thread -- I'm thankfully happy with the battery life on my Vibrant, and I have Gmail, Twitter, etc. running.

Let me guess you don't drain your phones battery either during its first use and let it completely charge up (while off) to 100%.
I did this with my wifes and mine. This has been the best battery life I've had out of a smart phone to date. I've gone up to 36 hours on one full charge. However normal is 18 hours then I charge when I go to bed and I don't even have the warning that my battery is dying.

I hate restarting my phone, it always resets my battery stats. I love seeing how long I can go .
I'm glad we have an official thread now.

ZombieDude00 said:
Let me guess you don't drain your phones battery either during its first use and let it completely charge up (while off) to 100%.
I did this with my wifes and mine. This has been the best battery life I've had out of a smart phone to date. I've gone up to 36 hours on one full charge. However normal is 18 hours then I charge when I go to bed and I don't even have the warning that my battery is dying.
Click to expand...
Click to collapse
can i still do this? and does it matter if i charge it with wall charger or the usb?

ZombieDude00 said:
Let me guess you don't drain your phones battery either during its first use and let it completely charge up (while off) to 100%.
Click to expand...
Click to collapse
I've read that this isn't necessary with Li-ion batteries (and in fact completely draining can be bad, though phones have a built-in protection mechanism to prevent total discharge)?

I will add that I briefly owned a Nexus One, and find the Vibrant's battery life to be much better... but "YMMV," i guess

completely draining IS bad, but our phone cuts off before this should be an issue (hence why, even if dead, you can still cut your phone on... though for not very long, this is not advised).
That said, the Vibrant has had VERY good battery life for me.... I also think the OP is "doing it wrong."

Seriously. How much do you do on the phone. The only way I drain this thing is surfing and downloading. I dont really have a lot of widgets. I guess if ur running alot of stuff you'll be burning battery life
Sent from my SGH-T959 using XDA App

2012iawait said:
As we all know the battery life sux...... I have tried everything replaced battery, replaced device, tried different roms. But the battery still drains like water. I miss iphone in this case. I think i will be selling this vibrant on ebay. May b i will get nexus one again
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Click to collapse
Changed battery, changed device, changed ROMS. Only two things I see in common, the Vibrant and you. Personally I haven't had any issues with the Vibrant.
Just checked my battery status.
70%, unplugged for 8h 7m 38s
Display - 25%
Mediaserver - 24%
Cell Standby - 23%
CPU usage for Mediaserver - 1h 15m
Approx 1 hour of music and 5 podcasts.
Applications that I'm running that sync:
Facebook
Gmail
Google Voice
Google Talk (usually intercepts the first message then focus switches to my Desktop client)
Email via personal IMAP server (synced every 30minutes)
Yahoo Fantasy Football App
Mint App

bought the phone last week, charged to 100% with the phone off then began using it non-stop. the battery wasn't that great at first, but i have since gone through about 2-3 full cycle charges, usually draining the phone until shutoff, then leaving it on USB charge overnight. charged to 100% by the morning, then i would turn the phone on and charge a bit more until it read 100% while on. since then i have charged a couple times with the phone on, here and there. my last charge was with the phone off, wall charged overnight. no top off needed.
all syncing and background data turned on
use wifi at work, set to never turn off
3g disabled unless i need it
auto brightness
settings > sound and display > DISABLE "power saving mode"
use black.png background because i like how dark it is
don't use any data grabbing widgets
it's been 32+ hours since i last unplugged and i'm sitting at 22%
two full days use off a single charge is a-okay in my book! other peoples' use may vary, but this is my personal setup. i think doing a couple of full cycle charges in the beginning really helps. i'm completely satisfied with my current battery life, even with all the speed tests, wifi/3g surfing, and goofing around with the GPS

[Q] Battery Life so far?? Report!!

Hey new myTouch 4G owners. I know your loving your phone so far but I and many others want to know one thing. How is your battery life so far? Compared to your previous phone?? and have it manage a day through your heavy usage yet?
Thanks!
P.S: if you can, report your "display" on time or just take a picture of "battery use" ..

I use the "Battery Left Widget". It's about 80% calibrated right now, reporting that my full battery life (based on my usage) is roughly 15 1/2 hours.
Having used the same widget on the Nexus One, I'd say it's pretty much right in line with what I was getting there.

Hmm I guess no great battery life then?

I must say though that my phone probably isn't the best representative for battery life... Reception here at work is weak, causing the phone to boost it's power output.
When I am at home, I get much better battery life.

I picked my phone up on the morning of launch and I'm still on my first charge (15% left). I've used it for calls, texts, pictures, videos, apps & widgets and I installed the ota update. I've had great battery life so far.

PrisonerOfDoom said:
I picked my phone up on the morning of launch and I'm still on my first charge (15% left). I've used it for calls, texts, pictures, videos, apps & widgets and I installed the ota update. I've had great battery life so far.
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Click to collapse
Mine only came about 60% charged.
So far my battery has been the best of any android phone so far (Nexus -> G2 -> MyTouch 4G). I have about 10 sync accounts going (2 gmail, facebook, rss feeds, etc) and with moderate use I have 40% or so at the end of a day. Screen is on auto, quite usable in any light.

Wow..not bad..so what are your display on time saying? It's in the battery use section, click on display.

guess not then

my battery is ****. I had to charge it half way through the day, but I'm an android noobie and lookin to get this thing going easily a whole day hopefully.

my battery life is ok. doesnt last the whole day for me but i text a lot make some phone calls and download apps and play games like assassins creed and nova.

The battery will need a few charging cycles to reach its full potential. I'd recommend fully discharging and fully charging it the first few times (and every so often after a few weeks of use). You probably won't get the most representative results on day 2 after launch. Was the same for my Nexus and G2
Sent from my HTC Glacier using XDA App

Sent from my HTC Glacier using XDA App
Oh ok i will have to try that out. I usually charge my phone when it gets down to 20 percent. But i left it fully charge over night

Mine seems about 4 hours shy of my G2.
My weekdays are 20hrs on G2 and about 16 on mT
Weekends are about 12 hrs on G2 and about 8 on mT

Amazing in terms of any other android phone I've owned.. Without a task killer
Sent from my HTC Glacier using XDA App

For some reason when it's rooted it lasts longer. If I don't root it the battery goes fast.
myTouch4G (Glacier)

i fully discharged when i got the phone and charged it over night. I went to an air show today and unplugged it around 9. its now 10 and i still have 25% left
(i uploaded pics to my blog and facebook, made calls, got text, checked football scores, and used google maps)
i'm impressed. Way better then when i had my EVO

everyone is giving answers as either "my battery life is great" or "my battery life sucks" but that doesnt really say anything... your battery life is gonna be amazing if you dim the screen to zero and dont use data :/ its all gonna be on how you use the phone and everyones gonna use the phone differently...
bottom line... the answer to this question just has to many variables

I am happy with battery life so far... while not analytical, I am getting as good or better tham MTG3. I was able to play Monopoly for an hour and the better was still 3/4.

I bought the MT this past Wed and when I bought it, the level was at about 40-50%. I was messing around with it, adjusting it and it lasted for a good 3-4 hours with the factory charge.
I let it die then fully charge and removed it from the charger. That charge held from 5am all the way until 1am the that late evening with regular use. It died and again I did a charge and disconnect.
I have done this same cycle for the last 3 days and right now. I can consistently keep a high charge for the most part of the day with average use. I disconnected the charger this morning at about 1 am, and here I sit now at 945pm with still over 75% charge.
Seems like this phone really likes the power cycles right now. Full to dead, recharge then remove until dead...etc.
Since Wed afternoon, I have charged my phone only 3 times since purchase, and right now it is Sat night. This is with average use, brightness set about 25%, auto sync only for email, weather, tmobile and no task killer used

You must remember this phone is using a powerful 1Ghz snapdragon, with a small battery. By default android uses the governor called ondemand, in other words it automatically shoots up to max freq during use. But once the 4G is rooted, you can use SetCpu to make changes, tmo will probably make an update though to address the issue. I can't really see extended batteries being made to small without needing a new back. I'm considering the 4G, I currently use both phones in my sig, my slide can get 2 days max, my G1 around 10hrs. It all depends on how you use the phone.
tips:
-turn down brightness
-turn off gps/Bt/wifi
-switch to 2g/3g/H depending on signal
-dial *#*#4636#*#* to modify radio settings(2g/3g/etc)
-turn off background updates(twitt/fb/flickr/etc)

Battery, it's now time to exchange you!

I'm so giddy right now. I've ordered an OEM battery for my Vibrant, and i should be getting it any day now. The reason for me ordering a new battery is limited usage time. Lately when flashing any ROM, I make sure It is at 100% charged. I will normally get about 4.5 or less hours of usage - using a little app named 'Battery Left'.
I don't use a task killer. Ever. I know this has some controversy signed to this, but the Android OS is engineered without issue regarding this.
I Use WiFi whenever I can (uses a fraction of the power 3G radios use). When I CAN'T use WiFi, I make sure it's turned off so it's not wasting power scanning for hotspots.
I make sure GPS is off whenever i'm not using it.
I set display timeout to 30 seconds, set brightness to Auto, or manual and the lowest. Little trick, if Brightness is on manual, you can adjust it on the fly by swiping left or right across the task bar.
I let the battery TOTALLY discharge at least once (twice is better) and then charge to full. This doesn't condition the battery, this just calibrates the battery metering software, so that it knows for sure where zero is, making the metering more accurate.
I try to use a darker colored wallpaper, blacks and reds and deep greens and blues use less power than lighter tones, and white is the worst.
I get a half-day out of my rooted Vibrant on T-Mobile, and I actually use it as a phone (amazing huh?), PDA, game machine, ebook reader, etc, it's not just in my pocket on standby. Battery life has nothing to do with it being unlocked/rooted.
I understand the biggest reason why people think THEIR particular smartphone has some sort of battery problem: They just got it, and are using the hell out of it. We tend to not set it down in the first few days/weeks, we're always fiddling with it, showing it to our friends and co-workers, etc. Once the new and shiny wears off, and we settle into more "normal" usage patterns, we start noticing that we get a lot more battery life out of the device. Some people think that the battery is now "broken in", but the truth is, the USER is broken in.
Some of my POWER hungry apps I use on a daily basis is 'SportsTracker' which I use riding my bicycle to and from work (7.3 miles one way). SportsTrack uses my GPS and tracks my ride in REAL time. It sends a link to Facebook and Twitter, where my friends, and family can watch me go. This app uses about 17% of my battery - one way. So, at the end of the day, just using SportsTracker it uses at least 35% of my battery.
Speaking to the heavy users, how many hours do you normally get using your Vibrant?

With 20-30 calls a day, 20-50 texts, dozen or so emails and listening to music and just geeking on the phone Axura 30 hrs before it is 15% Trigger 24 hrs before 15%, but then, that's how it works for me. Since I got rid of stock roms, I have had ZERO battery problems, I only use Task manager. Deleted all the bloat and I have screen set to 50%. Battery is no longer an issue

With Bionyx 1.3 I let the phone sit idle (exchange email running in the background though) from 8AM and till 4PM it took only 15%
Skype+music+movie for around 1 hours and it's down 15% more (now 70%)
I guess it'll last 1.5 day normal use and 2 days idle use

oka1 said:
With 20-30 calls a day, 20-50 texts, dozen or so emails and listening to music and just geeking on the phone Axura 30 hrs before it is 15% Trigger 24 hrs before 15%, but then, that's how it works for me. Since I got rid of stock roms, I have had ZERO battery problems, I only use Task manager. Deleted all the bloat and I have screen set to 50%. Battery is no longer an issue
Click to expand...
Click to collapse
That's a great battery life. My bionix eats more battery on almost the same usage. I have around 76 user apps installed and some bloater. One thing I have noticed using system panel is when I sleep, my phone sleeps with me and uses an average of 1% battery per hour. Is that good? I still I think im not getting optimal battery life when im actually using the phone.
Sent from my Samsung Vibrant (Bionix-V 1.2.1) using XDA Premium app

You guys think that's good battery life? Nah, this is good battery life.

I always got 20-30hours a charge with most of the Bionix roms. However with Bionox 1.3 I struggle to get more than 12 hours with the same usage. I did notice that new app BLN (using your soft keys as notifications) was reported on some other roms as a battery drainer, so I have uninstalled via Titanium. I will report back tomorrow if that is the issue. I still use KA5 modem, so that part has always been a constant

Weird. I'm on 1.3 as well. I'm 15 hours into my charge with normal usage on 3G/WiFi and I've got 25% left.
Sent from my SGH-T959 using Tapatalk

I'm 15hrs in running Bionix-v 1.2 and i have 42% left. That's with GPS on all day....phone in pocket from unplugging to about 3:30pm. Then only light use.
Days that I use heavily I'll have to plug in around 4pm. I'm not too happy with my battery life. I love my phone...but my old iPhone 3G had top notch battery life! lasting 3 days without charging.
Is it not weird how these times fluctuate so much between users?
Will the new Galaxy S 4G battery fit in our phones? Or will it even be worth it?

Do you have the superpower app? It saves my battery big time when phone is sleeping.
Sent from my Vibrant running Bionix V 1.3 using XDA App

I ordered a batter charger, two spare regular batteries and one spare extended battery last month for my vibrant.
Now I keep a spare charged battery in my pocket and I no longer have to plug my phone in anywhere I go. I just swap batteries and put the dead one on the charger when I get back home.
If I am going to be away from home for more than 24 hours then I put in the extended battery which gives me about 2 days worth of use.
Its a bit of a pain to have to be down for a minute when the battery is dying, but I am more content using the phone this way since I can now keep it with me instead of leaving it upstairs or on my office desk to charge.

My phone is on the stock KA6 kies and from 8-8:30 it is off the charger on 3G. When I get to work it is on WIFI with WIFI Calling(no signal indoors) from 8:30-12:00 and goes back on 3G. then at 12:30 it goes back on WIFI(calling) and sits like that till 5:00. Usage during that time, some email viewing, 10 txt or so, 5 min phone calls and that is it!! from full charge at 8am to 5 pm I'll be at 45-50% battery left and what you read above is all I do with it all day. Battery life is horrible. Not much I can do(unless someone has an idea to fix the issue) as I need WIFI calling otherwise why have a cell phone?

Food for thought
My phone is on the stock KA6 kies and from 8-8:30 it is off the charger on 3G. When I get to work it is on WIFI with WIFI Calling(no signal indoors) from 8:30-12:00 and goes back on 3G. then at 12:30 it goes back on WIFI(calling) and sits like that till 5:00. Usage during that time, some email viewing, 10 txt or so, 5 min phone calls and that is it!! from full charge at 8am to 5 pm I'll be at 45-50% battery left and what you read above is all I do with it all day. Battery life is horrible. Not much I can do(unless someone has an idea to fix the issue) as I need WIFI calling otherwise why have a cell phone?
Click to expand...
Click to collapse
So 16 hours with 3G and WiFi Calling on all the time...on the STOCK Samsung crap? Thats pretty awesome man. WiFi calling is a HUGE drain. Spend the $2 on an app called SystemPanel. It will tell you exactly what is taking up CPU Cycles which, of course, uses battery.
I go 24 hours on a charge with routine use. Granted, everyone's use is different. But I got two days with the KA7 modem on Bionix V. I see no difference with 1.3 (haven't used it enough to tell). Granted, I had WiFi Calling frozen and was on EDGE most of the time and turned on WiFi when I needed it. I've observed WiFi Calling using excessive CPU cycles when it isn't even on. Its pretty poorly coded. I recommend freezing wifi calling when you aren't using it.
Sent from my SGH-T959 using Tapatalk

KWKSLVR said:
You guys think that's good battery life? Nah, this is good battery life.
Click to expand...
Click to collapse
LAY OFF THE photoshop :>>>

You guys think that's good battery life? Nah, this is good battery life.
Click to expand...
Click to collapse
LAY OFF THE photoshop :>>>
Click to expand...
Click to collapse
Don't hate.
Sent from my SGH-T959 using Tapatalk

i got 2+ battery backup =.="

Tarzanman said:
I ordered a batter charger, two spare regular batteries and one spare extended battery last month for my vibrant.
Now I keep a spare charged battery in my pocket and I no longer have to plug my phone in anywhere I go. I just swap batteries and put the dead one on the charger when I get back home.
If I am going to be away from home for more than 24 hours then I put in the extended battery which gives me about 2 days worth of use.
Its a bit of a pain to have to be down for a minute when the battery is dying, but I am more content using the phone this way since I can now keep it with me instead of leaving it upstairs or on my office desk to charge.
Click to expand...
Click to collapse
Where did u get the charger and battery from? Also thinking about getting those!
Sent from my Samsung Vibrant (Bionix-V 1.2.1) using XDA Premium app