[Q] Question about Battery Calibration with Multiple Batteries - Epic 4G General

I have acquired a couple different batteries now for the Epic. One is the 2800mAh battery that we have read about here on the forums, another is a supposed 3500mAh battery a friend got me which was designed for the Galaxy S but works fine in the Epic.
My question is this - when I wipe the stats and calibrate a battery, are those stats stored somewhere on the phone or the battery itself? If I calibrate one kind of battery and then swap a different kind in, does that one need to be recalibrated if it has already been calibrated? I would hate to do this each time I switch out the 2800mAh to the 3500mAh (or even the 1500mAh that came with the phone).
Thanks!

Wow a 3500 do you have a different backing to keep that in?

I have a 3500 on the way. It has a different back, hopefully not too gigantic. Only cost 19 dollars shipped. Very excited.

jbadboy2007 said:
Wow a 3500 do you have a different backing to keep that in?
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Unfortunately it doesn't fit the Epic. The camera on the i9000 is located in a different spot and some of the buttons don't seem to line up, so the door doesn't work on the Epic. I'm OK with that since it was a gift. I'd recommend getting ones designed for the Epic so you don't have to duct tape/velcro the thing together. lol
Still curious to know if the calibration is more of an internal thing for the phone or not. Do those stats reside on the phone somewhere, or in the battery? I would hate to be resetting an internal phone calibration by switching batteries constantly. Oh well. I got 51 hours and 45 minutes with medium usage this weekend, so fine tuning it might not really be an issue.

Have you ever found an answer to your question?
I am almost certain that stats are recorded and kept on the phone.
On the other hand, it should be possible to switch between battery stats, depending on what battery you decide to use. Perhaps the battery transmits a serial number which the phone can associate to certain stats, and keeps different stats for different batteries.

I would be very interested to know an answer to this also. I have a 3000mah battery and the standard one. I put the standard one in and used 50% of it in about 15 minutes use this morning... This can't be right...

Yes, some feedback on this would be great. I have 2 stock batteries and the external charger. I was wondering if I need to wipe stats every time I swap batteries and if I am actually hurting myself by switching batteries since its recommended to let battery settle after calibrating for a day or two.
Sent from my SPH-D700 using XDA Premium App

I THINK you only need to calibrate once after you flash a new rom. changing batteries shouldn't matter. ie: if you calibrate with a 1500mah battery then switch to a 3500mah battery, another calibration is not needed. but if you flash a new rom, calibration is recommended.

i was also looking for an answer to this.
in case people are still looking for a solution for this, there is an app called Mugen Root, it will maintain different batterystats for different batteries, you can check it out here http://j.mp/vxUvvj

Related

What have you done for battery life so far?

So as I mentioned in the battery life thread, in the T-Mo store, the Galaxy was reporting 2d5h on and still had 32% left in the tank. Obviously that is without SetCPU or anything and people have to have been playing with it. Even not, 30%/day not being touched is pretty good. What have you guys done for battery life? Have you noticed the "ramp up" time that is always claimed by cell phone manufacturers? Mine has sucked today but I've been beating the hell out of it. I'm going to charge it and let it stay unplugged overnight to see what the standby drain is but what is everyone doing? Have you messed with SetCPU at all?
Thx
hah2110 said:
So as I mentioned in the battery life thread, in the T-Mo store, the Galaxy was reporting 2d5h on and still had 32% left in the tank. Obviously that is without SetCPU or anything and people have to have been playing with it. Even not, 30%/day not being touched is pretty good. What have you guys done for battery life? Have you noticed the "ramp up" time that is always claimed by cell phone manufacturers? Mine has sucked today but I've been beating the hell out of it. I'm going to charge it and let it stay unplugged overnight to see what the standby drain is but what is everyone doing? Have you messed with SetCPU at all?
Thx
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Who cares, I'm buying 2 spare batteries from Ebay, just like I had for my G1. I can go thru all 3 batteries on my G1 while at work for 10hrs. So, I'm assuming I will get similar results.
Shagman68 said:
Who cares, I'm buying 2 spare batteries from Ebay, just like I had for my G1. I can go thru all 3 batteries on my G1 while at work for 10hrs. So, I'm assuming I will get similar results.
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Haha I know what you mean. That's what I love about having a removable battery. Who cares right? Swap it out and you're good.
As for my experience, the battery live has been good. The battery status bar up top is not accurate though. Similar to the reception (bar) problem how it shows no bars but you actually have great signal. I'm sure a software fix will be available soon for this. Very minor.
Here are some things you can do to improve battery life:
Remove all unnecessary widgets off your screen. I had an analog clock on there and when I removed it, I noticed better battery life just from that. No joke.
Turn off the live wallpapers. Those drain battery too.
Turn off wifi if not using it
Turn off bluetooth
Set the notifications to refresh at a longer interval instead of like every 5 mins etc...
If you're really nit picky, check "use only 2g networks..." - I personally wouldn't.
Adjust your screen to the lowest brightness. I love that it's an SAMOLED screen, because I could never get by with the lowest setting on other lcd screens.
Hope this helps man...enjoy!
Shagman68 said:
Who cares, I'm buying 2 spare batteries from Ebay, just like I had for my G1. I can go thru all 3 batteries on my G1 while at work for 10hrs. So, I'm assuming I will get similar results.
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Click to collapse
By the way....regarding non-OEM batteries....I do notice that they are all 1500mAh (like oem), but I've always had a stigma about putting generic batteries into expensive devices.
I guess where my stigma comes from is due to my past experience with my digital camera, when I took photos of a wedding and my files got corrupted. My only explanation was because I was using a non-oem battery, because ever since that I've only used oem batteries along with that same memory card and have never had a problem since. It's been 3 years.
Since the non-oem batteries are 1500mAh, it shouldn't matter right? Now that I think about it, I do remember the camera batteries being of a higher mAh than the original battery...I know this only has to do with the capacity, but as for the voltage output, could there have been a strange surge to cause the corruption?
I know I'm just being paranoid, but just thought I'd get some input from those who know about the mechanics of batteries and the likelihood of any malfunction due to it being a cheap non-oem battery made in china.
Any thoughts would be appreciated.
My biggest battery drain was use wireless networks was disabled by default. All apps that tried to get my location therefore turned on GPS. One widget was bugged and would keep using GPS, killing my battery overnight. Uninstalled the widget and enabled use wireless networks and only lost a percent or two overnight. Make sure the GPS icon is not consistently on when not using Google Maps and whatnot.
nick_karstedt said:
My biggest battery drain was use wireless networks was disabled by default. All apps that tried to get my location therefore turned on GPS. One widget was bugged and would keep using GPS, killing my battery overnight. Uninstalled the widget and enabled use wireless networks and only lost a percent or two overnight. Make sure the GPS icon is not consistently on when not using Google Maps and whatnot.
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This didn't really do anything for me. Under usage it definitely uses less battery than my N1 but standby SUCKS. How did the one in the store get 2+ days. I switched from GSM/CDMA Auto PRL to just GSM Auto PRL. I am switching back. WCDMA Preferred actually got me better battery on the N1.
iunlock said:
By the way....regarding non-OEM batteries....I do notice that they are all 1500mAh (like oem), but I've always had a stigma about putting generic batteries into expensive devices.
I guess where my stigma comes from is due to my past experience with my digital camera, when I took photos of a wedding and my files got corrupted. My only explanation was because I was using a non-oem battery, because ever since that I've only used oem batteries along with that same memory card and have never had a problem since. It's been 3 years.
Since the non-oem batteries are 1500mAh, it shouldn't matter right? Now that I think about it, I do remember the camera batteries being of a higher mAh than the original battery...I know this only has to do with the capacity, but as for the voltage output, could there have been a strange surge to cause the corruption?
I know I'm just being paranoid, but just thought I'd get some input from those who know about the mechanics of batteries and the likelihood of any malfunction due to it being a cheap non-oem battery made in china.
Any thoughts would be appreciated.
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Click to collapse
The Amps and Volts are important, but in a battery is only a small part of it. The quality matters, the drain matter, it's max input matters, it's sensitivity to fluctuation, sensitivity to over charge... etc etc etc...
That being said, most modern devices these days have a lot of internal fail safes that should try to stop anything crazy from happening... because really the battery could have any amount of amp hours rated to it, how much it can and will output is what matters though. You could theoretically make a battery the size of a car battery for the thing that with 1500AH (aka 1,500,000mAH) would give you a retarded amount of standby time as long as it was rated about the same on everything else... although charge that thing wrong and you would have a pretty cool fireball...
an app called juice defender seems to work pretty good for me on the vibrant (ultimate juice is the paid version with all the features). I previously used it on my cliq and had good results also.
what it does is disables apn and/or wifi and you choose what intervals it comes back on. example - you could have it come on every 15 minutes for 1 minute at a time to complete necessary syncs. you can also set up night schedules etc.
I would recommend this app if you're lookin to save some battery. it also has a little widget to show you how much battery you have saved. not sure how accurate that is though. good luck!
sent from my samsung vibrant
jaker.the.skater said:
an app called juice defender seems to work pretty good for me on the vibrant (ultimate juice is the paid version with all the features). I previously used it on my cliq and had good results also.
what it does is disables apn and/or wifi and you choose what intervals it comes back on. example - you could have it come on every 15 minutes for 1 minute at a time to complete necessary syncs. you can also set up night schedules etc.
I would recommend this app if you're lookin to save some battery. it also has a little widget to show you how much battery you have saved. not sure how accurate that is though. good luck!
sent from my samsung vibrant
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I've used this but it is a little buggy. I also need live data. Point is results shouldn't be this inconsistent. I need to figure out what that store was doing!
Anyone else?
Sent from my SGH-T959 using XDA App
yeah i kinda want to know all this, getting mine pretty soon!
Is it cool to use the home charger for the nexus one AND the Galaxy interchangeably?
I ask because I'm ignorant to the amps/differences. It would be lovely to keep one charger at home, and one at work.
hah2110 said:
What have you done for battery life so far?
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I stopped caring. As long as it has enough to charge to stay on between unplugging it in the morning, and plugging it up at night, I'm golden. I've had the phone since launch, and I've only charged it up twice, so that's about two days between charges. I got it with a roughly 60% charged battery.
I use BatteryLife by Curvefish to see my battery usage.
s15274n said:
Is it cool to use the home charger for the nexus one AND the Galaxy interchangeably?
I ask because I'm ignorant to the amps/differences. It would be lovely to keep one charger at home, and one at work.
Click to expand...
Click to collapse
Galaxy S/Vibrant charger is 5v @ .7A. I think I read that the N1 wall charger is 5v @ 1A. It'll charge a little faster, and will probably heat up the battery more, but it shouldn't destroy the phone. I'm sure somebody smarter will correct me, though.

Didn't calibrate the battery

Just flashed Syndicate Loaded ROM the other day and didn't know about calibrating the battery, is it too late to calibrate now or will I need to reflash the ROM?
Sent from my SPH-D700 using Tapatalk
You can calibrate the battery at any time
Sent from my SPH-D700 using XDA App
ive yet to calibrate my battery.. at all
How do you calibrate the battery?
charge all the way
unplug, replug phone, let it top off again
wipe battery stats
discharge all the way
charge all the way
I very rarely recalibrate my batteries. I got a deal on a couple spare batteries and chargers so I just swap batteries as needed, which is usually only once a day.
AndrewZorn said:
charge all the way
unplug, replug phone, let it top off again
wipe battery stats
discharge all the way
charge all the way
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Click to collapse
Sorry if this is a dumb question (I don't own an Epic 4G, I'm asking for two members of my family who do), but how do you wipe battery stats? Do you have to be rooted to do that?
I've seen 25 hours without calibration.
Both Epics in my family are only getting a few hours out of their batteries, even with no use, and they used to get very good battery life, which leads me to believe that it's a calibration thing, but they're not rooted and I can't find any way to wipe the battery stats on their phones.
Can anyone help me?
oldjackbob said:
Both Epics in my family are only getting a few hours out of their batteries, even with no use, and they used to get very good battery life, which leads me to believe that it's a calibration thing, but they're not rooted and I can't find any way to wipe the battery stats on their phones.
Can anyone help me?
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Click to collapse
I wish they would build such a calibration function into the OS, so it could be done without rooting. Meanwhile, the only way I know of for a non-rooted user to wipe the old battery stats is to do a factory reset. But that means backing up and restoring apps and data.
Maybe an app on both stock Epics is running the battery down. Check Running services in settings>applications to see if there is something running on both. Sometimes it is an app trying to sync like Facebook, Oovoo or email. Set syncs for a hour or more. These are original stock batteries right?
Do you BONSAI?

Secondary battery

Has anyone tried buying a non official battery for their MS2 and care to comment or recommend any? Im going on holiday to france and i know my phone wont last a whole day without charging, so I was thinking of buying a second battery.
I read in another forum that using a non-Motorola battery displays some kind of warning. I'd go with an original battery.
jambo89liam said:
Has anyone tried buying a non official battery for their MS2 and care to comment or recommend any? Im going on holiday to france and i know my phone wont last a whole day without charging, so I was thinking of buying a second battery.
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using a non-original battery could have detrimental effects on your phone. there was a discussion on this on the forum of another phone. using a non-original battery could lead to leaks and other problems which would eventually lead to the warranty of your phone being voided.
stick with original motorola products. yes the battery might be very underpowered, but its the safest bet to ensure the longevity of ur phone
With a non original battery, the battery indicator of your phone shows a interrogation symbol. Also, it does not charge with the phone charger.
Sorry my analphabet english xD
@Motorola Milestone 2
bp7x 2300mAh battery
I 'm using a non-original battery . The MOMAX and everything's good ,it feels just like the original one except for battery tempperature sensor. the temp is always 26 in celsius
I personally have used seidio for my milestone and it works like a charm, its the extended 2800mah one it really performs like it should and not like how a lot of people claim thats its way less than stock! It does not always read it correctly but a quick reboot fixes that, like 50% after reboot would usually be about 70-80%. They way i used to use my phone (light to moderate level) would last about 2-3 days but after the extended I got twice that and some more. Just make sure you get stuff from the original manufactures either way and don't go for deals at amazon or whatnot as those guys might be selling either defected or not proprely stored stuff. Batteries are critical components don't go cheap on them! And no, my phone has not been messed up or had any leaks or anything and I have this for about 3-4 months now. The original battery degraded in about 6months if you have to compare.
That sounds promising, does the battery need to be charged with an external charger? And does the milestone complain that you are not using the official bettery
Sent from my A953 using XDA App
metalron said:
I personally have used seidio for my milestone and it works like a charm, its the extended 2800mah one it really performs like it should and not like how a lot of people claim thats its way less than stock! It does not always read it correctly but a quick reboot fixes that, like 50% after reboot would usually be about 70-80%. They way i used to use my phone (light to moderate level) would last about 2-3 days but after the extended I got twice that and some more. Just make sure you get stuff from the original manufactures either way and don't go for deals at amazon or whatnot as those guys might be selling either defected or not proprely stored stuff. Batteries are critical components don't go cheap on them! And no, my phone has not been messed up or had any leaks or anything and I have this for about 3-4 months now. The original battery degraded in about 6months if you have to compare.
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reebooting your phone to get the exact picture also works on the standard battery. my question is, does the back part which houses the battery heat up when used? does the phone get hot during charging? do you need a new battery cover for it? and besides the longer usability, have you noticed any other performance issues on the phone?
agent008my said:
reebooting your phone to get the exact picture also works on the standard battery. my question is, does the back part which houses the battery heat up when used? does the phone get hot during charging? do you need a new battery cover for it? and besides the longer usability, have you noticed any other performance issues on the phone?
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Actually the rebooting to get the exact picture is not the same here, a jump to 20-30% on a stock battery? I don't think so. No I never encountered any odd behavior with the other battery. No getting extra hot during charge or use, get the typical little bit of heat while using 3G and browsing like mad but that would happen on the stock battery too. Battery cover for a 2800? of course, that stuff is huge! its protrudes like mad! a quick heads up though, the extended battery for the milestone 1 and 2 can use the same extended batteries. Don't know about the droid x though. Anyways, no performance issues, no heat while charging. The back covers supplied by these after market guys are not the best quality though so if you are someone who loves dropping phones and what not would recommed getting a spare back cover from the guys you get the batts from.
jambo89liam said:
That sounds promising, does the battery need to be charged with an external charger? And does the milestone complain that you are not using the official bettery
Sent from my A953 using XDA App
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No, I use my original charger and no complains or warnings by the phone. Not on the milestone 1 at least. In fact some times i use my ipod's adapter so no big issue. And it charges at the same pace as the stock, additional 1 hour or whatever. restart the phone to getting a proper reading as it shows 100% but upon restart its 70-80% since only the stock level is charged. I hear this app called battery left does great for calibration.
ALSO a thing to note, I only know of Seidio and Mugen to be relialbe after market battery guys hence their hefty pricing at times. The others claiming to have bigger batteries have cheated people with stickers and what not and usually end up underperforming and degrading considerably faster than burning paper! I remember 1USD batteries for nokias back in the day good for a quick one time run i suppose but these 1USD guys are now selling them with a better branding for like 20-40 USD.
Anyways Sedio and Mugen have facebook profiles and keep people posted on the latest on devices usually there, although its kind of sad since seidio have not followed through promised products at times.
metalron said:
Actually the rebooting to get the exact picture is not the same here, a jump to 20-30% on a stock battery? I don't think so. No I never encountered any odd behavior with the other battery. No getting extra hot during charge or use, get the typical little bit of heat while using 3G and browsing like mad but that would happen on the stock battery too. Battery cover for a 2800? of course, that stuff is huge! its protrudes like mad! a quick heads up though, the extended battery for the milestone 1 and 2 can use the same extended batteries. Don't know about the droid x though. Anyways, no performance issues, no heat while charging. The back covers supplied by these after market guys are not the best quality though so if you are someone who loves dropping phones and what not would recommed getting a spare back cover from the guys you get the batts from.
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thanks for the info mate. ill do a lil more research and probably check it out myself.
Thanks for the info i have bought a Seidio Innocell Extended Life for Motorola milestone 2 from mobilefun £30.49 its the 1500mah version same size as original battery so no extra cover is required.
Sent from my A953 using XDA App
jambo89liam said:
Thanks for the info i have bought a Seidio Innocell Extended Life for Motorola milestone 2 from mobilefun £30.49 its the 1500mah version same size as original battery so no extra cover is required.
Sent from my A953 using XDA App
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Cool but as I suggested try and get them off the manufactures themselves as I have noticed some people complaining when purchased via 3rd party retailers.
Also another bud of mine had picked up one for the Nexus one, that phones back cover is a full one unlike the moto's and he too can vouch for the products positive performance. Either ways also check out some reviews from amazon.com for peace of mind.
http://yfrog.com/gz1yj2j
http://yfrog.com/h8n307j
Got my battery today looks official, I will charge it over night and test it tomorrow will let you know if it goes well.
Sent from my A953 using XDA App
cmxyz said:
I 'm using a non-original battery . The MOMAX and everything's good ,it feels just like the original one except for battery tempperature sensor. the temp is always 26 in celsius
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Click to collapse
can yo still charge it though because i bought the aninda battery and i could only charge it with an external battery charger
jambo89liam said:
http://yfrog.com/gz1yj2j
http://yfrog.com/h8n307j
Got my battery today looks official, I will charge it over night and test it tomorrow will let you know if it goes well.
Sent from my A953 using XDA App
Click to expand...
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is the battery meter being shown or are you getting an error message because i would like to buy one
No complaints from the phone about it being the incorrect battery the battery has been charged within/by the phone no external charger required. I got the 1500mah version from mobilefun I doubt it will give much more performance but will see.
Sent from my A953 using XDA App
After my first day of use I got around 11 hours of use before reaching 5%. Here are the usage statistics at 15%
https://picasaweb.google.com/105351366297036719015/DropBox?authkey=Gv1sRgCJna6ZH6hLKxzQE
Wifi was on most of the time, I was using my phone for the usual things. Occasionally checking socialfeeds, engadget, xda every hour or so and internet browsing I played 10 minutes of angry bids. Updated some apps and downloaded a few new ones.
Overall not a significant increase in battery life maybe an hour or so more from what I am used to.
Sent from my A953 using XDA App
................

[Q] MT4G Battery problems

Hi all,
I have a MT4G running cm10.1. Prior to this, I was running toasted marshmallow's latest build.
Over the last week or so, I've been having some real problems with the phone. While in my pocket, it will discharge rapidly and switch itself off within a couple of hours of being off the charger. Other times, it will read a high battery percentage (80-90%) but will switch itself off randomly. When I go to switch it back on, the battery percentage reads 1%, and it switches off again soon after. If I try to switch it on again, it doesn't make it through the load process before switching off. It seems like the battery is completely discharged.
But (and here's the weird part): if I stick it on the charger, give it a few minutes, then switch it back on, the battery percentage will read 58% (both times I've checked this, it was 58%), and will then charge from there. It stayed on for the rest of the day when I took it off the charger (at 65% charge).
Edit: I though this might be a battery contact/connection problem, but shaking the phone / playing with the battery cover doesn't seem to bring it on. To be safe, I used a pencil eraser on the contacts and have a small piece of card in between the battery cover and the battery, to give more support to the battery. No reboots so far, but it's only been an hour or so.
So:
- is my battery dead, and can this be fixed by a replacement?
- is battery calibration needed (I know this is a controversial question; the consensus seems to be it does nothing)
- Is this more likely a hardware problem with the phone? I have noticed that the charger microusb cable does seem a looser fit compared with before, but since the battery was still charging I figured it wasn't a problem
Thanks for any help troubleshooting this!
Lee
Sounds like your battery is done...replacements are cheap...
What he^^ said.
Anker batteries are good and very inexpensive. Also, "calibration" does nothing. Just flash ROMs on a full charge and call it good.
estallings15 said:
What he^^ said.
Anker batteries are good and very inexpensive. Also, "calibration" does nothing. Just flash ROMs on a full charge and call it good.
Click to expand...
Click to collapse
Thanks for the replies - new battery on its way.
Lee
ROM
lee_alkureishi said:
Thanks for the replies - new battery on its way.
Lee
Click to expand...
Click to collapse
Try to constantly check your what things are draining your battery, sometimes it could be the phone's data or it could be the sleep(idle) state of the phone, it could be many things. I tend to be always aware, check and read all the possible outcomes for the battery drain. For me is usually maintaining the data on my phone turn ON.
I have been having the same issue with my 10.1 ROM. It's not that old of a battery either so I don't think that it is dead; is there any other advice other than purchasing a new battery?
HOOAH.Brown said:
I have been having the same issue with my 10.1 ROM. It's not that old of a battery either so I don't think that it is dead; is there any other advice other than purchasing a new battery?
Click to expand...
Click to collapse
Switch ROMs and compare battery life? Also, check out Better Battery Stats. It can help you track down what causes drain.
estallings15 said:
Switch ROMs and compare battery life? Also, check out Better Battery Stats. It can help you track down what causes drain.
Click to expand...
Click to collapse
This is the third ROM (starting from an ICS ROM) and the battery life is the same so I know it's not the ROM. Thanks for the app recommendation. I am afraid that I might have a defective battery.
As it turns out my battery has now started to leak and swell. I am going to purchase a new Anker battery. Thanks for all the assistance.

Replacement Battery issues

Hey all...
I recently had to replace my Note 4 battery and have found that the battery is not available... It's been replaced with a different part number. The old one is EB-BN910BBU while the new one has been marked EB-BN910BBE...
What's the real difference? I have been struggling with charging it fully as well... Stops right around 89%. I have factory reset to see how it goes but with the new battery it seems to drain awfully quick.
Has anyone else had any issues with finding batteries? OR does anyone know what the difference in the batteries is?
Thanks!
digitalnights said:
Hey all...
I recently had to replace my Note 4 battery and have found that the battery is not available... It's been replaced with a different part number. The old one is EB-BN910BBU while the new one has been marked EB-BN910BBE...
What's the real difference? I have been struggling with charging it fully as well... Stops right around 89%. I have factory reset to see how it goes but with the new battery it seems to drain awfully quick.
Has anyone else had any issues with finding batteries? OR does anyone know what the difference in the batteries is?
Thanks!
Click to expand...
Click to collapse
i have 2 original samsung note 4 battery, both are EB-BN910BBE and they have no problems giving me expected battery lifes. you can try reset the fuel gauge by entering *#0228# in dialer and then press quick start, after the phone lids up you charge the phone until 100% and leave it for sometime.. hope it works.
galaxy16 said:
i have 2 original samsung note 4 battery, both are EB-BN910BBE and they have no problems giving me expected battery lifes. you can try reset the fuel gauge by entering *#0228# in dialer and then press quick start, after the phone lids up you charge the phone until 100% and leave it for sometime.. hope it works.
Click to expand...
Click to collapse
What does resetting the fuel gauge even do? That doesn't make entire sense to me... does it just re-calibrate it?
digitalnights said:
What does resetting the fuel gauge even do? That doesn't make entire sense to me... does it just re-calibrate it?
Click to expand...
Click to collapse
just resets the reading of the battery, yes its recalibrating but after you did the process dont unplug the charger until it reaches 100% btw is both of your batteries original?
galaxy16 said:
just resets the reading of the battery, yes its recalibrating but after you did the process dont unplug the charger until it reaches 100% btw is both of your batteries original?
Click to expand...
Click to collapse
Yes both the new batteries I got are OEM. I have tried to charge the two new batteries to 100% but they don't want to fully charge. I've factory reset my phone and wiped the cache... still no dice. But then the question about the differences between the batteries comes up... IS there a difference between the U battery (which is the old stock battery from when I got the phone) and the E battery (which is the new replacement OEM one...)
I was personally told by Samsung that the U and E are region codes for the batteries designed for different models of the phone. They went further to tell me that getting a battery for a different region phone would have unpredictable and possibly bad results if used in a U.S. branded (U) phone.
The true differences I have no clue and have just started looking this true difference due to my battery is now failing and it is a U battery. Some things I have uncovered is the E variant is suppose to be superior to the U variant however, I keep seeing a pattern for those with 'older' U.S. Note 4s, particularly the AT&T models with poor performance from the E batteries. If it is simply bad luck or actual truth I have no clue. Still looking.
I had the issue buying 3 of the E version on ebay not knowing any difference from china. They worked fine for 6 months then completely died. noticing the original battery was U version and still working I found this link. I can confirm the phone occasionally reboot for no reason about 3 months into using them but since the phone is a couple years old I did not really suspect the batteries at the time.
1. Batteries wear out (slowly) sitting on the shelf. Buying demonstrably NEWly manufactured batteries would be in my opinion the trick to successful battery replacement. Maybe this is a problem for the obsolete Note 4. Bought a "new" battery today... Ad says OEM but is it going to be? And will it have been on a shelf for the past 4 years? Maybe. I will see.
2. Charger issue on an old phone? I do not know about this if it is an issue or not.

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