Database Info

Slow charging

I have decided to move this post from the issues thread to a dedicated one to give it better visibility. If no one else is getting this problem then I will probably return the device.
I have the excellent "devstate" today plugin application installed which gives the battery charge level in 1% steps. When I say slow, it takes around 3 mins to increase by 1% which means it will take 4 hours for 80% charge (too long) when this is the case, the back doesn't heat up.
I have seen it charge much faster on one occasion i.e. around 1% a minute and the back was warming up (this is logical if more current is flowing) I was wondering the cause of the slow charge is that the device thinks it is connected to a pc and the charging current is limited. Also when you plug the cable sometimes the menu pops up asking whether you want to enter activesync/disk drive mode but doesn't on other occasions. There doesn't seem to be any pattern to it.
Another observation is that a soft reeboot occasionaly gives wildly varying battery levels for example before reboot the charge might be 100% and straight after the reboot 90%, or 83% before and 100% after. Interestingly before turning on the device for the first time I fully charged the battery, but up on boot up it was reporting 60%! (maybe it didn't charge at all when it was switched off and 60% was the initial amount of charge the battery came with) Have I got a duff battery or some issue with the device itself?
I seems like the battery charges fast up to 75% at around 1% a minute but then slows down to 1% every 3 to 4 minutes. Maybe this is the charging profile for this battery. Has anyone else noticed this?
Here are a couple of threads from the diamond section regarding the sort of issues I am experiencing but there doesn't seem to be a conclusive fix.
http://forum.xda-developers.com/showthread.php?t=406230&highlight=slow+charging
http://forum.xda-developers.com/showthread.php?t=401945&highlight=charging
Could people please answer the following questions to help me decide whether I have a faulty device/battery or some ROM issue which all of us have. I have the stock UK touch pro ROM 1.90.405.1 WWE.
1) If you fully charged the battery before powering on for the first time, what was you battery charge level immediately after power on?
2) Have you noticed fluctuating charging rates?
3) Soft reboot gives different battery charge levels.

Just a quick Q, which charger are you using? Can you just post the amp / volt data printed onto it for us?

I am using the one that came with the touch pro, model no TC P300, its output rating is 5V at 1A. Input rating 100-240V
I have also tried the mda vario III charger and I get similar results i.e. fast charge up to 75% then slow afterwards.

As i stated in the other tread with the "Raphael issues" i have the same problem.
When i use the shiny new charger with the "usb-mini usb" cable i takes 7-8 hours to completely charge the device. (output is 5V-1A)
However, when i use my good old Hermes charger, or any other 5V-1A charger, it goes to 100% in about 3 hours.

Mine charges up to 90% from 10% in less than 3 hours after which it stays @ 90% (According to the built in battery meter of the device) forever. Is it a faulty battery or its supposed to be like that?

WDawn said:
As i stated in the other tread with the "Raphael issues" i have the same problem.
When i use the shiny new charger with the "usb-mini usb" cable i takes 7-8 hours to completely charge the device. (output is 5V-1A)
However, when i use my good old Hermes charger, or any other 5V-1A charger, it goes to 100% in about 3 hours.
Click to expand...
Click to collapse
And do you get varying battery levels on soft reboot?
3 hours is probably what I would get i.e. "75% at 1% a minute = 75 mins" PLUS "25% at 1% every 4 mins = 100 mins" giving a total of 175 mins.
question is that is this behaviour normal for touch pro or only present on
some device/battery/chargers.
I also have another issue, this time regarding interference on speaker, see this thread:
http://forum.xda-developers.com/showthread.php?t=419761
If only my touch pro has these faults then I want to replace it asap, especially when having paid £500 for it.

billu said:
And do you get varying battery levels on soft reboot?
3 hours is probably what I would get i.e. "75% at 1% a minute = 75 mins" PLUS "25% at 1% every 4 mins = 100 mins" giving a total of 175 mins.
question is that is this behaviour normal for touch pro or only present on
some device/battery/chargers.
I also have another issue, this time regarding interference on speaker, see this thread:
http://forum.xda-developers.com/showthread.php?t=419761
If only my touch pro has these faults then I want to replace it asap, especially when having paid £500 for it.
Click to expand...
Click to collapse
Yes i do get varying levels on reboot, but i got that with my Hermes and Magician too. So i wouldn't worry about it. Usually when you softreset while it's charging you get a higher battery reading then you should have, but it wil drop after some time to it's real level.

WDawn said:
Yes i do get varying levels on reboot, but i got that with my Hermes and Magician too. So i wouldn't worry about it. Usually when you softreset while it's charging you get a higher battery reading then you should have, but it wil drop after some time to it's real level.
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Click to collapse
This happens when its not charging. I don't get this with the vario III. Maybe it is ROM dependant. The other concern was after having charged the device fully when switched off, it reported 60% on power up. I might let the battery drain to a low level then charge when switched off to see whether it charges at all. Some diamond owners were also reporting this.

Hmm, got the same thing tonight with my Hermes charger, has been charging for 6 hours and still not fully charged, now at about 80%. Very strange. Are there more people experiencing this?

billu said:
Another observation is that a soft reeboot occasionaly gives wildly varying battery levels for example before reboot the charge might be 100% and straight after the reboot 90%, or 83% before and 100% after. Interestingly before turning on the device for the first time I fully charged the battery, but up on boot up it was reporting 60%! (maybe it didn't charge at all when it was switched off and 60% was the initial amount of charge the battery came with) Have I got a duff battery or some issue with the device itself?
Click to expand...
Click to collapse
This didn't appear to happen to me on the first charge, but I turned it on immediately after putting the battery and SIM in place, and then I charged (I don't remember what the initial battery charge was). I've not noticed such wildly inaccurate readings after reboot either. I haven't specifically checked for inaccuracy in the battery meter, but I would (probably) have noticed such a big difference.
Have you tried to do a full discharge and charge cycle? This is necessary after around every 30th charge to recalibrate the gauge so that it is as accurate as possible. I know yours probably haven't gone through 30 charges yet, but it may be worth trying.
billu said:
I seems like the battery charges fast up to 75% at around 1% a minute but then slows down to 1% every 3 to 4 minutes. Maybe this is the charging profile for this battery. Has anyone else noticed this?
Click to expand...
Click to collapse
This is normal for lithium-ion batteries. The last 20% or so can take as long as the first 80% to charge.
Sources:
- Lithium-ion battery (Wikipedia)
- Charging lithium-ion batteries (batteryuniversity.com)
- Lithium-ion Batteries (Apple.com)
billu said:
I have the stock UK touch pro ROM 1.90.405.1 WWE.
Click to expand...
Click to collapse
Same as mine.
WDawn said:
Hmm, got the same thing tonight with my Hermes charger, has been charging for 6 hours and still not fully charged, now at about 80%. Very strange. Are there more people experiencing this?
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Click to collapse
When charging I usually leave mine overnight, so I think I've only charged it once during the day, and then I think this was through USB while connected to the PC so it may have been a bit longer than 'normal' (3-4 hours) for that reason. I'll keep an eye at it next time I do it during the day.
Six hours plus sounds far too long though, do you have a chance of trying the battery in another device, or another battery in your device?

Incarniac said:
Six hours plus sounds far too long though, do you have a chance of trying the battery in another device, or another battery in your device?
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Click to collapse
Nope, don't have a second Touch Pro around here, but this is really annoying, I need a fully charged battery in the morning. If this is hardware related i'd return it to get a replacement.

hmm, this is interesting.....so just to clarify we are seeing slower charging with the bundled adapter: which is essentially an AC to USB power transformer?? If the USB port on that (yes i know its power only) is capable of supplying only a standard ammount of juice then your battery may charge to 100% as slowly as from a pc or car charger..
..id like to perhaps see if i can meter the current and voltage coming from it but would need me to cobble together a breadboard with the relevent power points.
Is the hermes / kaiser charger charging it fully in less time?? (to clarify)

Incarniac said:
Have you tried to do a full discharge and charge cycle? This is necessary after around every 30th charge to recalibrate the gauge so that it is as accurate as possible. I know yours probably haven't gone through 30 charges yet, but it may be worth trying.
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Click to collapse
Yes I drained the battery till the phone switched off by itself but still have this problem. I suspect there is a problem either with the phone itself or the battery as supposed to a ROM issue. I thought all the clever charging circuit is in the battery these days and it's the battery which reports it's charge level to the device too. If this is true then probably the battery is faulty but I am not going to buy another one just to find out. I'll try to get a replacement for the touch pro tomorrow when the shops open.

billu said:
I thought all the clever charging circuit is in the battery these days and it's the battery which reports it's charge level to the device too.
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Click to collapse
It is, but even so the gauge (in the battery) needs recalibration once in a while, hence the full discharge/charge cycle every 30th charge or so (other than that it is recommended to charge li-ion batteries often, and not deplete them fully).
Your next port of call is probably to see if another battery makes a difference.
WDawn said:
Nope, don't have a second Touch Pro around here, but this is really annoying, I need a fully charged battery in the morning. If this is hardware related i'd return it to get a replacement.
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Click to collapse
Today I charged my phone from empty to full while connected to the PC, which took around 3 hours 30 minutes (phone not used except to check charge levels towards the end).

the charging cycle on mine has been a little erratic too.
I put it on charge at 9pm last night, at 6.30 this morning it was at 88%. 9 hours and not fully charged!!...still, 3 hours later and it's on 87%. so I think its more a case of requiring a few charge/discharge cycels to settle the guage down a bit.

This night it fully charged in 5 hours. While yesterday it wasn't completely charged in over 8 hours. There doesn't seem to be a pattern in this.

Yesterday it was showing 48% battery level at one time, a soft reset later 28%, another soft reset and it was 24%. Today I have sent it back for a replacement. Can those people affected by this issue please state where they bought it from, in order to figure out whether it might be a faulty batch. I bought mine from clove technology in the UK.

billu said:
Yesterday it was showing 48% battery level at one time, a soft reset later 28%, another soft reset and it was 24%. Today I have sent it back for a replacement. Can those people affected by this issue please state where they bought it from, in order to figure out whether it might be a faulty batch. I bought mine from clove technology in the UK.
Click to expand...
Click to collapse
Mine came from Expansys.be, please let us know your new unit has the same behaviour.

Will do if I get a replacement one, they have satisfy themselves that there is fault first. Will probably take around 3 days. I miss my touch pro already.....
Oh well back to the vario III for the time being, seems cumbersome already in comparison.

Hermes Charger
mrvanx said:
Is the hermes / kaiser charger charging it fully in less time?? (to clarify)
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Click to collapse
Whilst I don't have any exact figures to hand, my hermes charger took about 45 mins (Give or take a little.)
I've been using the standard Raphael charger today and charged from 50% and it's still going after 1 hour 20 mins and only at 90%
I know the final 80% takes a lot longer, but even so.....

Does charging take awhile on yours?

Charging seems to be taking a really long time on mine and was wondering if this is common, or if mine might be defective...
Please let me know what you find, thanks.

I think this is normal as it has a large capacity battery. Mine too takes a while to charge and I remember reading a review where the reviewer also said it took ages to charge.

Itchiee said:
Charging seems to be taking a really long time on mine and was wondering if this is common, or if mine might be defective...
Please let me know what you find, thanks.
Click to expand...
Click to collapse
I have no idea how long it "normally" takes to charge the Note 10.1 but considering the 7000 mAh battery I would say that it will take a while to charge the tablet.
I'm sure that you can calculate this although I do not remember the formula anymore.
Why not try to search on wolfram alfa from the tablet, I'm sure you can find the answer there?

Yeah, I mean I plugged it in around 12:30am with about 20 percent battery and it's now 9:00am and it's showing 80 percent charged. This is estimated since when off it only list charges in 20/40/60/80/100 sections. I'll buy it takes awhile but this is a quite a long while. I also have an Acer A700 that has a 9800mah battery that doesn't seem to take as long to charge. I'm just concerned that I may have a charging issue...
Other then that this is a great tablet!

Itchiee said:
Yeah, I mean I plugged it in around 12:30am with about 20 percent battery and it's now 9:00am and it's showing 80 percent charged. This is estimated since when off it only list charges in 20/40/60/80/100 sections. I'll buy it takes awhile but this is a quite a long while. I also have an Acer A700 that has a 9800mah battery that doesn't seem to take as long to charge. I'm just concerned that I may have a charging issue...
Other then that this is a great tablet!
Click to expand...
Click to collapse
It should take around 7 hours to charge. The Tab 10.1 did.

Itchiee said:
Yeah, I mean I plugged it in around 12:30am with about 20 percent battery and it's now 9:00am and it's showing 80 percent charged. This is estimated since when off it only list charges in 20/40/60/80/100 sections. I'll buy it takes awhile but this is a quite a long while. I also have an Acer A700 that has a 9800mah battery that doesn't seem to take as long to charge. I'm just concerned that I may have a charging issue...
Other then that this is a great tablet!
Click to expand...
Click to collapse
That seems like an inordinately long time. I put mine on the charger at 1:30 last night at 40% and when I woke up this morning at 7:30 it was so full. I guess that's only 60% and I suppose it might have just finished charging right when I woke up.....

Last night mine charged from 30% to 100% in about 4 hours.
Sent from my GT-N8013 using xda premium

Better to charge slowly and have a longer life from the battery, unlike some devices that shove loads of current into the battery in a short time.

Yes - the charge takes awhile, but then the battery life on this model seems to be doing very well.

Is the charger to the Note 10.1 a 1A charger (same current as the one to the Note phone)?
Edit: Never mind, I found the answer here.

Mine went from zero to 50% in two hours with the Note off. Turned it on with wifi on and screen off, charged from 50% to full in another 2.5 hours.

It's normal better use some batter saver apps
sent from my htc

In case anyone cares my replacement (switched from 16gb to 32gb) charges at a reasonable speed.
Even with my 10ft aftermarket cable! The stock one is way too short and will be used for data link on the PC.
Case closed!

[Q] One X's horrible charging??

Has anyone experienced problems with the way their One X charges? Mine charges blazing fast and well all the way from 1 to 90 in about an hour and sometimes an hour and half, but then from 91 to 100 it takes easily another hour... and not just that, if i use the phone to talk or play a game while its charging from 91 to 100, sometimes it'll stop charging or even discharge!! i always keep it cool cause i know overheating causes it to stop charging for a while and I always make sure the charger is connected correctly both to the outlet and to the phone, cause if its a little loose on the outlet it also causes it to charge slowly i know all of that... literally I check everything and its all fine... soo just me?? or known from then HOX?? ive calibrated lots of times and it happens with all roms even stock ones....
EDIT: added a screenshot so u see wt i mean, and yes i did unplug it twice but that has nothing to do with the problem, it has happened letting it charge straight from 1-100 too

ive never seen this problem, it could be the rom/kernel too

XsMagical said:
ive never seen this problem, it could be the rom/kernel too
Click to expand...
Click to collapse
well ive tried em all, currently running your LE rom and battery life is great on it and other roms aswell, but charging has been an issue with all roms since i rooted... maybe a bad battery?? though im pretty sure it was ok the first few days before rooting

Luisit0 said:
well ive tried em all, currently running your LE rom and battery life is great on it and other roms aswell, but charging has been an issue with all roms since i rooted... maybe a bad battery?? though im pretty sure it was ok the first few days before rooting
Click to expand...
Click to collapse
What kernel are you on? And what type of charger
Sent from my Nocturnal'd ONE X

XsMagical said:
What kernel are you on? And what type of charger
Sent from my Nocturnal'd ONE X
Click to expand...
Click to collapse
oem charger and stock kernel, 3.0.8-01564-gdc95f45

Luisit0 said:
Has anyone experienced problems with the way their One X charges? Mine charges blazing fast and well all the way from 1 to 90 in about an hour and sometimes an hour and half, but then from 91 to 100 it takes easily another hour... and not just that, if i use the phone to talk or play a game while its charging from 91 to 100, sometimes it'll stop charging or even discharge!! i always keep it cool cause i know overheating causes it to stop charging for a while and I always make sure the charger is connected correctly both to the outlet and to the phone, cause if its a little loose on the outlet it also causes it to charge slowly i know all of that... literally I check everything and its all fine... soo just me?? or known from then HOX?? ive calibrated lots of times and it happens with all roms even stock ones....
EDIT: added a screenshot so u see wt i mean, and yes i did unplug it twice but that has nothing to do with the problem, it has happened letting it charge straight from 1-100 too
Click to expand...
Click to collapse
It's actually how all Li-Po/Li-Ion batteries charge. Some manufacturers (cough Apple) show the phone/tablet battery at 100% when it is actually only at 90%. It's part of the reason when you do a full cycle of a phone battery you should leave it plugged in for at least one hour after you hit "100%"

Butters619 said:
It's actually how all Li-Po/Li-Ion batteries charge. Some manufacturers (cough Apple) show the phone/tablet battery at 100% when it is actually only at 90%. It's part of the reason when you do a full cycle of a phone battery you should leave it plugged in for at least one hour after you hit "100%"
Click to expand...
Click to collapse
soo when the phone says its at 90% (when it starts gettin slow) its not really at 90%?

Luisit0 said:
soo when the phone says its at 90% (when it starts gettin slow) its not really at 90%?
Click to expand...
Click to collapse
HTC probably is displaying the actual battery percentage. (So it is at 90%). You could test it if you wanted by seeing how much current the phone is pulling when it hits 100%.
For example, I own a new iPad (yeah boo hiss). It will show 100% on the display, but the charger will still be pulling full charging current for 90 minutes or so. Apple displays 100% when the iPad is anywhere above 90% or so. It's the same reason why some phones will seem to take forever to go from 100% to 99% after they are fully charged.

Butters619 said:
HTC probably is displaying the actual battery percentage. (So it is at 90%). You could test it if you wanted by seeing how much current the phone is pulling when it hits 100%.
For example, I own a new iPad (yeah boo hiss). It will show 100% on the display, but the charger will still be pulling full charging current for 90 minutes or so. Apple displays 100% when the iPad is anywhere above 90% or so.
Click to expand...
Click to collapse
aah well if thats the case then i think its charging accurately, cause when i unplug it exactly as it hits 100% it takes a while till it drops to 99%.. like i said battery life is good its just that last 10% taking so long to charge that bothers me.. also if i unplug it when its anywhere lower than 90% it drains pretty quickly even without using it much.. like if it lasts 12-16 hours unplugging at 100%, itll last about 6-8 hours unplugging before it finishes charging

Is it ok if i let the phone keep charging all night long while i sleep??

because it takes forever to charge the phone completely

It is fine to leave it charging overnight. I do it all the time.

I always charge mine while I sleep. I work nights so it's the only time I get.to charge it. I have no issues

It should be just fine
I do it all the time too
Nothing has happened so far

I also do the same and no issues but I read somewhere the battery can get damaged or the Mah can go down

Phone goes into trickle charge when nearing/at full. No problems with overnight charging.

dontbelive said:
I also do the same and no issues but I read somewhere the battery can get damaged or the Mah can go down
Click to expand...
Click to collapse
This might have been true in the past with older battery/charging technologies, but isn't true anymore.
The capacity of the battery will go down over time with normal use. Unless you plan on keeping your phone for 10 years, I wouldn't worry about it.

A question about Zerolemon's Extended Battery.

Hello guys! So I just bought an extended battery from Zerolemon for my S5.
My question is, should I charge it for 12 hours before prior use like the manual stated? Or fully discharge it first before charge as some reddit folks suggested?
Thanks!

Like manual say
Wysłane z mojego SM-G903F przy użyciu Tapatalka

After first full charge, run it down to 2% like it also recommends. Help to condition battery, I do it to mine once in a while. Have this one for almost a year now and it is working quite well, can't say there has been any depreciation to run time yet.

Which app is this ??

daroco said:
After first full charge, run it down to 2% like it also recommends. Help to condition battery, I do it to mine once in a while. Have this one for almost a year now and it is working quite well, can't say there has been any depreciation to run time yet.
Click to expand...
Click to collapse
By first full charge do you mean after charging if for 12 hours before use?

KappaDelaJulio said:
By first full charge do you mean after charging if for 12 hours before use?
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Click to collapse
That is correct,
I may be mistaken as I don't have the little instruction sheet., but there is some additional time in hours after the phone says it has reached 100% full charge that it needs to remain connected to finish "topping" of the battery. Although I would argue that it is almost impossible, given that any algorithm the phone uses to charge one brand of lithium battery vs. another hasn't changed when the battery has been swapped out, and charging should stop once the phone see the correct internal voltage. Yet ZeroLemom recommends to leave it to charge.
The final ~10% is quite misleading as far as how long it will stay on before it finally turns off due to low voltage cut out. I had mine running for over a day and a half sometimes before it finally turns off. Very annoying that low battery message, would have liked to know a way to change the notification, or either actually entering a new mAh rating in the ROM's data so a more accurate approximation of useful charge still remaining can be properly calculated/displayed.

daroco said:
That is correct,
I may be mistaken as I don't have the little instruction sheet., but there is some additional time in hours after the phone says it has reached 100% full charge that it needs to remain connected to finish "topping" of the battery. Although I would argue that it is almost impossible, given that any algorithm the phone uses to charge one brand of lithium battery vs. another hasn't changed when the battery has been swapped out, and charging should stop once the phone see the correct internal voltage. Yet ZeroLemom recommends to leave it to charge.
The final ~10% is quite misleading as far as how long it will stay on before it finally turns off due to low voltage cut out. I had mine running for over a day and a half sometimes before it finally turns off. Very annoying that low battery message, would have liked to know a way to change the notification, or either actually entering a new mAh rating in the ROM's data so a more accurate approximation of useful charge still remaining can be properly calculated/displayed.
Click to expand...
Click to collapse
I see, thanks for the tip. Last question, how did you treated the battery after the first charge cycle? Did you still charged it for 12 hrs or only until the phone says it is "charged"?

KappaDelaJulio said:
I see, thanks for the tip. Last question, how did you treated the battery after the first charge cycle? Did you still charged it for 12 hrs or only until the phone says it is "charged"?
Click to expand...
Click to collapse
I personally only left it on for about 8 hours. Typically plugging the phone in to the charger when going to sleep and disconnecting when I wake.

daroco said:
I personally only left it on for about 8 hours. Typically plugging the phone in to the charger when going to sleep and disconnecting when I wake.
Click to expand...
Click to collapse
Hey so I got it last 2 days ago and it on its way to its first discharge now. Should I fully let the battery drain to 0% or just charge it when it hits 1%? What would you do?

It's really up to you, I would at least reach the 2%. Any further past that point may or may not matter. I've let it go before until it turns off on its own, but like I said in a previous post the low battery warnings drove me nuts.

daroco said:
It's really up to you, I would at least reach the 2%. Any further past that point may or may not matter. I've let it go before until it turns off on its own, but like I said in a previous post the low battery warnings drove me nuts.
Click to expand...
Click to collapse
me too

KappaDelaJulio said:
Hello guys! So I just bought an extended battery from Zerolemon for my S5.
My question is, should I charge it for 12 hours before prior use like the manual stated? Or fully discharge it first before charge as some reddit folks suggested?
Thanks!
Click to expand...
Click to collapse
No need to charge for 12 hours before use.

Question
I have the 8500 mah one, but in my phonr settings s5 G900F running sixperience 7.1 and it still shows like 2300 size in settings.. is that a problem or?