Hi people... i think that Samsung has got a little of troubles of making batteries and charging philosophies.
I has got two devices that are the last technology from samsung, the nexus s and the galaxy s2 right now.
The nexus s has got a very strange trouble (until now not fixed) that battery never reach full 100% state in charging. And much very very long charging time.
The Galaxy S2 reach 100% but takes too much time to charge. It's possibile that never one has think about modifying this?
Where we can start to mod this ? Inside the kernel? Inside bootloader?
I think it's not only a mine trouble
i think its the battery charger not the phone, which makes it so slow
simax said:
i think its the battery charger not the phone, which makes it so slow
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even using apple 1A charger the charging time remains the same!
kawa636r said:
even using apple 1A charger the charging time remains the same!
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Click to collapse
anybody know a program or a system commands that can show how much amp is going to battery?
5 views, 4 replies, justshows how desperately we want this...
Mine finishes very quickly. about 1-2 hours when it's at 25 percent. And you cant fix charging. Remember that it is a big battery.
Ever tried using an adaptor for a device that has a lower rating than the adaptor? Ever heard that pop and the smell that follows?
Learn to be patient. Last thing you need is for the battery to blow up and destroy your phone.
protip: turn off your phone while you're charging with AC and not USB.
it could be your USB (and by extension, your PC) is not providing enough power to the USB ports. It happens.
My phone charges in 4 hours with AC when the phone is off. 5 when on.
6 hours on USB, phone off. 8 phone on.
It can be "fixed" in the kernel.
Samsung made it charge slower so that it charges better.
Faster charging = more heat = more dissipation, and potentially other problems.
Even though its a safety feature, its ridiculously slow. Phones takes AGES for a full charge.
these new phone are strange
my old i8910 HD charges full in like 30 min
and stays without a charge for 3+ days
Mine charges slower than htc but no too slow.. I'd say 2.5 hours full charge
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qwerty warrior said:
these new phone are strange
my old i8910 HD charges full in like 30 min
and stays without a charge for 3+ days
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Click to collapse
Are you serious? I guess it is humor. Either way, it made me laugh
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eRajesh said:
Even though its a safety feature, its ridiculously slow. Phones takes AGES for a full charge.
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incredibly true!
mynameisjon said:
My phone charges in 4 hours with AC when the phone is off. 5 when on.
6 hours on USB, phone off. 8 phone on.
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Click to collapse
too much slowly. I prefer changing battery every 2 years but have a more speedy charging, specially when i'm in middle of day (usually i charge it in the night, but sometimes can't last the entire day)
Rawat said:
It can be "fixed" in the kernel.
Samsung made it charge slower so that it charges better.
Faster charging = more heat = more dissipation, and potentially other problems.
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Click to collapse
I think that we must ask to someone to have look at kernel.... i will try to make it too
kryptoner said:
5 views, 4 replies, justshows how desperately we want this...
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lolololololololololololol
Do you guys not get more than 3-4 hours of sleep?
Do you guys exhaust the battery to the point where the phone turns itself off before plugging it in?
Can you not plug your phone in before you go to bed?
I always plug my phone in before I go to bed (usually with 10-20% remaining) and I don't remember a time where I wake up in the morning and the phone isn't 100%.
I'm not trying to be cynical...just curious what other people's routines are when 3-4 hours to charge a phone becomes an issue.
A complaint like this wouldn't even cross my mind.
I need a faster charge too. Not because I'm impatient but because the phone can use more current then it can charge, especially during car navigation.
Eclypz said:
Do you guys not get more than 3-4 hours of sleep?
Do you guys exhaust the battery to the point where the phone turns itself off before plugging it in?
Can you not plug your phone in before you go to bed?
I always plug my phone in before I go to bed (usually with 10-20% remaining) and I don't remember a time where I wake up in the morning and the phone isn't 100%.
I'm not trying to be cynical...just curious what other people's routines are when 3-4 hours to charge a phone becomes an issue.
A complaint like this wouldn't even cross my mind.
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Click to collapse
+ 1000
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Well, the issue here is obvioisly not when sleeping (and yes I slept 3 hrs last noght and got a full charge...bit when on car or @ work, lunch time etc...those little precious weird moments u get in a daily basis when u arent using ur phone and got a charger at hand....maybe it would be possible to make an app which would allow toggling fast charging or slow charging, that way we could have both....fast ( on the run) and slow (night) modes....that would be really nice......but wait....winmo had this remember?
Related
Has anyone else seen this? From 100 to 90% the power just drops almost instantaneously but after 90% its normal.
Already been brought up, a lot.
Apparently when your phone charges up it stops once it reaches ~100% and begins discharging, even though it is still on the charger. People will turn their phone off after a full charge and charge for an additional 20min to an hour before they get another green LED. People have reported much longer battery life when doing this, but it is a pain in the ass.
Studmf said:
Already been brought up, a lot.
Apparently when your phone charges up it stops once it reaches ~100% and begins discharging, even though it is still on the charger. People will turn their phone off after a full charge and charge for an additional 20min to an hour before they get another green LED. People have reported much longer battery life when doing this, but it is a pain in the ass.
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Ahh interesting. I thought I was running into an old winmo rom flashing issue where if you flashed under 50% battery life you could never charge the device above that point.
Yea it sucks but it works... I just ordered an external battery charger since I have 2 batteries now so I don't have to do this anymore
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two_cents said:
Yea it sucks but it works... I just ordered an external battery charger since I have 2 batteries now so I don't have to do this anymore
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Hmm i tried and it acted the same way.
Apparently the HTC models act like older phones did back in the day. What HTC needs to do is put something on the phone face itself when new that says "CHARGE FOR 4 HOURS BEFORE INITIAL POWER ON FOR MAXIMUM BATTERY LIFE."
Once you do this once you dont have to keep doing it. I also powered on my phone the minute I got it and activated it without charging it first and I was seeing this issue until I did a power off charge. The phone runs from 6am to 11pm without an additional charge cycle in the day and that is a huge improvement for me. I was charging the phone twice to three times daily.
I have NEVER EVER had a phone that took so LONG to charge up!
Is it just mine? Maybe it's defective? What on earth did they do?!
Takes probably like HOURS to get to 100% with the screen, bt,wifi OFF!
And what's crazy is that after the phone says it's fully charged I unplug and the battery meter drops to 96-97%%. THAN it takes more time to get to 100% again.
If I didn't like this phone so much I take it back so fast!
Does you phone take really long to fully charge?
The charger is slower. This helps extend battery life typically.
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Welshy992 said:
The charger is slower. This helps extend battery life typically.
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Really? Didn't know that. Can I get a faster charger then? I'd rather my batter charged in 20 min and have to get a new battery every couple months than have to wait nearly four hours.
Other than that I'm loving this thing.
Do you not charge it when you goto bed? When I wake up mine is fully charged. I don't check to make sure its 97% or anything like that, but when I goto bed its been known to have around 70%.
Of course mine is coming off the charger at 6am and I normally goto bed around 10:30-11:00pm.
As for charging a battery for 20minutes and having it full I've never seen that in any phone I've ever owned. You could buy a quick charging car plug, but personally I wouldn't recommend it for charging all the time.
GO HERE FOR EXPLANATION
kizer said:
Do you not charge it when you goto bed?
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Click to collapse
Of course I do. But I use my phone way more than most people. So I have to charge at least once during the day. And that takes forever. I'm going to have to buy and extra battery with external battery charger to just SWAP!
Glad this is "normal" thought my phone was defective.
kizer said:
Do you not charge it when you goto bed? When I wake up mine is fully charged. I don't check to make sure its 97% or anything like that, but when I goto bed its been known to have around 70%.
Of course mine is coming off the charger at 6am and I normally goto bed around 10:30-11:00pm.
As for charging a battery for 20minutes and having it full I've never seen that in any phone I've ever owned. You could buy a quick charging car plug, but personally I wouldn't recommend it for charging all the time.
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Well I'm coming from a old phone that would charge to full in about an hour and be functional for 3 days. I didn't expect that with this phone (with the sweet screen and processor) but I am barely making 24 hours. I don't have GPS or Wifi on all the time and keep my screen on a low brightness setting. I AM playing around with it all the damn time though.
Anyway a normal charge at night works most of the time but it's good to know I can get a faster charger for the times when I need the power right away.
Also, any way to see the battery usage for the life of the device?
That's a smart phone for you. Never had a smart phone that would last more than 2 days tops, and that's with light use. But with moderate to heavy use,a day is it, maybe even a quick charge in the afternoon depending on how heavy the use.
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ram100987 said:
That's a smart phone for you. Never had a smart phone that would last more than 2 days tops, and that's with light use. But with moderate to heavy use,a day is it, maybe even a quick charge in the afternoon depending on how heavy the use.
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If the Nokia e72 is considered a smartphone that phone lasted for days!
I know it has a small screen and all that but still, the battery was AMAZING!
The S2 takes forever to charge the battery. Coming fron the iphone 4 i suspect this takes ay laeast twice as long to charge!
Considering the battery performance isnt that great, this is a double whammy!
What do you guus think?
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Yeah, I noticed the same thing. I'm always charging it when I'm at home to keep it fully charged, in case I'm going out.
charging takes me about 3hours (from empty). It is stanrard time
Same here for charging. Between 3 & 4 hours. But battery life is getting better especially if i disable 3G and wifi
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Im using nokia charger 1.2A and HTC charger 1A and also i have 0.7A all of them takes about 3 hours may be hardware bug?
I've been using a BB charger for it, and thought maybe that was the reason. Glad to know it isn't.
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Yep, I confirm.
Charging takes around 3 hours.
I can use it almost 48 hours before it needs to be charged again. So it is not really annoying.
Stock SGS 2 with official battery charger and a full drained empty battery 3.5 hours to charge to 100% .
jje
tanseerj said:
The S2 takes forever to charge the battery. Coming fron the iphone 4 i suspect this takes ay laeast twice as long to charge!
Considering the battery performance isnt that great, this is a double whammy!
What do you guus think?
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About 3 hours here which is fine, charging from the supplied charger connected to electricity mains. Are you charging via the USB connector? It will take a lot longer, something called trickle charge or something like that.
JJEgan said:
Stock SGS 2 with official battery charger and a full drained empty battery 3.5 hours to charge to 100% .
jje
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Same here... It takes too long to charge...
Same here... It takes too long to charge...
No it takes the normal time but if its to slow for you dont drain it or sell it .
jje
I noticed this when my brother bought the same phone. His takes a ridiculous amount of time to charge, maybe 1% per 10 mins or so and it gets really hot while doing so.
Mine on the other hand doesn't get hot at all and charges at least 3 times faster than his.
please state charge state, ages, fast normal etc.
firmware and revison thanx
The charger shipped with my S2 has only 700mA...
especially if you are using the phone (worst: gaming) while charging it seems to get never finished . I guess the current drain doesn't left much for the charging.
So i'm using my old HTC-chargers (one AC=>USB and AC=> MicroUSB) witch both supplies 1000mA.... ~43% more in theory
Hard to say how big the advantage is in fact, but it makes a difference.
Also keep in mind, that a standard USB-Port supplies max. 500mA, depending on other USB-devices even much less. I also read that the charging result is "better" if you not using it in the meantime.
You can buy USB-Chargers up to 2100mA (e.g Amazon), but i have doubts that this will be improve the charging time because on the type-label behind the battery is written Rated : 3,7V-1000mA. Even more current wouldn't not damage the device (afaik!!!), the device or the battery could not charge faster.
Maybe somebody knows about what is meant by the the 1000mA exactly. Would be nice if the device could be charge a little bit faster.
Otherwise i am going to buy a 2nd battery with an external charger.
greetings
I found this on Android Forum
lotus49
USB charging is slow on the S2 as it uses trickle charging
"Trickle" is an exaggeration.
The phone can tell whether it's connected to USB or a mains charger. If the latter, it limits charge current to 650mA. If the former 400mA.
It will charge faster on the mains but not loads faster.
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SLaRe said:
Same here... It takes too long to charge...
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I usually sleep more than 3.5 hours per day so I don´t see any problem in the charging time
JJEgan said:
No it takes the normal time but if its to slow for you dont drain it or sell it .
jje
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Click to collapse
My other cell phones are fully charged in 2 hours, more or less. And yes, I'm considering selling it, because I like to use my gadgets and the SGSII doesn't admit an intensive use without running out of battery, unless you have a second battery.
rj3005 said:
I usually sleep more than 3.5 hours per day so I don´t see any problem in the charging time
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Click to collapse
Yeah, I do sleep more than 3.5 hours per day and I try to charge it every night, but the problem is when the phone runs out of battery in the middle of the day and you don't have 3.5 to spend in charging it fully.
I think the iphone 4 is only a 1420Mah battery if I remember correctly while ours is 1650. Sure, it takes perhaps another hour to charge but I don't find it a big deal. It does appear that the first 50% charges faster then the second half as well but that could just be my imagination.
I have read that Samsung phones charge slower so that the battery life will be longer than that of those other phones such as HTC where the phone charges a lot faster. I'd rather get another year out of my battery and it take longer but do admit 3.5 hours does seem like a while.
this topic has been covered. teh SGS2 battery driver is capped at 650 mA for wall charging, 450 mA for USB charging. this code resides in the battery driver.
someone could compile a new kernel with this value raised. other phones like the nexus one charge at 980 mA for wall charger, 480 for USB.
samsung capped charge current, likely for heat issues, nobody really knows.
same. take long time to charge and heating if charge n gaming. the hottest spot at camera side
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Strange Issue!!
when my phone is low on battery and i try to charge it (with the original ac charger or the usb); sometimes (almost half the times) the phone instead of charging .... DISCHARGES!!
i have tried all possible fixes. tried the battery calibration apps also. but it gets ok for a day and then back.
i can only charge my phone while its switched off!
Details:
1. on stock TW4
2. 3 pages on home
3. total widgets= 6 ( advanced task killer; digital clock; 2- circle launcher; quick battery; weather)
4. i kill all tasks always before charging!
WHAT AM I DOING WRONG? BTW I HAVE TRIED TO REMOVE ALL WIDGETS AND CHARGE ALSO! NO LUCK!
HELP!!
It sound like you might have a faulty charger, have you tried charging from your notebook, it`s a bit slower at 400mah compared to 650mah for the mains charger.
Tinderbox (UK) said:
It sound like you might have a faulty charger, have you tried charging from your notebook, it`s a bit slower at 400mah compared to 650mah for the mains charger.
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Click to collapse
Yes, as a matter of fact, right now i am trying to charge through USB with the same drainage.
Switch the phone off for a while!... let the sucker charge.
And the problem is not always!
this is normal, already been posted. the charger is limited to 650 mA on wall power, and 450 mA on USB power. so it is easily possible to pull more power than is going into the device, say if you are gaming or pushing the device hard with navigation or similar.
next time this happens, turn off the screen for 10 minutes as a test, then come back, and see if the charge increased at all. it likely will increase.
RogerPodacter said:
this is normal, already been posted. the charger is limited to 650 mA on wall power, and 450 mA on USB power. so it is easily possible to pull more power than is going into the device, say if you are gaming or pushing the device hard with navigation or similar.
next time this happens, turn off the screen for 10 minutes as a test, then come back, and see if the charge increased at all. it likely will increase.
Click to expand...
Click to collapse
yup! i was having the same problem and did this Roger says and its exactly that... GL
if your phone is hot too it will not charge as well.
RogerPodacter said:
this is normal, already been posted. the charger is limited to 650 mA on wall power, and 450 mA on USB power. so it is easily possible to pull more power than is going into the device, say if you are gaming or pushing the device hard with navigation or similar.
next time this happens, turn off the screen for 10 minutes as a test, then come back, and see if the charge increased at all. it likely will increase.
Click to expand...
Click to collapse
My problem is when I'm not using the phone at all and the screen is off. Tried charging through both wall and usb charger.
The only way right now I can charge my phone is while switched off.
I always kill all apps before charging also... Still!
And if its charging while on, screen off, it gets hot also.
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vinaymieux said:
My problem is when I'm not using the phone at all and the screen is off. Tried charging through both wall and usb charger.
The only way right now I can charge my phone is while switched off.
I always kill all apps before charging also... Still!
And if its charging while on, screen off, it gets hot also.
Edit: i also have read in many places that using task killer actually cause more harm than good bcoz it disturbs the proper sequece of how android shuts down an app or process..and cleans up the memory..this will result some of the apps or process to stay awake or come awake again when it sould be sleeping...
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Click to collapse
I once had this problem..after charging for 6 hours battery was only at 60% and phone was hot..found out that although the screen was off..the phone was wide awake all the time. For me the issue was the wifi manager was somehow awake and consuming power..hence phone was hot and battery drain while charging. Check your battery usage graph and see if your phone is awake when it should not be..and pin down the rouge app or process..
Hope this helps..
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I've got a similar problem, while charging in a car using the SGS2 for navigation. BTW, what is the maximum Amper I can charge the phone without damaging it?
I really dont understand why Samsung keeps supplying this crappy charger. Desire Z and iPhone 4 both came with 1000mAh ones. Super fast charge on both! Come on sammy... This isnt a 900mAh feature phone. This is a big battery hogger dual core with a large battery inside!
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SkulleD_PT said:
I really dont understand why Samsung keeps supplying this crappy charger. Desire Z and iPhone 4 both came with 1000mAh ones. Super fast charge on both! Come on sammy... This isnt a 900mAh feature phone. This is a big battery hogger dual core with a large battery inside!
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I am using HTC's 1000mA charger and still,this happens to some extent,only much less.Try overclocking the hell out of it and then start benchmarking.Charging?Hell no.You may even need to draw power from the house next to yours!
SkulleD_PT said:
I really dont understand why Samsung keeps supplying this crappy charger. Desire Z and iPhone 4 both came with 1000mAh ones. Super fast charge on both! Come on sammy... This isnt a 900mAh feature phone. This is a big battery hogger dual core with a large battery inside!
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I read somewhre in this forum that samsung has set a limit of max amperage on this device to below 700 miliamp( cant remember the exact value for ac charging and usb charging) so thts why the charger is rated to 700mah
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iznee said:
I read somewhre in this forum that samsung has set a limit of max amperage on this device to below 700 miliamp( cant remember the exact value for ac charging and usb charging) so thts why the charger is rated to 700mah
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Click to collapse
That's right,but if the charger was 1000mA like HTC's it would continue to draw those 700mA it needs even while in use.You wouldn't notice any difference at all with it charging while not being used,but when screen is on there is a difference.
They limited charge current to 650 mA in the driver code, so that's why they use a 0.7 A charger. Using a higher output won't help unless someone compiles a new kernel.
I charge the phone until 100%. When unplug, it immediately drops to 85%-90%. On one occassions, it dropped to 40%! What's wrong with it?
iCatchU said:
I charge the phone until 100%. When unplug, it immediately drops to 85%-90%. On one occassions, it dropped to 40%! What's wrong with it?
Click to expand...
Click to collapse
As i posted before...something is always awake on your phone..try looking at your battery graph..and i am sure your device is quiet warm..
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iznee said:
As i posted before...something is always awake on your phone..try looking at your battery graph..and i am sure your device is quiet warm..
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Click to collapse
Thanks. But...i tried charging it whilst it was turned off. The icon showed 100%. I then unplug and switched it on. The same happened. So, it should not be Apps related. Right?
iCatchU said:
Thanks. But...i tried charging it whilst it was turned off. The icon showed 100%. I then unplug and switched it on. The same happened. So, it should not be Apps related. Right?
Click to expand...
Click to collapse
I suggest you do a simple trouble shooting...charge your phone to 100% while it is off.
Than unplug, switch on your phone and just leave it for half hour or an hour without doing anything.
Than swith your display on...and go to settings
Select about phone..
Go to battery use and tap on the graph.
It will show you a few horizontal lines.
Make sure your screen on and awake time bars coincide nicely.
While your screen is off your awake bar should be very very minumum... most of the high battery drain casses will have a very short screen on bar but a solid long line of awake time.
This is normally due to some rougue app or process...and you have to narrow it down.
If your graph looks normal..than you could be having a defective battery or in worst case a defective hardware.
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The max of 0.7 amps is a partykiller... When in my car, I'd like to have my phone record everything (dailyroads voyager as dashcam), while navigating... Definitely discharging there while on stock carcharger! So I will have to choose when I'm going on holiday (12 hours drive...)
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I had a same problem before. But after I reflash 2-3 times (literom 1.5 for now) it's gone, and charging normal on car and wall charger while gaming or navigate.
The note is a disaster for me when it comes to charging.
If your battery is low and you start charging it but using it at the same time, it doesn't get worse, but it doesn't get better either i.e. actually charge the thing, it just holds its own.
I have got to say I am not impressed with this!
I am not facing such problems. Charging takes pretty long yes but not as bad as you said. A larger battery will of course need a longer time to charge. But I wonder sometimes too if it's the battery problem or the charger output problem and if there's a way to speed up the process.
Jasonchewy91 said:
I am not facing such problems. Charging takes pretty long yes but not as bad as you said. A larger battery will of course need a longer time to charge. But I wonder sometimes too if it's the battery problem or the charger output problem and if there's a way to speed up the process.
Click to expand...
Click to collapse
I think it is more to do with the actual charger, seems like a trickle charge or something.
Yes if charging and using at the same time you would not expect it to charge as quick, but mine doesnt really charge at all, just stays the same.
My acer iconia will charge like lightning even when i am using it, smaller battery or not it still charges!
This was one of the things i was looking forward to with the note, but this slow charge seems to make it more or less the same as what I am used to.
I have the usb plug which comes with the kindle, might it do a better job?
If anyone manages to find a proprietary charger which can produce better charging I will like to know too
That is common the charging is very slow and if you are playing HD games then the charging is almost in negative. May be its because of the voltage of the charger inputs and it is to low. Samsung must have done it for a reason may be its because of the proprietry port or the battery itself we do not know but we need to live it
Agreed, charging this thing takes a long time. Keep in mind that the battery is 7000 mAh and the charger is most likely a 2 amp charger, pegging the charge time at around 4 hours with no other losses. So if you're using it, it should take even longer.
MJ-12 said:
The note is a disaster for me when it comes to charging.
If your battery is low and you start charging it but using it at the same time, it doesn't get worse, but it doesn't get better either i.e. actually charge the thing, it just holds its own.
I have got to say I am not impressed with this!
Click to expand...
Click to collapse
No such issue here. I charge to full capacity while using all the time.
I get what he's saying. Because it draws so much power when you're using it; having it charging at the same time doesn't move the needle much. For example, if you're watching a movie while it's charging you'll probably be at the same point battery wise when the movies over. People complain about this all the time when their using their devices as a GPS. In some cases not only doesn't it charge but it actually continues to drain so you're worse off from where you started. We're using 21st century toys powered by 20th century battery technology.
BarryH_GEG said:
I get what he's saying. Because it draws so much power when you're using it; having it charging at the same time doesn't move the needle much. For example, if you're watching a movie while it's charging you'll probably be at the same point battery wise when the movies over. People complain about this all the time when their using their devices as a GPS. In some cases not only doesn't it charge but it actually continues to drain so you're worse off from where you started. We're using 21st century toys powered by 20th century battery technology.
Click to expand...
Click to collapse
This is a better way of saying what I mean, thank you.
I also have to say one thing I do not like doing is turning the screen brightness down. After all we all get these things as they look so good, so I am not going to make it look worse when I am using it, what would be the point in that? Its a bit like saying yeah my battery life is 14 days but actually it is on standby for that time lol...
Anyway, I still believe it should be better and the primary cause is the weak charger for what ever reason sammy decided to make it that way, but its not a good thing.
It seems like I remember someone recommending a charger that was more powerful so the note would charge faster. Can anyone confirm this?
What a fail thread. If you know ANYTHING about charging, you would know why this happens and why this is NORMAL.
But why even search or educate oneself, let's post a thread on XDA and whine a bit.
It could be worse. It takes six hours to charge a N10.
I dont face this problem i charge mine when surfing the wep
On a slightly related side note, doesn't it suck that the brightness just turns down completely when the battery is low?
The zslower charge rate protects the batteries life ,reduces the possibilty of heat and battery damage trickling insures a full charge
if you don't want your screen to dim don't use the power saving setting.
Sent using Tapatalk2 from my Note 10.1; the choice of Royalty
For all those facing the slight unresponsive screen please change the source of power, I had mine connected to UPS power supply as soon as I changed and connected it direclty the problem was gone.
Even if you read the user manual of Samsung Note its says thats one of the reasons
How Manhattan hours per day do you use the note? With a 10hrs battery life I find an overnight charge is sufficient
Sent from my GT-N8010 using Tapatalk HD
Szadzik said:
What a fail thread. If you know ANYTHING about charging, you would know why this happens and why this is NORMAL.
But why even search or educate oneself, let's post a thread on XDA and whine a bit.
Click to expand...
Click to collapse
Wow! many friends?
Anyway moving on.. so i just got my note 10.1 about a week ago, loving it but saw that while plugged in it was not charging at all while i was using the tablet and never quite getting to 100% overnight. By not charging while using, i mean to say that it was actually discharging. Yes of course i am using the stock charger and cable.. and even stock note.
so just tried something silly. Unplugged and plugged the usb from the block repeatedly about 5 times. Now its not only recognizing and charging, but charging relatively quickly even while using. To test, i unplugged for about 20 min and plugged back in. Same great results.
Just thought i would share instead of hoarding my new found knowledge like others..
Quick update: it charged about 10% in 20 min.. Nice
I don't charge mine - I paid cash for it