EB13 and battery life

[egeorge1]

Battery seems somewhat better for me. I did the exe manual install so it wiped all my apps, reinstalled most and still seems improved. Even though it was pain to reinstall, I'm glad I did, there was probaby crap in the background I didn't know about.

sent from my Epic 4G

 

[big_bake]

anyone else notice before the ota, the display usage is now 80% or more?? before it was around 30%... battery is **** now

The percentages are just that, percentages. All the listed uses have to add upp to 100%. If the only thing using the battery was the display, it would just say 100%.


Even if the screen is off all day in your pocket, the time it is on uses much more battery than anything else running.

 

[Bowa11]

do you guys still kill the .drm file and others like you did on the prior to the update or is that not necessary with this update? I notice quik and a couple more google services are appearing as running that never did before.

My battery life seems a lot worse and I did the OTA update, any recommendations on how to get my great battery life back?

 

[wiltonmanorsx]

My battery life has become disastrous. I took the phone off the charger at 6AM and it just gave me the 15% warning at 2:57PM. I didn't even get 12 hours out of it and I have to put in my spare battery. I made 53 minutes of phone calls and sent/received 55 texts using Google Voice. No web surfing, no social networking.

Battery life wasn't good before but ever since I applied the EB13 update my battery life has become horrible. I'm open to any and all suggestions that would get me through an entire day without having to hit the charger or throw in the spare battery.

 

[bipoler#AC]

My battery life has become disastrous. I took the phone off the charger at 6AM and it just gave me the 15% warning at 2:57PM. I didn't even get 12 hours out of it and I have to put in my spare battery. I made 53 minutes of phone calls and sent/received 55 texts using Google Voice. No web surfing, no social networking.

Battery life wasn't good before but ever since I applied the EB13 update my battery life has become horrible. I'm open to any and all suggestions that would get me through an entire day without having to hit the charger or throw in the spare battery.

6-3 is roughly 9hrs on 1 battery not bad.....their is a reason they made the phone have a spare battery...I wish people would just accept things & stop *****ing about it...its a cell phone get over it aleady...jeez lol

Sent from my SPH-D700 using Tapatalk

 

[seand26]

I too am experiencing abnormal drainage on the battery. I can only assume at this point it is related to the additional services running (also noticed on DK28).

I unplugged my phone from the charger around 10PM last night when the battery was at 100%. I made a 5 min phone call after removing it from the charger. I awoke this morning at 7AM and noticed the battery was already at 55%.

I did a manual update with the ZIP file from Samsung's site. I plan to root soon since I was waiting for the official update to do so. However I am wondering if it may be worth waiting the extra couple days to see if there are improvements on the battery or if it will not matter.

 

[robyn25]

I'm noticing the same thing.

21h 5m 25s unplugged

Display 70%
Wi-Fi 13%
Cell standby 11%


This is with 26% battery left. I'm letting it die out so I can do a full recharge.

I'm wondering if this is because I had WiFi turned on over night and I didn't stay at home (on 3g overnight). WiFi used to maybe be like 2% under heavy use when i was on 2.1.

I saw something about turning wifi sleep off..so I am going to see if that helps.. Can't remember if I had it set that way before or not, but wifi didn't seem to bother battery at all before.

 

[wiltonmanorsx]

6-3 is roughly 9hrs on 1 battery not bad.....their is a reason they made the phone have a spare battery...I wish people would just accept things & stop *****ing about it...its a cell phone get over it aleady...jeez lol

Sent from my SPH-D700 using Tapatalk

Well, thanks for the constructive post. I'm terribly sorry I clogged up the board whining about my battery.

9 hours is far from a full workday for me. I expect a phone to at least manage 12 hours, which my phone did prior to the EB13 update. I can't always be near a plug and I don't want to have to worry if I forget my spare battery.

If you have any helpful information about getting my phone to last a bit longer on a single battery, I would appreciate it.

 

[Linux64]

DK28 battery was horrible, EB13 battery is awesome!

I updated to DK28 back in December and my battery performance took a HUGE nosedive. It was usually practically dead around lunchtime.

I updated to EB13 using the windows exe method that wipes the phone clean (I even formatted my SD card, after backing up the data I needed from it).

Now my battery life is awesome!

I do notice a discrepancy on between the percentage listed on the lock screen when plugged in versus what the battery icon graphically shows in the menu bar.

The battery icon is "filled" much more than the percentage on the lock screen would suggest.

 

[topofmurrayhill]

There is probably no really big difference in battery usage between the two versions. If you notice a difference that's dramatic, it's possibly an issue of settings rather than version. For instance, if you used an update procedure that included wiping the phone, your settings may be different than before.

The one biggest setting issue that I ever found is Wi-Fi sleep policy. Unless I'm traveling or commuting, I'm normally in a strong WiFi signal environment, so preventing the phone from switching to 3G every time it locks increased my battery life 50 to 100 percent. I only have to charge the phone every few days now unless I use it heavily. It's probably especially helpful when there's a lot of synchronization going on.

You can check this under Menu/Settings, Wireless and networks, Wi-Fi settings, Menu/Advanced, Wi-Fi sleep policy. Set to "Never".

 

[HAAS599]

My battery life has become disastrous. I took the phone off the charger at 6AM and it just gave me the 15% warning at 2:57PM. I didn't even get 12 hours out of it and I have to put in my spare battery. I made 53 minutes of phone calls and sent/received 55 texts using Google Voice. No web surfing, no social networking.

Battery life wasn't good before but ever since I applied the EB13 update my battery life has become horrible. I'm open to any and all suggestions that would get me through an entire day without having to hit the charger or throw in the spare battery.

Getting 9+ hours is great considering you on the phone for an hour. Phone calls drain my battery more than anything else does. If you use speakerphone, its worse because it puts the brightness on full automatically.

Check your running services and make sure the DRM service is not running. If you see it, click it and select stop.

For a longer battery - root, and flash the genocide 0.2 Kernel. Spend $2 on the android market for Setcpu and set the app to conservative with min:200 and max:1000.

 

[hindibuff]

A good tip for recalibrating your battery is to fully charge it, including a bump charge (after the light turns blue, remove the cable and reinsert it until it turns blue again). Then, using the phone like your normally would (i.e., don't try to burn it out) use your phone until it dies completely. Then charge it back up to full.

Typically, over or under-charging a Li-On battery is not recommended as it can shorten the overall lifespan. However, performing this calibration method once a month or so should keep your battery meter accurate without doing too much damage.

Hi,

I am sorry but I cant stop myself from clarifying a few things. You CANNOT onvercharge this batter. The circuit for overcurrent protection is built into the battery, and not the charger. A battery is rated for cycles per life, if you charge it fully or half way, it is going to degrade the battery over a normal period of time. Calibration of battery meter does not exist as it is simply reading the pins on the batter itself, called, smart battery.

Sorry, dont mean to be rude but several years in this industry, I figured it's time to quel some urban legends.

 

[Biggnaa20]

Same here.

I might actually be happy with the phone now that I can keep it going past lunch!

nnb

 

[topofmurrayhill]

Calibration of battery meter does not exist as it is simply reading the pins on the batter itself, called, smart battery.

Don't know what you do in the industry, but that doesn't sound correct.

I doubt my phone battery is smarter than the battery in my new Samsung laptop. The laptop has a program in the firmware to recalibrate the battery meter, and the manufacturer specifies certain circumstances under which it's recommended to use it. It accomplishes the calibration by draining a fully charged battery.

The battery meter expresses battery charge as a percentage. The pins on the battery don't. The percentage must be arrived at by some kind of algorithm that includes certain assumptions that may not be correct and might need to be calibrated with the actual performance of the battery.

 

[big_bake]

There is probably no really big difference in battery usage between the two versions. If you notice a difference that's dramatic, it's possibly an issue of settings rather than version. For instance, if you used an update procedure that included wiping the phone, your settings may be different than before.

The one biggest setting issue that I ever found is Wi-Fi sleep policy. Unless I'm traveling or commuting, I'm normally in a strong WiFi signal environment, so preventing the phone from switching to 3G every time it locks increased my battery life 50 to 100 percent. I only have to charge the phone every few days now unless I use it heavily. It's probably especially helpful when there's a lot of synchronization going on.

You can check this under Menu/Settings, Wireless and networks, Wi-Fi settings, Menu/Advanced, Wi-Fi sleep policy. Set to "Never".

This is how mine is set. That was mentioned in many battery saving threads. I'm constantly on wifi in my house or when at school. Only when i'm driving or going places am I on 3g. Before WiFi showed <5% in the battery status. Now don't get me wrong, it's not a huge drain, I'm not gonna stop using it. It's just odd it would add ~10% extra in the 2.2 update. Good thing I have a widget to just click it off if I'm going to be away from WiFi for a while.

 

[GSF1200S]

My battery life was terrible on stock eclair, and eventually I made it better by switching to Andromeda 2.1 (noobnl). With the froyo update, my battery life is ridiculously good; today ive had my screen on over an hour, browsed the web for at least a half an hour, gotten 2 phone calls, installed a few apps from the market, and have had google syncing my gmail every 15 minutes- after 16 hours the epic just hit 59% according to Quick Battery (app in the market free), and the actual meter on the panel suggests im above 60..

I used the .exe update method and i noticed I still have to do the airplane toggle trick to get the signal % lower (time without signal). Pretty much stock 2.2- rooted with ad-free.

 

[seand26]

I too am experiencing abnormal drainage on the battery. I can only assume at this point it is related to the additional services running (also noticed on DK28).

I unplugged my phone from the charger around 10PM last night when the battery was at 100%. I made a 5 min phone call after removing it from the charger. I awoke this morning at 7AM and noticed the battery was already at 55%.

I did a manual update with the ZIP file from Samsung's site. I plan to root soon since I was waiting for the official update to do so. However I am wondering if it may be worth waiting the extra couple days to see if there are improvements on the battery or if it will not matter.

UPDATE: After removing Advanced Task Cleaner 2.0 from the applications list I've noticed a significant increase in battery life. Unplugged at 10PM last ngiht again and awoke at 7AM with the battery life at 87% from 100%.

 

[arauman]

Does anyone know if it is still necessary/recommended to put the phone in airplane mode for about 15 seconds after turning it on. Another forum said airplane mode eliminated the false signal searches that were killing the battery in 2.1. I used to do it and my battery could last for 2 days with light use (I turned it off at 7pm and back on at 7:30am. No more than 2 hrs of calls each day.) Just wondering if I needed to keep using airplane mode first.

Also, how do I remove facebook. I don't use it on my phone and I just want to remove it completely.

 

[jrz5024]

Hi,

I am sorry but I cant stop myself from clarifying a few things. You CANNOT onvercharge this batter. The circuit for overcurrent protection is built into the battery, and not the charger. A battery is rated for cycles per life, if you charge it fully or half way, it is going to degrade the battery over a normal period of time. Calibration of battery meter does not exist as it is simply reading the pins on the batter itself, called, smart battery.

Sorry, dont mean to be rude but several years in this industry, I figured it's time to quel some urban legends.

You are correct in saying that batteries cannot be overcharged past capacity; however, in this instance I was referring to overcharging as charging the battery to 100%. As someone in the industry, you should know that to extend the lifespan of Li-On batteries they should not be charged to 100% (as excessive heat degrades the chemicals), so Sammy intentionally miscalibrated the battery meter to read the battery as 100% full when it is in reality only about 96%. A member on this forum proved this to be true recently but I cannot find the thread at the moment. This is why I recommended the bump charge, to ensure that the battery is actually completely charged.

Secondly, it's silly (and plain incorrect) to imply that battery calibration does not exist. Many members on this forum will tell you that after installing a new ROM, for instance, the battery meter must be re calibrated to read accurately. The absence of calibration would also raise questions as to why batteries need to be "broken in" before you achieve their full energy capacity.

Finally, if you're going to make a claim on the basis of coming from a professional background, try backing yourself up with actual facts next time. If you show me evidence that says I'm wrong I'll absolutely concede your point and thank you for educating me, but I'm sure not going to take some random person's word for it.

 

[ndraiden]

The percentages are just that, percentages. All the listed uses have to add upp to 100%. If the only thing using the battery was the display, it would just say 100%.


Even if the screen is off all day in your pocket, the time it is on uses much more battery than anything else running.

yes i know they add up to 100 but display was always at the bottom with the same usage.. voice calls had more pre-update. now the battery is horrible :/ display sucking everything up