Database Users

I-mate PDA2 Short battery life issue.

i have just purchased imate pda2(equivilent to O2 xdaIIi) and with a very minmum use after the full charge all the battery drains in just 8 hours ..Is this the normal battery life or its the fault of battery?
ROM version=1.11.00 WWE
ROM date 01/27/05
Radio Version=1.02.00
Protocol Version=1337.42
ExtROM version =1.11.144 WWE
Battery is PH17C 3.7VDC 1300mAH
I am confused about ROM size my hadware info shows..RAM 128mb Flash size 64mb....
does flash size means ROM?
but there is written 128mb ROM on booklets but it shows 64mb why>?
kindly help :shock:

I just recently bought a PDA2 as well, and experienced the same battery life problem. after running it down to less than 10% battery, then charging it back up to 100% a few times tho, the battery life appears to have strengthened a bit.
although i had a relapse last night, it was on 34% battery, i turned on flight mode, and then put it into standby mode. i woke up 7 hours later to find it on 9% battery! on my old XDA II, it would lose maybe 1% battery overnight with flight mode on. I'm going to keep testing this though.
as for the rom, as far as i know, rom = flash. the pda2's only have 64mb of rom or flash, whereas the xda IIi's have 128mb. as far as i can tell, this is the only hardware difference between the two devices.
hmm.. i just checked out the PDA2 website, and you're right, it says 128mb of rom. i've read elsewhere that it was only 64mb of rom tho, and thats what it says in my device information page as well... and i could have sworn that the above page used to say 64mb of rom..... very strange

omniwolf said:
I just recently bought a PDA2 as well, and experienced the same battery life problem. after running it down to less than 10% battery, then charging it back up to 100% a few times tho, the battery life appears to have strengthened a bit.
although i had a relapse last night, it was on 34% battery, i turned on flight mode, and then put it into standby mode. i woke up 7 hours later to find it on 9% battery! on my old XDA II, it would lose maybe 1% battery overnight with flight mode on. I'm going to keep testing this though.
as for the rom, as far as i know, rom = flash. the pda2's only have 64mb of rom or flash, whereas the xda IIi's have 128mb. as far as i can tell, this is the only hardware difference between the two devices.
hmm.. i just checked out the PDA2 website, and you're right, it says 128mb of rom. i've read elsewhere that it was only 64mb of rom tho, and thats what it says in my device information page as well... and i could have sworn that the above page used to say 64mb of rom..... very strange
Click to expand...
Click to collapse
The perils of assuming the same radio stack works correctly across the globe with all operators!
Case in point - Xda II 1.66 rom worked brilliantly in UK, and sucked the battery dead in 8 hours in Germany. Why? because the german network had different settings for paging the handset
I'd say you've got a valid case to:
- Tell Imate to f*cking fix the problem
- Downgrade the Radio stack to another build and see what happens
:wink:

'scuse me for butting in...
Guys
I've been having really big problems with my battery too on my XDAIIi. You might care to look at the log I kept of the battery over the course of a day here
http://forum.xda-developers.com/viewtopic.php?t=22468&highlight=

Southern_Man said:
omniwolf said:
I just recently bought a PDA2 as well, and experienced the same battery life problem. after running it down to less than 10% battery, then charging it back up to 100% a few times tho, the battery life appears to have strengthened a bit.
although i had a relapse last night, it was on 34% battery, i turned on flight mode, and then put it into standby mode. i woke up 7 hours later to find it on 9% battery! on my old XDA II, it would lose maybe 1% battery overnight with flight mode on. I'm going to keep testing this though.
Click to expand...
Click to collapse
The perils of assuming the same radio stack works correctly across the globe with all operators!
Case in point - Xda II 1.66 rom worked brilliantly in UK, and sucked the battery dead in 8 hours in Germany. Why? because the german network had different settings for paging the handset
I'd say you've got a valid case to:
- Tell Imate to f*cking fix the problem
- Downgrade the Radio stack to another build and see what happens
:wink:
Click to expand...
Click to collapse
well i had flight mode ON, which means the aerial is turned off.. so i don't really see how the operator settings will affect it...?
i checked how i went last night, again turning the phone off (flight mode on), and sleeping for about 8 hours. my battery life had only dropped 3% which is much better, it went from 81% to 78%.
its an interesting thought about the paging settings though, when i finally sort out my login to the i-mate forums, i may have a look around for that.
stevep, yes i remember reading your thread a few days ago.. unfortunately it doesn't seem like you came across any sort of solution..

battery XDAIIi
Hi all
You're right, there was no solution. I had the device replaced three times and the battery twice. I can conclude that it's definitley a feature of the device. I don't what's draining it (nor do o2). I had the problem escalated at o2 and although they were very helpful, they didn't really come up wiuth a solution, which is disappointing! My main issue was mostly about how long it took for o2 to admit it's a problem. The normal 'change this', 'hard reset', deinstal/reinstal everythig' etc etc just seemed to be their way of 'getting off the hook' (sorry o2) and concluding that it must be something that I've installed on the device
I was getting to the point of thinking about reporting it tomTradining Standards here in the UK because 8 hours or less (to me) doesn't make it 'fit for purpose'...but in the end I didn't because it felt that it wasn't a strong enough case to argue. Now I just carry a spare charged up battery
Steve

i work an office job, so i have mine cradled most of the day, but the weekends is where it gets tested. we'll see how it goes this weekend. on the xda II i usually had about 30% battery left on sunday night.. last weekend (the first weekend i had it, i got it the thursday before) it barely lasted one night.

IS THERE ANY SOLLUTION??
So whats the solution? ....This much less battery time does,nt serve the purpose for me ....i always have my nokia handset with me bec pda2 battery goes dead in 6 hours when i am at work...i am seriously thinking to sell PDA2...it would have been better that i should have purchased PDA2k.i post a query to imate technical support they replied that give a hard reset to ur device and see ...but nothing happened..the guy said he is forwarding my query to technical deptt lets see what they say....
In short i am really disappointed after spending so much money what i got?...if the battery time is less pda2 is of no use for me.

The solution
Hi all - After long conversations with O2, I conclude that there is no solution (apart from always carry a spare battery). I'm really disappointed too! More so, because O2 constantly said my PDA was 'not right' and they kept swapping it out for anew one...

Re: The solution
stevep said:
Hi all - After long conversations with O2, I conclude that there is no solution (apart from always carry a spare battery). I'm really disappointed too! More so, because O2 constantly said my PDA was 'not right' and they kept swapping it out for anew one...
Click to expand...
Click to collapse
just a thought, have you turned turbo omode on? because that will definetly suck the battery?
also, turn down the backlight settings....

Battery
Hi SouthernMan
Yep Turbo off and backlight set to minimum (plus all the other tweaks that drain the baterry are 'off' or set to their lowest

right now im hoping they're going to release a new ROM that will magically fix everything.. because i can't see it as being a problem with something we're doing.. it must be the device.

Battery
Hi OmniWolf
I agree 1000% That's what I kept telling O2, but they insisted
1. it was the device (changed it twice, made no difference)
2. it was the battery (changed it three times, made no difference)
3. It was some software I was running (took all progs off one by one, took ages, made no difference
((
S

well hopefully they'll get enough support calls that they start looking at the problem seriously

I REALLY hope so! it's a great device...but I can't get through a business day without having to recharge it. Mainly that's not as problem, but just occasionally, I have to work a day when there's no access to any charging facilities...and if you couple that with going out after work for a few drinks, the PDA is completely dead by the time I get home
I found that mine was draining at a rate of 8-10% per hour

Dear All,
Battery usage time is really one of the big concern for heavy duty user.
But O2 seems don't have any solution for the buyer. Buying a spare battery seems to be the only one solution....

I know you recommended buying a spare, but a more powerful battery that get you through the business day is a better solution in my book!
Hey I saw from Blue Angel thread you guys (Mugen) have battery for IIs.
So.... do you have higher capacity batteries for XDA II and IIi?
From myxda site I think they use the same battery.

think i might invest in sprite backup actually..

A disapointing end with pda2
Atlast after getting no reply from imate customer support(they just said give it a hard reset which had no effect on battery life) i sold my pda2 which had 4 hours of total call time at a loss of 180$...there is no big market for pdas in pakistan.
I was never expecting a well reputed device costing 800$ with such a major flaw... imate and o2 should be questioned in court y they bought a pda in market with a major flaw.

Battery Life???

I heard the standby time on this phone is awesome.
When I got it, the standby time was terrible!
How can I improve battery life?
What am I missing?
EDIT: added poll

This is my experiance.
When I bought the phone...first 3 times I fully discharged my battery and charge it over night when he was off. 3 times like that, one kind of "formating" battery process.
Now with stock ROM 1.66 WWE EastEurope...5-6 programs and 3 games,with normal use I can used him 48h, with full use of everything...24h.
In standbye over night 1%/3h dropps down...

Smartmob said:
This is my experiance.
When I bought the phone...first 3 times I fully discharged my battery and charge it over night when he was off. 3 times like that, one kind of "formating" battery process.
Now with stock ROM 1.66 WWE EastEurope...5-6 programs and 3 games,with normal use I can used him 48h, with full use of everything...24h.
In standbye over night 1%/3h dropps down...
Click to expand...
Click to collapse
hey thanks! I'll try that. so just let the battery die then charge it up again and repeat?

Do a search. I average about 2.5 days of moderate use.

please don't let your battery die.
Li_ion batteries doesn't suffer from memory loss, so there is no reason to let it discharge fully. let it get low like 3-5%.
but besides that, conditioning of the battery is important on a new battery.
if you flash a new ROM, it is also important to go through cycles before it configured the correct battery capacity.
i got it a couple of days ago as well, and standby time is very impressive. batteryrarely drops over-night.
the problem is during the day with heavy usage...

rickyoon.vegas said:
please don't let your battery die.
Li_ion batteries doesn't suffer from memory loss, so there is no reason to let it discharge fully. let it get low like 3-5%.
but besides that, conditioning of the battery is important on a new battery.
if you flash a new ROM, it is also important to go through cycles before it configured the correct battery capacity.
i got it a couple of days ago as well, and standby time is very impressive. batteryrarely drops over-night.
the problem is during the day with heavy usage...
Click to expand...
Click to collapse
last night I let it go down to 6% and then powered off.
Then I charged to 100% overnight and I think the life today is better than normal.
I've played a little tekken and I still have 4 filled in battery slots!

Turn off push email and limit anything that updates automatically (weather, facebook info etc..) I went from 1 day to 3 days just by doing that.

johncmolyneux said:
Turn off push email and limit anything that updates automatically (weather, facebook info etc..) I went from 1 day to 3 days just by doing that.
Click to expand...
Click to collapse
oh wow. so if I turn these things that update automatically, can I still hit update now?
I do that now anyway!

Yes...you can always hit "Update now" when you wanna se any new update.
Today...i phoned for cca 3min, send & recieve 20SMS, 20min playing with device...and my battery drops on 85% now...from 8h in the morning...thats in 14h 15%

Is it possible to make maybe that it won't update weather at night?

hiddengopher said:
oh wow. so if I turn these things that update automatically, can I still hit update now?
I do that now anyway!
Click to expand...
Click to collapse
As smartmob says, yes. I did it like that for a few days but ended up switching most things back on (email accounts, weather, ms myphone etc.), but with longer intervals between things.
I was suprised how much of a difference turning off these things made to be honest. Turns out that my telling off from O2 (1.2GB of data in a week ) was a blessing in disguise

Smartmob said:
This is my experiance.
When I bought the phone...first 3 times I fully discharged my battery and charge it over night when he was off. 3 times like that, one kind of "formating" battery process.
Now with stock ROM 1.66 WWE EastEurope...5-6 programs and 3 games,with normal use I can used him 48h, with full use of everything...24h.
In standbye over night 1%/3h dropps down...
Click to expand...
Click to collapse
where did u get 1.66 wwe east europe stock rom its not out yet

Hmm, so having read up on some posts claiming that battery life steadily improves with the HD2, I've been patient since Wed (when I got the phone, TMOUS HD2), but my battery life is still horrific. I've got every auto update off, besides weather and email every half hour. I've adjusted every other option I could think of that would drain the battery, and yet, I'm experiencing at best, a 6-7 hour usage with NO web browsing, 2-3 calls, and about 10 texts. In standby alone, my phone is dropping 2-3% every half hour it seems. Also, I've made sure that no superfluous programs are running in the background via taskmanager. Now I've read that others have had poor battery life too, but my case seems pretty bad, and don't see hope that the battery will improve much beyond this. Is it possible that my phone is faulty or that my battery's faulty? or perhaps even both?

joefosho315 said:
Hmm, so having read up on some posts claiming that battery life steadily improves with the HD2, I've been patient since Wed (when I got the phone, TMOUS HD2), but my battery life is still horrific. I've got every auto update off, besides weather and email every half hour. I've adjusted every other option I could think of that would drain the battery, and yet, I'm experiencing at best, a 6-7 hour usage with NO web browsing, 2-3 calls, and about 10 texts. In standby alone, my phone is dropping 2-3% every half hour it seems. Also, I've made sure that no superfluous programs are running in the background via taskmanager. Now I've read that others have had poor battery life too, but my case seems pretty bad, and don't see hope that the battery will improve much beyond this. Is it possible that my phone is faulty or that my battery's faulty? or perhaps even both?
Click to expand...
Click to collapse
There's obviously something wrong somewhere, isn't there!
Perhaps it may be a good idea to try a different battery. It obviously means buying a new one (and not some cheap crap off ebay either!), but it's an easier option than sending your lovely new phone away for repair.

same here
especially coming from a nexus one, since day 1 i have tried all of these solutions and no success.. i did a hard reset as well just to see if that had anything to do with it and it didnt..
im at 40% and i have had the phone for 6 hours and a half, i literally sent 10 texts and called 2 people for a total of 20 minutes.. really strange..
i wish these smartphones had bb battery lives lol, but then again my bb didnt really have a huge screen or touchscreens

yeah if I can't figure out what's causing the issue, I might just go ahead and get my HD2 exchanged for a new one since I'm still within the 14 day return period for Tmobile. Too bad I already applied my screen protector! What a waste...

joefosho315 said:
Hmm, so having read up on some posts claiming that battery life steadily improves with the HD2, I've been patient since Wed (when I got the phone, TMOUS HD2), but my battery life is still horrific. I've got every auto update off, besides weather and email every half hour. I've adjusted every other option I could think of that would drain the battery, and yet, I'm experiencing at best, a 6-7 hour usage with NO web browsing, 2-3 calls, and about 10 texts. In standby alone, my phone is dropping 2-3% every half hour it seems. Also, I've made sure that no superfluous programs are running in the background via taskmanager. Now I've read that others have had poor battery life too, but my case seems pretty bad, and don't see hope that the battery will improve much beyond this. Is it possible that my phone is faulty or that my battery's faulty? or perhaps even both?
Click to expand...
Click to collapse
Maybe you can try using with no sd card. Some people found out that one faulty mp3 may cause such issue. Have a look at the topic 'Extreme battery usage with non-official ROMs' under HD2 ROM Development section.
I wanted to post a link for this topic but I cannot post link due to some restrictions.

Interesting, thanks for the heads up. The thing is, I've only been running the stock factory ROM, and I haven't even uploaded any MP3's onto the device either. Anyhow, I'll give a read through and take my SD card out now to see if it helps!

funky26cro said:
where did u get 1.66 wwe east europe stock rom its not out yet
Click to expand...
Click to collapse
Evo, ovdje klikni na prvi link i u folderu 1.66 ćeš naći i EastEurope Nije službeno izašao...ali ga ima ovdje...neznam kako ali ima, ja ga instalirao i kao svaki drugi stock ROM je.
English:
Here, click on this link and find it in 1.66 folder. Its not officily out, but its here. I install it normaly like every other stock ROM
http://forum.xda-developers.com/showthread.php?t=577717

johncmolyneux said:
There's obviously something wrong somewhere, isn't there!
Perhaps it may be a good idea to try a different battery. It obviously means buying a new one (and not some cheap crap off ebay either!), but it's an easier option than sending your lovely new phone away for repair.
Click to expand...
Click to collapse
I'm beginning to think there's something faulty with the TMO-US HD2's.
We should do some testing...

Battery 'Life' tricks

I read about this on a professional site but cannot remember where. Here is what you do:
"To help with battery life you can do these steps EXACTLY:
1. Turn your device ON and CHARGE the device for 8 hours or more
2. UNPLUG the device and TURN the phone OFF and CHARGE for 1 hour
3. UNPLUG the device TURN ON and wait 2 minutes and then TURN OFF and CHARGE for another hour
Your battery life should double. We have tested this on our devices and other agents have seen a major difference as well"
I am still waiting for my phone but I will try this as soon as I get it. I am wondering if this trick applies only to new phones or not? If someone will like to test this please go ahead and give us some feedback. Thanks

no offence but can you tell me how you can charge the device which has been charging for 8 hours? to my knowledge, there are circuits that avoids over-charging in these kind of devices?

You got a point. Like I said, I took this off the net but cannot remember where.

Check out this article: http://blog.gsmarena.com/samsung-i9000-galaxy-s-full-battery-test-ready-–-up-with-the-best/

It's impossible to manage 84h on single charge Or it is possible when you charge phone to 100% then leave it on your desk and don't even touch it.

Im pretty sure I could get up to a week of battery if i didnt use the phone at all. Over night the battery drains 1% max.

rocketpaul said:
Im pretty sure I could get up to a week of battery if i didnt use the phone at all. Over night the battery drains 1% max.
Click to expand...
Click to collapse
standby is quoted as 24-26 days. it's sick. screen on is what sucks the power (in addition to sync and background apps).

alovell83 said:
standby is quoted as 24-26 days. it's sick. screen on is what sucks the power (in addition to sync and background apps).
Click to expand...
Click to collapse
for me, wifi uses up 65% of the power lol.

I like to ask, how long have you all had your phones? I think the longer or often you charge your phones the better the drainage power.

ive had mine for two weeks

Don't believe everything you read on the internet..
When I was working at an Apple Premium reseller, I nearly exploded with laughter every day at some of the ridiculous rumors I heard, which were obviously wrong to anyone who sold them, but plenty of major sites were reporting they were likely..
Even now, Kevin Rose (the genius who said that he had seen the iPhone and it had 2 batteries) is still saying crap (which 2 years after I left still seems wrong to me), and every site is STILL reporting it as fact.
A lot of the stuff you read on the internet is untrue. This might be a bit true because of battery calibration and such, but I honestly do question it..

andrewluecke said:
Don't believe everything you read on the internet..
When I was working at an Apple Premium reseller, I nearly exploded with laughter every day at some of the ridiculous rumors I heard, which were obviously wrong to anyone who sold them, but plenty of major sites were reporting they were likely..
Even now, Kevin Rose (the genius who said that he had seen the iPhone and it had 2 batteries) is still saying crap (which 2 years after I left still seems wrong to me), and every site is STILL reporting it as fact.
A lot of the stuff you read on the internet is untrue. This might be a bit true because of battery calibration and such, but I honestly do question it..
Click to expand...
Click to collapse
Agreed. After all, if these ridiculous battery "tricks" worked at all, then the physics behind them would be built into the chargers by the manufacturers. Unless you think they are crippling the battery on purpose for no reason? Makes no sense.

battery drains.. sort of

Does anybody know sone work around regarding this? Because its starting to annoy me, have you ever experienced when you are using your device,the battery warning suddenly pops up and says that you must charge already and the battery percentage suddenly changes to 3% eventhough awhile ago there is still 50% left, but when you reboot it chages back to 50%, what could be a possible culprit, this happens a few times to me a day and im tired of rebooting everytimethe warning pos up.
Any advice is appreaciated

Same experience. I posted this a while ago but no solution.
Sent from my GT-P1000 using XDA App

well this isnt an acutal solution but have you tried actually draining your battery down to 3% recently? By doing that you are "calibrating" the battery life sensor and maybe that will cause this issue to occur less frequently?
This happened to me once so I did that and havent had a problem since. Hopefully it works for you!

but how do you power it on if thinks the battery is critical

Somehow if ido a reboot it just goes back to normal..maybesomething is messing up with the battery sensors,i did let it drain but some how it still the same, i had read on a similar thread about a bump charge or something maybe i could try that and lets see from there

on verizon tab SCH-I800 - does the same thing ... mine seems to happen around 33% though. (i thought it was something with the 33% .. since it would drop down to 3%) ..
i think samsung should really push out an update to address some of the glitches in these tabs..

Tried the recalibration thing. Problem still exists.

b3nder said:
on verizon tab SCH-I800 - does the same thing ... mine seems to happen around 33% though. (i thought it was something with the 33% .. since it would drop down to 3%) ..
i think samsung should really push out an update to address some of the glitches in these tabs..
Click to expand...
Click to collapse
thats a similar issue i get,. Yes i tried the recalibration charge also and still having the problem, i did a factory reset also and it did nothing.. Im really desperate for some fixes..

Mine jumps from 15% to 3%. Quite annoying, I assumed that it is because it is poorly calibrated and so it doesn't realise its actually critical until its 15%.
I tried calibrating it by running it until it switches off, and then fully charging. However, that didn't work.
If in reality the battery is at 15%, then its a pretty bad software bug.

Maybe deleting the battery stats solves the problem?

I think its getting worse on mine now after a full charge after i remoce the charge around 2min. It says 3% again what the heck?
Sent from my GT-P1000 using Tapatalk

Tried flashing with another rom but no help. Start to wonder if this is hardware related....
Sent from my GT-P1000 using XDA App

try to flash it with rotohammer rom JHA/JMC it might fix the issue. My problem with GT was battery draining too quickly but after flashing it's much better now.

MasterRy88 said:
well this isnt an acutal solution but have you tried actually draining your battery down to 3% recently? By doing that you are "calibrating" the battery life sensor and maybe that will cause this issue to occur less frequently?
This happened to me once so I did that and havent had a problem since. Hopefully it works for you!
Click to expand...
Click to collapse
This worked for me too, however I had to do it 2 or 3 times. I haven't had any problems since.

I think i sorted it out also by calibrating battery,i removed the battery stats using the root explorer,now im still observing the progress

Brand new sprint tab, only installed the over clock kernel first week i got the.
Today, which would be week 3, i experienced the 35% to 3% drop instantaneousness..... So, im draining the battery, and hopefully doing a full recharge...

nzaw4 said:
Brand new sprint tab, only installed the over clock kernel first week i got the.
Today, which would be week 3, i experienced the 35% to 3% drop instantaneousness..... So, im draining the battery, and hopefully doing a full recharge...
Click to expand...
Click to collapse
I also have a sprint tab and it is three months old. I have not put another rom on it, only rooted it. It also has developed this battery problem recently. It will go from 53 to 3 all of the sudden.

texasreb said:
I also have a sprint tab and it is three months old. I have not put another rom on it, only rooted it. It also has developed this battery problem recently. It will go from 53 to 3 all of the sudden.
Click to expand...
Click to collapse
Not too sure what's the issue but it does sound like a program consuming too much CPU or the battery calibration issue.

Two Active topics discussing the same..... Anyway, I posted in the other topic my answer.
See here.

Beards said:
Two Active topics discussing the same..... Anyway, I posted in the other topic my answer.
See here.
Click to expand...
Click to collapse
gonna try this one out, my tab drained again at 50% hope it works

Battery drops from 30 to 0 in minutes

Hello,
I have a problem with battery, it drains normally until it reaches 40 or 30 percent, after that it suddenly start dropping rapidly until it shuts off in just a few minutes and acts like dead. I think this started happening after MM update, I've found several answers online but none of them is from an active Note 4 user but from tech specialist, suggesting it might be both a battery problem or a software problem too. Also, some people state that a new battery solved the problem, but also many of them bought the new OEM battery but the problem still exists even with the new battery.
Does any of the users on xda have the same issue after MM? I don't want to waste money for a new battery if it's not a battery problem. And again, I dont know if and when will Samsung release an update for this kind of bug if its a software thing... I would like to know if I'm alone with this and hear some thoughts on buying a new battery or no?

ljubimci said:
Hello,
I have a problem with battery, it drains normally until it reaches 40 or 30 percent, after that it suddenly start dropping rapidly until it shuts off in just a few minutes and acts like dead. I think this started happening after MM update, I've found several answers online but none of them is from an active Note 4 user but from tech specialist, suggesting it might be both a battery problem or a software problem too. Also, some people state that a new battery solved the problem, but also many of them bought the new OEM battery but the problem still exists even with the new battery.
Does any of the users on xda have the same issue after MM? I don't want to waste money for a new battery if it's not a battery problem. And again, I dont know if and when will Samsung release an update for this kind of bug if its a software thing... I would like to know if I'm alone with this and hear some thoughts on buying a new battery or no?
Click to expand...
Click to collapse
It's your battery!
Your battery has deteriorated to a point that it only hold around 70% of its original capacity.
I have 4 original batteries which 2 of them are new & 2 of them are old, deteriorated ones.
One of them only holds around 70% like yours & one of them holds around 90%.
The new ones.....they works perfectly.
They holds around 99%.
Remember that lithium batteries deteriorates through time whether you use it or not.

Thanks for your opinion.
Once it also happened that my battery level was showing 50% and in the middle of browsing, my display went black, touch keys working and display is completely black. Even after a couple of restarts and cache wipe from recovery it remained black after booting, while the screen was working properly on the boot and showing samsung logos and all. I assumed there's a voltage problem, but I still was not sure is it a defective battery or system not reading the level of it properly. Never happened before with any of my previous Samsungs.

I've got almost same problem as @ljubimci.
The only problem is that I bought new battery (from samsung shop, 100% original not fake) and it dies even faster then my old one
The bigest drops are when i use high demanding aps, especially camera (4k recording) then it can drop from 60-70% to 0 in "0 minutes". This started to happen to me on MM, so i downgraded to LP (5.1.1) Nothing changed... And at the end i've changed my ROM to stock, unrooted 4.4.4 (ANK4). Problem still existing End the last biggest problem of them all is that i've lost somwhere my receipt, so i can't give samsung my battery back ;-(
I know that to some people changing ROM's help, to some new battery help, and it looks like to me only xda can help Is there a possibilty that new battery is damaged, or maybe there are any kind of fixes?

MarcinMilosz13 said:
I've got almost same problem as @ljubimci.
The only problem is that I bought new battery (from samsung shop, 100% original not fake) and it dies even faster then my old one
The bigest drops are when i use high demanding aps, especially camera (4k recording) then it can drop from 60-70% to 0 in "0 minutes". This started to happen to me on MM, so i downgraded to LP (5.1.1) Nothing changed... And at the end i've changed my ROM to stock, unrooted 4.4.4 (ANK4). Problem still existing End the last biggest problem of them all is that i've lost somwhere my receipt, so i can't give samsung my battery back ;-(
I know that to some people changing ROM's help, to some new battery help, and it looks like to me only xda can help Is there a possibilty that new battery is damaged, or maybe there are any kind of fixes?
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I think that you bought a faulty battery