Slow battery charging?? - Verizon Samsung Galaxy S8 Questions & Answers

Hey everyone so the s8 has the same size battery as the s7?
So why does it take longer to charge?
S7 I could charge the whole phone in about an hour I believe it was.
On the s8 I was at 48 percent fast charging on the type c fast charger the phone came with and it says an hour to charge? I thought this phone was supposed to charge faster?
Currently at 59 percent it says 50 percent to fully charge.
Is this normal?
Sent from my SM-G950U using XDA-Developers Legacy app

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Charging time and use

Hi,
How long does it usually take u guys to recharge ur note from dead or almost?
It took mine. Over 8 hours to charge from 12%.
Also if keep my note on charge but im usimg it for browsing or whatever, my note still dischares.
Is this normal for the note as my htc Desire didnt diacharge while using it while connected to the charger.
Thanks
Neil
Sent from my GT-N7000 using XDA
Hmmm I've never really timed it but its gotta be around 4hrs for a full charge.
I have been playing Stardom even when charging and it gains battery.
That doesn't sound normal at all.
If u r charging from USB port den its possible. Charging from ac will be a different story
Sent from my GT-N7000 using XDA
Charging by USB is at around 12% per hour, so it does take 8 hours.
Charging by a/c is upwards of 35%/hr.
Some of the apps usage would demand battery usage at 20-25% per hour, so if your battery usage is more than your charging rate then you would be losing battery which is what might have happened when you are using USB charging etc.
If your stats are for a/c charging, then I suspect the charger.
Yeah i charged for 8 hours with ac and also got discharge while using the note and charging.
Sent from my GT-N7000 using XDA
neilmc81 said:
Yeah i charged for 8 hours with ac and also got discharge while using the note and charging.
Sent from my GT-N7000 using XDA
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Are you using the stock charger? What is the battery time you are getting?
neilmc81 said:
Yeah i charged for 8 hours with ac and also got discharge while using the note and charging.
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Click to collapse
Depends on what you are using for, but it still doesn't sound right.
Mine charges from 5% to full in about 3 hours when it's just sitting
on the table and I'm just using it for a phone call every now and then.
charging shouldn't take more than 4 hours when done from an AC outlet. just check if you have original batteries and charger. if not, take it to the shop and get it replaced immediately. 8 hours is just too much.
anilisanil said:
Are you using the stock charger? What is the battery time you are getting?
Click to expand...
Click to collapse
Im using the stock charger.
Rocket rom / Abyss 4.2 kernel
And battery life was around 20% after around 14 hours then i put it on charge and used it for about an hour but it discharged to 12%.
I am using the device heavily at the moment as ive had it only a few day.
Sent from my GT-N7000 using XDA
neilmc81 said:
I am using the device heavily at the moment as ive had it only a few day.
Click to expand...
Click to collapse
When you are using it heavily while charging it might be normal,
try leaving it alone while charging for one cycle, that'll give you
an indication.
If it's still substantially higher than 3 to 4 hours under these circumstances
you've got a problem, either battery or charger have an issue, or there's an
app sucking battery like hell.
as said, 3-4 hours is normal. Do you have a battery drain issue when in normal use? if yes, then u can use betterbatterystats to check which process is using the juice.
Also, its advisable (in the first cycle after flashing a rom) to charge the phone with switched off. After full charge, take out the battery, wait for 1 min , reinsert & restart. This will help to reset the battery & start afresh.
From 8% to 100% with the charger it took me less than 3 hours.
I only charge by USB on my PC and its never taken close to 8 hrs for a full charge..
The only time charging has taken a very long time for me is when I ran a ICS ROM.
So i did a charge with my usb cable and it tool half the time. Maybw theres a problemwith my ac charger.
Sent from my GT-N7000 using XDA
use a different charger, i put it down to a **** charger from samsung as mine did the same, woudl discharge even tho was supposedly plugged in and charged

8 hour charging from 0 to 100 on note?

10 hour charging from 0 to 100 on note?
is that normal for my gt ?
sehooo said:
10 hour charging from 0 to 100 on note?
is that normal for my gt ?
Click to expand...
Click to collapse
Absolutely not.
No it's not normal, mine takes only 2.5 or 3 hours, using the Samsung charger
Are you plugged into the wall socket or USB port ?
Cuz charging via USB or using extended cable increases the time considerably
If you charged over PC USB, it`s ok.
Otherwise test another akku or send it back.
if i use samsung charger and all notifcations is off it take 6 hours
i found the official samsung charger slowed down less than a month of having it so reverted to my htc charger and no issues at all
It depends on the charger u r using...
Sent from my GT-N7000 using XDA
Normal charging for me takes about 2 hours from 10% - 100% using official samsung charger on a wall outlet. Definitely should not take even 4 hours for a complete charge. ^^
Usually charges in 3-4 hours using stock charger. You can kind of estimate the time since the stock charger can output 1000 mah, and battery capacity is 2500 mah.
I did find it strange that it took very long to charge yesterday after I upgraded to stock ICS. I think the phone is kind of like throttling the charge rate. Probably good for the battery, but can't say for sure what's happening yet.

[Q] Moto G Charging Time

Hey guys, How much time does it take u to charge your 2nd gen moto G from 0 to 100 running stock and locked botloader. I'm having an issue with my device, it takes 3 hours to charge with wifi and mobile data off. Is it the same with everyone ?
sahilnutty said:
Hey guys, How much time does it take u to charge your 2nd gen moto G from 0 to 100 running stock and locked botloader. I'm having an issue with my device, it takes 3 hours to charge with wifi and mobile data off. Is it the same with everyone ?
Click to expand...
Click to collapse
Here's something another user said in another topic:
ghostzz said:
->battery charges up in 2 nd half hours..if u use it continuously while charging..then it would take 3hrs or more..
->i didn't face heating issues of charger
->cable wasn't there even in previous moto g..
->no smell
->u cannot expect more from a 2070mah battery as the screen is now 5inch..if u go out in the morning with full charge..u can easily end it up till night with normal usage..[/QUOTE
Guess you can trust on that, mine was ordered today, hoping to receive it till Saturday
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Bro this one is a serious issue I really expect someone to tell me how much time do they get
Sent from my Nexus 5 using XDA Premium 4 mobile app
Change your charger
Actually its not the Phone's issue but the Chargers'
I am using my Lumia's charger and phone gets charged in a hour from 0-100%
I will have an answer for this in a few days.
Theoritically it should take 225mins to charger from 0-100% with stock charger..
Anyone knows maximum charging rate?
Just did a full charge (0-100%) without the OS running. Took 2 hours. I'm using Anker Power IQ 40W 5-port desktop charger and Moto's USB cable.
Remember, quality of the cable (as well as the charger) directly affects charge time. So try to use official or high quality cable and charger
Search Google for "Cables Can Significantly Impact the Charging Speed of Your USB Devices" and click on the LifeHacker article
Took 2hrs from 0-100 from my Nokia Lumia's charger.....
Sent from my XT1068 using XDA Free mobile app
Mine also takes almost 3 hours. That is because they have given a 500mAmp charger . I am using my iPad charger block rated at 2.1A and it charged from 25% to 100% in 70 minutes
Yep,
Use a 2 Amp charger and you will get full charge in 1.5 hours.

Fast Charge Speed

So, I exchanged my explodey note 7 for a non-explodey one.
I'm now having an issue with fast charging. With the old note 7 I would leave a game running while connected to the fast charger (samsung) and would gain percent fairly quickly.
Since the exchange, the phone holds steady and gains a percent every 30 minutes or so. If I disable quick charging I begin to gain percent at a reasonable rate. Not as fast as the old note 7 with quick charging, but notably faster than with quick charge enabled.
Is anyone else experiencing this issue?
I having Problems with my phone charging. it can take up to 7 hr to fully charge when dead. @ 60 % it takes 55 min to charge just 40 %. Not sure what's going on with my new replacement phone.
They change the rates. Slow it down a bit. They dont want another battery recall. So there taking steps.
I find it that if i charge while on it take long, but off it work as my old note 7
I have the same problem .. when I'm using Viber app and charging doesn't charge I was a 48% after a 20 minutes I was at 47% so I'm really worry about it I hope is not a big problem
Sent from my SM-N930T using XDA-Developers mobile app
Yup, for me while the screen is on it charges like regular . Only after the screen is off does it fast charge and even then it's inconsistent. Had to get the coral blue instead of my black because they were out of exchanges and now this charging ish. Makes me feel like I should have kept my old one

[ROG 2 - 8GB/128GB] Battery Charge time with in box charger

Conditions:
-Room with a temperature of 21 C.
-Phone Off.
-Charged the phone from 0% to 100%.
Charge time in 1 hour 5 Min is 60%.
Charge time in 1 hour 39 Min is 86%.
Charge time in 1 hour 50 Min is 93%.
Charge time in 2 hours is 96%.
Charge time in 2 hours 18 Min is 100% Fully charged.
We need the 30w charger
rowihel2012 said:
We need the 30w charger
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Click to collapse
I don't have it, and with such stats I don't think I need one.
It's not worth paying 43 USD (currently the price) to get one.
Rashad83 said:
Conditions:
-Room with a temperature of 21 C.
-Phone Off.
-Charged the phone from 0% to 100%.
Charge time in 1 hour 5 Min is 60%.
Charge time in 1 hour 39 Min is 86%.
Charge time in 1 hour 50 Min is 93%.
Charge time in 2 hours is 96%.
Charge time in 2 hours 18 Min is 100% Fully charged.
Click to expand...
Click to collapse
same ur result. 2h 15 mins.
30w as review was 1 hours 48 mins. Not worst to buy
Can you post all the wallpapers?
MishaalRahman said:
Can you post all the wallpapers?
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Click to collapse
Sure but "setaswall"website already got them.
https://www.setaswall.com/asus-rog-phone-2-stock-wallpapers/
rowihel2012 said:
We need the 30w charger
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Click to collapse
does tencent edition support 30w charger?
asri009 said:
does tencent edition support 30w charger?
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Click to collapse
Of course!
i prefer the 18 w fast charged since it wont degrade the battery as fast as 30 w fast charger. of course a 6000 mah is more difficult to degrade, but the life span will be better with 18w charger
the tencent edition 8/128 is a best buy.. not worth the global 12/512gb . only it has little more bands, all glass body, some new accessory and fast charged. reccomended only for people that use more than 128gb.
128gb is more than enough for me and an almost 1000$ 512gb global model is not giustified!
Alessandro999 said:
i prefer the 18 w fast charged since it wont degrade the battery as fast as 30 w fast charger. of course a 6000 mah is more difficult to degrade, but the life span will be better with 18w charger
the tencent edition 8/128 is a best buy.. not worth the global 12/512gb . only it has little more bands, all glass body, some new accessory and fast charged. reccomended only for people that use more than 128gb.
128gb is more than enough for me and an almost 1000$ 512gb global model is not giustified!
Click to expand...
Click to collapse
Proper fast charging shouldn't degrade a battery any faster than normal charging, as long as it doesn't cause the battery to heat up more than normal or charge to a higher finished voltage than normal. What degrades a battery is charging it to 100% all the time, because that last 5 to 10 percent of the charge is up in the 4.15 to 4.2+ volts per cell, which causes the damage that we see as degradation. If you limited the charge to 80%, or even 90% you'd get a MUCH slower degradation of the battery.
bluegizmo83 said:
Proper fast charging shouldn't degrade a battery any faster than normal charging, as long as it doesn't cause the battery to heat up more than normal or charge to a higher finished voltage than normal. What degrades a battery is charging it to 100% all the time, because that last 5 to 10 percent of the charge is up in the 4.15 to 4.2+ volts per cell, which causes the damage that we see as degradation. If you limited the charge to 80%, or even 90% you'd get a MUCH slower degradation of the battery.
Click to expand...
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∆This∆
And what's nice about the phone is that it gives you a way to mitigate this right from settings. Go to Settings, Battery, PowerMaster, Battery Care. Here you can set times for dynamic charging between hours X and Y to get to 100% instead of as fast as you can. Mine is set 10 pm to 7 am for now.
Any 30W third party compatible?
Using the original supplied battery and cable takes around 4 hours or more, any suggestion???
Why it's taking over 4 hours?? Any way to fix?
kanej2006 said:
Using the original supplied battery and cable takes around 4 hours or more, any suggestion???
Why it's taking over 4 hours?? Any way to fix?
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Click to collapse
It takes 4 hours with the phone off or on. If it's on make sure that scheduled charging isn't activated during the period you try to charge the phone.
If non of what I suggested is useful, it's better you take your device to ASUS service center.
Rashad83 said:
It takes 4 hours with the phone off or on. If it's on make sure that scheduled charging isn't activated during the period you try to charge the phone.
If non of what I suggested is useful, it's better you take your device to ASUS service center.
Click to expand...
Click to collapse
From 50% to 100% takes 4 hours with the phone on.
Scheduled charging was already deactivated.
Could you suggest a better alternative cable & charger that may speed up the charge? Thanks.
kanej2006 said:
From 50% to 100% takes 4 hours with the phone on.
Scheduled charging was already deactivated.
Could you suggest a better alternative cable & charger that may speed up the charge? Thanks.
Click to expand...
Click to collapse
There is a problem with your device battery mate either this or your charger is the issue. From 50% to 100% it shouldn't take more than 1 hour and that's with the default charger that comes with the device itself 18W. Try to charge the device with another charger and compare. Otherwise I advice you to taking it to the service center.
Rashad83 said:
There is a problem with your device battery mate either this or your charger is the issue. From 50% to 100% it shouldn't take more than 1 hour and that's with the default charger that comes with the device itself 18W. Try to charge the device with another charger and compare. Otherwise I advice you to taking it to the service center.
Click to expand...
Click to collapse
Thank you for your advice, I will try charging using my Sony Xperia 1 charger & see if it makes any difference.
Otherwise the battery holds charge very well. I will update you shortly as I've only had the device for 3 days...
I will also order this and see if it helps:
JuicEBitz® 25W 3 Port USB FAST QC3.0 Mains Charger Adapter +
It should provide me with the fastest supported charge. I'll order it next week & once tested I will report back.
---------- Post added at 09:21 PM ---------- Previous post was at 08:53 PM ----------
I already have an update and know what the problem is.
Around 30 minutes back, I had 60% battery. Just now I unplugged it and it was 96%
I used original Sony Xperia 1 18w charger and cable. This means that there is an issue with the supplied Asus charger, it is charging very slowly. The 18W Sony charger is charging much faster than the 30W Asus...
Anyway to charge only to 80% in software? With a 6000 mAh battery, I don't really need to charge to full if I can increase longevity of the battery life.

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