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Ok, so I've been experiencing this for the past few weeks now, and I'm getting sick of it. I plug up my phone to charge it overnight, or just to charge it when I know I will be in a place for a while. After a while, the phones battery will say 100%. But when I take the charger out, the battery isn't fully charged. It IMMEDIATELY jumps down to around 40% - 70%. I can get it fully charged after unplugging and replugging the charger in, sometimes numerous times of unplugging and replugging. Also, my battery has died on numerous occasions on between 10% - 15%. I calibrated my battery the first day I got it (as a replacement) and got decent juice from it, a noticeable improvement from the old battery. Am I the only one experiencing these issues? Is there a fix for it???
*NOTE* I'm on my 2nd battery (replacement) and this is also a replacement phone. Also running GummyCharged 1.8 GBE on EP1Q, RFS, w/Minimal Gummy theme, if that matters. Also, its not just my phone, my wifes Charge phone has the same setup and it does it also. So it may just be something wrong Gingerbreak. Never did it on FroYo. Gonna Odin back to FroYo and report back.
Sent from my Droid Charge, GummyCharged 1.8 GBE, Minimal Gummy v1.1 theme.
This is because you cannot leave the phone plugged in to charge for an extended period of time. Once the battery reaches 100%, it stops charging. It will start charging again later, after the percentage goes down to a certain set level. This is why you have the huge initial drop-off after taking it off the charger. If you want to leave the phone plugged in for an extended period of time, turn it off and plug it in to allow it to charge, then it won't discharge as quickly. Otherwise, this is normal behavior for all android phones, and trying to make it so that the phone stays at 100% full charge is bad for both the battery and phone.
I've been having some strange problems. My phone will die with between 4-8 percent battery left. I can turn it back on and once it drops another percent or two it will turn off again. I have calibrated it and my battery life is good but this is a strange issue. Upgrading to rc2 today.
Droid Charge/Gummy 1.9RC 2.3.4
youngpettyboi said:
Ok, so I've been experiencing this for the past few weeks now, and I'm getting sick of it. I plug up my phone to charge it overnight, or just to charge it when I know I will be in a place for a while. After a while, the phones battery will say 100%. But when I take the charger out, the battery isn't fully charged. Its usually on around 40% - 70%. I can get it fully charged after unplugging and replugging the charger in. Also, my battery has died on numerous occasions on between 10% - 15%. I calibrated my battery the first day I got it (as a replacement) and got decent juice from it, a noticeable improvement from the old battery. Am I the only one experiencing these issues? Is there a fix for it???
*NOTE* I'm on my 2nd battery (replacement) and this is also a replacement phone. Also running GummyCharged 1.8 GBE on EP1Q, RFS, w/Minimal Gummy theme, if that matters.
Sent from my Droid Charge, GummyCharged 1.8 GBE, Minimal Gummy v1.1 theme.
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'
I have the exact same problem. It will just go from 50% to 100% in a second and then unplug and plug back in to make it work. i haven't been able to figure it out either. 2nd phone and 2nd battery as well with same issue. I guess it has to do with my habits somehow.
imnuts said:
This is because you cannot leave the phone plugged in to charge for an extended period of time. Once the battery reaches 100%, it stops charging. It will start charging again later, after the percentage goes down to a certain set level. This is why you have the huge initial drop-off after taking it off the charger. If you want to leave the phone plugged in for an extended period of time, turn it off and plug it in to allow it to charge, then it won't discharge as quickly. Otherwise, this is normal behavior for all android phones, and trying to make it so that the phone stays at 100% full charge is bad for both the battery and phone.
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Click to collapse
I believe the use case he is suggesting is a little different than what you are describing. When the phone is plugged in at say 12%, it charges for a while and gets to say 63%. At that point it jumps to 100% immediately. The phone must then be unplugged from the charger and re-plugged in and then it will continue properly to 100%.
Hopefully that is a little clearer.
I mean, usually I turn it off to charge. And I have that No Moar Powah app installed. So I set it to reboot at 100%, it does and when I take the charger out, it immediately drops to between said percentages. almost like clockwork. Very annoying. I understand what u mean Imnuts, but my Vibrant, HD2, or others never experienced this issue. Also, my first Charge, would keep a charge if I left it on the charger once it hit 100%. Maybe an issue with the charger itself? A Verizon rep told me to bring in the charger itself if the issue persists.
Sent from my SCH-I510 using XDA Premium App
Almost exactly my issue. I'm not understandings what the problem is. I'm assuming u have that issue also???
Sent from my SCH-I510 using XDA Premium App
Hmm i have the opposite of that problem every time i unplug my phone from charging overnight the battery meter would always read 100% never below that.
Also does anyone know which battery meter i should follow for battery calibration? The battery meter in the status bar, the battery level in system settings/about phone/status, the battery percentage at the lock screen or the battery meter on the screen when the phones off? They're all giving me different readings for some odd reason.
Sometimes I get that too, but for the most part, its the false readings from the lockscreen, and the about phone settings. I may send off for a new phone, run stock for a few days to calibrate my battery then root on a full charge.
Sent from ur moms room... With my Droid Charge ;-)
imnuts said:
This is because you cannot leave the phone plugged in to charge for an extended period of time. Once the battery reaches 100%, it stops charging. It will start charging again later, after the percentage goes down to a certain set level. This is why you have the huge initial drop-off after taking it off the charger. If you want to leave the phone plugged in for an extended period of time, turn it off and plug it in to allow it to charge, then it won't discharge as quickly. Otherwise, this is normal behavior for all android phones, and trying to make it so that the phone stays at 100% full charge is bad for both the battery and phone.
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I see what you're saying, but on the other hand I charge my phone overnight with no problems. Never did this before, but I don't have time to sit around for 6 hours for it to charge
Sent from my SCH-I510 using XDA App
Well I went back to FroYo GummyCharged v1.9 and lo and behold, the charging issues VANISHED. Charged my phone overnight last night and when I removed the charger, 100%. No drop immediately back down to 56% or some weird number. Maybe its a Gingerbreak leak issue. I've noticed that it only happens to my phone on Gingerbread. Also must mention, my wifes phone does it also. She's on Gingerbread. She complains that I broke her phone lol.
*EDIT* CONFIRMED. 2nd nite in a row, no issues charging.
Sent from my SCH-I510 using XDA Premium App
imnuts said:
This is because you cannot leave the phone plugged in to charge for an extended period of time. Once the battery reaches 100%, it stops charging. It will start charging again later, after the percentage goes down to a certain set level. This is why you have the huge initial drop-off after taking it off the charger. If you want to leave the phone plugged in for an extended period of time, turn it off and plug it in to allow it to charge, then it won't discharge as quickly. Otherwise, this is normal behavior for all android phones, and trying to make it so that the phone stays at 100% full charge is bad for both the battery and phone.
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Imnuts...ill have to disagree with you. This is the only android phone I've had this problem on, and I've had 6 different android phones. also, it only started happening for me when i went to Gingerbread. Going to flash back to Froyo and i will update.
Sent from my SCH-I510 using XDA App
Same here with me. It only started when I went to Gingerbread. Also happened on my wifes phone, also on GB. I went back to FroYo 2 days ago, and boom, no more charging issues. I can leave it on all nite and not get the random percentage drops. I gotta calibrate my battery now.
Sent from my SCH-I510 using XDA Premium App
Flashed back to Froyo and charged overnight, unplugged an hour ago and now I'm sitting at 96%.
Gingerbread be buggin' yo.
scriz said:
Flashed back to Froyo and charged overnight, unplugged an hour ago and now I'm sitting at 96%.
Gingerbread be buggin' yo.
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So it was a Gingerbread bug (GingerBug???) right? My battery life seems way better also. 6+ hrs off the charger and I am sitting on 73%. Not bad for me.
Sent from my SCH-I510 using XDA Premium App
The mis-information in this thread regarding Li-ion batteries is getting out of hand.
I think many of us are thinking about ni-cad batteries in which all the "bad" things we are talking about in this thread apply.
for a Li-Ion Battery, there is no "memory" effect. this means you can charge it at any point during the discharge phase. You also do not need to allow the battery to drain fully and charge to full to "condition" the battery. Li-Ion batteries can be charged at any point up to any point (from 30% to 70%, then 50% to 90%) and it will not effect the batteries performance.
Li-Batteries also do not suffer from overcharging. The charging circuits in cell phones will charge the battery until it is full, and then trickle charge from then on. And because Li-ion batteries do not have memories, this type of charging will not effect performance.
Li-Ion batteries can only be charged a finite number of times. However, the number of times does not translate to the number of times you happen to plug it in. The batteries have a rated number of "charge cycles", this is when the power from the battery has been exhausted and then re-filled. If you always charge your battery at 50% - 100% then every 2 charges you are using 1 full charge cycle. The batteries in the charge are 1600mAh and have approx 500 charge cycles. if you discharged and charged your phone from 0 to 100% every day, your battery would last 500 days before it would start to suffer from poor performance.
the OP in this thread is having software related issues related to the phone mis-representing the correct charge level of the battery, and then stopping the charge cycle prematurely.
Remember, it is perfectly OK, and expected of you to charge your battery as many times as you need to. Keep the thing on the charger any chance you get, it is not going to hurt it, its designed to be used that way. This is why Li-Ion took over as the battery tech of choice compared to Ni-cad.
References:
http://en.wikipedia.org/wiki/Lithium-ion_battery (not a definitive reference, just a starting point for people interested)
http://www.geek.com/smartphone-buyers-guide/battery/ (A Few good sentences in this about the topic
http://www.apple.com/batteries/ipods.html (Another good source, Ipod also uses li-ion batteries - as do almost all consumer electronics)
Experience:
Electrical Engineer/Nuclear Physics Double Major
UC Davis, California
College of Engineering
msticlaru said:
The mis-information in this thread regarding Li-ion batteries is getting out of hand.
I think many of us are thinking about ni-cad batteries in which all the "bad" things we are talking about in this thread apply.
for a Li-Ion Battery, there is no "memory" effect. this means you can charge it at any point during the discharge phase. You also do not need to allow the battery to drain fully and charge to full to "condition" the battery. Li-Ion batteries can be charged at any point up to any point (from 30% to 70%, then 50% to 90%) and it will not effect the batteries performance.
Li-Batteries also do not suffer from overcharging. The charging circuits in cell phones will charge the battery until it is full, and then trickle charge from then on. And because Li-ion batteries do not have memories, this type of charging will not effect performance.
Li-Ion batteries can only be charged a finite number of times. However, the number of times does not translate to the number of times you happen to plug it in. The batteries have a rated number of "charge cycles", this is when the power from the battery has been exhausted and then re-filled. If you always charge your battery at 50% - 100% then every 2 charges you are using 1 full charge cycle. The batteries in the charge are 1600mAh and have approx 500 charge cycles. if you discharged and charged your phone from 0 to 100% every day, your battery would last 500 days before it would start to suffer from poor performance.
the OP in this thread is having software related issues related to the phone mis-representing the correct charge level of the battery, and then stopping the charge cycle prematurely.
Remember, it is perfectly OK, and expected of you to charge your battery as many times as you need to. Keep the thing on the charger any chance you get, it is not going to hurt it, its designed to be used that way. This is why Li-Ion took over as the battery tech of choice compared to Ni-cad.
References:
http://en.wikipedia.org/wiki/Lithium-ion_battery (not a definitive reference, just a starting point for people interested)
http://www.geek.com/smartphone-buyers-guide/battery/ (A Few good sentences in this about the topic
http://www.apple.com/batteries/ipods.html (Another good source, Ipod also uses li-ion batteries - as do almost all consumer electronics)
Experience:
Electrical Engineer/Nuclear Physics Double Major
UC Davis, California
College of Engineering
Click to expand...
Click to collapse
This coming from a person WHO KNOWS WHAT HE IS TALKING ABOUT is very beneficial to us. Knowing that there is no way to actually "condition" a Li-Ion battery means that us who are actually suffer from poor battery life either have defective units or defective batteries. I hear of this miraculous 2 day battery life, yet I struggle to get thru a full 7 or 8 hrs with moderate usage. And this is a replacement unit AND battery. None of my other phones had that issue of immediately droping percentages like that, so I figured it was a software issue, that's why I went back to FroYo to test it out. Seems I was right. Gingerbread has a software issue that keeps the battery on some phones from reaching a full charge. Also my phone would be boiling hot during the charging process. Since reverting back, I've had no issues. Thanks for the insight. Coning from a knowledgeable source, it means a lot. Thanks!!!
Sent from my SCH-I510 using XDA Premium App
Hey forums, very simple question is charging the phone overnight bad for the infuse? I always get a warning to plug out the phone in the morning. Can overcharging be bad for my battery? Merci.
Sent from my SAMSUNG-SGH-I997R
No, charging overnight is fine.
Sarius24 said:
Hey forums, very simple question is charging the phone overnight bad for the infuse? I always get a warning to plug out the phone in the morning. Can overcharging be bad for my battery? Merci.
Sent from my SAMSUNG-SGH-I997R
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Do you mean that you get a warning after leaving it plugged in all night?
If so, check to make sure that your cable is connected properly. On some cables, the connectors are not fully touching.
What I was trying to say is. Usually the battery is able to charge fully overnight. But then it probably just sits there with the charger in until morning when I pull it out. I was wondering if the extra time its charging on full battery is bad.
Sent from my SAMSUNG-SGH-I997R
Nope, its not bad, whenever the phone reaches 100% it disconnects the charger till it drops to 95%,then it starts charging again and so on,at least that's the case with my phone on official and custom roms
Sent from my X8 using xda app
Nope i've had 20 diff phones and never followed charging cycles and all that let your battery run down and charge it up nonsense. Never had any battery issues ever with any of my phones
GGXtreme said:
No, charging overnight is fine.
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+1
I put it on charge when I go to bed, and unplug it when I wake up. Just make sure to keep it in open where the phone isn't covered.
Thanks for the responses! I wont worry about this anymore.
Sent from my SAMSUNG-SGH-I997R
Make sure to always use quality, reputable chargers and not the ones you buy at the flea market that say "Made in the Democratic Republic of the Congo".
Lol no problem. I still have the charger that came with it
Sent from my SAMSUNG-SGH-I997R
Battery
Yes it is bad, because it will overcharge your battery. It takes a while, but if you overcharge your battery constantly then the battery life slowly starts decreasing until it dies.
SSBB freak said:
Yes it is bad, because it will overcharge your battery. It takes a while, but if you overcharge your battery constantly then the battery life slowly starts decreasing until it dies.
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In a sense this is correct as the same as playing on your phone while its charging I wonder if we have a unplug app when I was on the evo we had a app that would disconnected the charger when full and wouldn't read it until the battery was at 80%
Sent from my SGH-I997 using XDA App
SSBB freak said:
Yes it is bad, because it will overcharge your battery. It takes a while, but if you overcharge your battery constantly then the battery life slowly starts decreasing until it dies.
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The phone doesn't actually charge the battery to 100% unless you're using an SBC kernel. You can leave it on the charger as long as you want and it will never overcharge unless you have some kind of malfunction.
Been only charging overnight since I got the phone last May.
Sent from my Samsung Infuse 4G - 1.6ghz
I use my phone as alarm and it charges every night since I've had it. No issues with battery unless I flash a rom that is a battery hog.
Sent from my SGH-I997 using XDA App
I had the infuse on the AC charger the other day, when I took it off, it had a message stating charging stopped because of battery temperature. Now battery will only charge to 35% no matter how long its plugged in. Also when phone is off the charger, phone is getting very warm to the touch and the phone is not being used. Do you think I need a new battery or is the charging circuit messed up? Thanks for any input!!!
Sent from my SAMSUNG-SGH-I997 using XDA App
If your able to plug it in and it shows it's charging then there is noting wrong with the circuitry. Your gonna need to replace the battery.
A new battery is much cheaper than a new phone.
Batteries heat up as the internal resistance increases over time. As Axiomkid suggests, get another battery. Do it soon. Old (or defective batteries) overheating run the risk of shorting, leaking, or exploding.
Better yet get two batteries and maintain them properly ie discharge to 10%, recharge to 100%, then swap out with another battery and let the recharged battery cool down.
Tried a new battery, it charged to 100%... but drained 50% in one hour. When I charged it again same problem is still happening. Thanks for all that helped.
Sent from my SAMSUNG-SGH-I997 using XDA App
You might need a new charger too. are you using the original Samsung charger? Try charging it from a PC too. The 50% drop in the charge could be a calibration issue too. It would improve that reading over the first few charges with the new battery.
yes i am using original charger, i have use a captivate phone charger as well. i think they are both the same. i'm thinking something is wrong with the phone because after charging and taking the phone off, the phone is getting really hot without being on the charger. like the phone is being used but it's not. could maybe the rom cause an issue like this? i'm thinking maybe trying to flash the phone with a stock rom and see how much the battery drains
Problem solved!!! Reflashed ROM and all is good
Sent from my SAMSUNG-SGH-I997 using XDA App
Glad to hear your problem is solved! Was that the root cause with your first battery as well?
Do i let the phone shut off from the battery reaching 0%, then charge it to 100% and be on my merry way?
I've read multiple theories, but I think u should take it down out of the box, then shut off and charge to full...I remember ASUS recommending that to a media outlet when the Transformer 300 came out a few weeks ago...so that is what I am going to do when I get mine.
Thats exactly what I did, I let mine completely die and then charged to 100%.
Be careful with how you charge the phone, rather with how low you let it get.
Depending on how technical you want to get about it purposefully letting a battery drop to absolute zero can cause some odd chemical reactions that while not immediately evident can some times shorten battery life.
I would recommend taking it out of the box and using it until it is low but not dead. Maybe 10 or so percent and then either turn it off and charge it or leave it on and charge it just do not pull the plug on the charger until it is at 100%.
Valdeck said:
Be careful with how you charge the phone, rather with how low you let it get.
Depending on how technical you want to get about it purposefully letting a battery drop to absolute zero can cause some odd chemical reactions that while not immediately evident can some times shorten battery life.
I would recommend taking it out of the box and using it until it is low but not dead. Maybe 10 or so percent and then either turn it off and charge it or leave it on and charge it just do not pull the plug on the charger until it is at 100%.
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Click to collapse
This.
Full battery cycles are not good for long term life of Li ion batteries.
Also, its unlikely, but occasionally happens where discharging the battery to shutoff will render the battery unable to take a charge. The safety circuit on the battery is supposed to prevent this, but its not failsafe. I've seen more than a few reports on previous HTC devices where this happened. And since the battery on the One X is not easily replaced, the result can be disastrous.
The battery meters on phones are not very accurate in the best of circumstances. No need to drain to shutoff, 10 or 20% is fine. No value added to draining to shutoff, and the consequences can be very bad.
Drain to 10% or even 20%, charge to full, repeat 2-3 times. This is done just to calibrate the battery meter on the phone. Its a misconception that you can somehow increase battery life by "conditioning" the battery. But modern Li ion batteries do not suffer from memory effects, and conditioning only works for older tech NiCad batteries.
I do the same thing for all of my phones.
1. Activate and mess the heck out of it until it dies completely.
2. Charge it up to 100%
3. Mess the heck out of it again until it dies completely.
4. Charge it up to 100%
5. Mess the heck out of it again until it dies completely.
6. Charge it up to 100%
Then use it normally
Mine came dead! it didnt even turn on. so I'm charging it now
mehdi_s82 said:
Mine came dead! it didnt even turn on. so I'm charging it now
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That stinks. It must have been on in the box like that other xda member on here claimed
Sent from my MB860 using xda premium
Mine came with 1% battery so I just turned it back off and now I'm charging it up, i think the led will turn green when it's ready
Sent from my SGH-I897 using Tapatalk
How do you tell if the phone is charged to 100% while off?
While on, my battery percentage doesn't seem to go past 99%. Is that correct or is this last 1% just taking a very long time?
Update: NVM last 1% just took forever. LED does turn green when fully charged.
Sent from my GT-P7510 using Tapatalk
The LED will turn green once it's 100%.
Don't worry about letting the phone die and charging it up to 100%.
These batteries don't have a "memory" like older phones
mehdi_s82 said:
Mine came dead! it didnt even turn on. so I'm charging it now
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Click to collapse
Mine came dead too. Charged it to 100% and now been using it and so far have 36% on 3h 9m on battery.
Screen at 84%
Does the battery life get better? Because it seems to be draining rather quick. Even though I have screen brightness less than half.
jshahanii said:
Thats exactly what I did, I let mine completely die and then charged to 100%.
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truciet said:
I do the same thing for all of my phones.
1. Activate and mess the heck out of it until it dies completely.
2. Charge it up to 100%
3. Mess the heck out of it again until it dies completely.
4. Charge it up to 100%
5. Mess the heck out of it again until it dies completely.
6. Charge it up to 100%
Then use it normally
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Click to collapse
Maroon Mushroom said:
Don't worry about letting the phone die and charging it up to 100%.
These batteries don't have a "memory" like older phones
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Click to collapse
@Maroon Mushroom, Correct these lithium batteries dont have memory effect, but over discharging them will shorten its life.
I dont want to sound like an expert, but discharging the battery until it dies is not recommended. It will affect battery life/performance.
A couple of good references here: http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
http://batteryuniversity.com/learn/article/discharge_methods
http://batteryuniversity.com/learn/article/how_to_charge_when_to_charge_table
Ya, we use Lithium Ion (Li-Ion) batteries now which dont have a memory. The older Lithium Polymer (Li-Pol) batteries did have a memory and needed a certain charge method to get the longes life cycle out of it.
Awesome, thanks everyone
I turned it off at 20% and wen't to go buy my MicroSIM (ugh...) cant wait to play with it tomorrow
Why would you buy it? Pretty sure they would give one to you for free
Sent from my SGH-I997 using xda premium
bought it off Kijiji
It's offered by Rogers, but i'm on Telus
Hmm, i hate the idea of letting it die completely. But what i've always done is turned everything on and ran it through a low-powered usb source so it has a charge but the battery is still draining. So even if the battery runs dead it has power via USB plug [make sense?]. Usually having everything on [i do mean everything] and downloading a torrent so the internet is constantly under use. Then again i'm not sure how the One X will work out for this, but thats what i'm planning .
guys its lithium...u cant drain it to 0...even when android shuts down your at around 3.6volts. thats definetly not 0volts. no memory and android wont let you ruin your battery...so charge however whenever.
im qualified in lead acid. ni cad. nimh and lithium batteries. trust me..u cant hurt it unless you short it! !
Sent from my SGH-I897 using xda premium
Hello guys sorry if it is an innapropriate question but I want to know if it is okay to charge my s8+ over night.. does it damages the phone battery or not ? Thanks
I wouldnt. Doubt it would but would but i find it pointless. It charges pretty quick and wouldnt want to leave it charging for 5+hrs The battery is superb i would quick charge a few mins before bed. Ive gone to bed with 19% and had 17% when i woke the next morning.
ssgunner20 said:
I wouldnt. Doubt it would but would but i find it pointless. It charges pretty quick and wouldnt want to leave it charging for 5+hrs The battery is superb i would quick charge a few mins before bed. Ive gone to bed with 19% and had 17% when i woke the next morning.
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Yeah I know but i work in the morning at 7 thats why . I use it at night leave it at about 10%
Been doing that with my phones for years, haven't had a problem yet.
technically with Lith Ion the less you let it die all the way the better it is for the battery.
albaniandroid said:
Yeah I know but i work in the morning at 7 thats why . I use it at night leave it at about 10%
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It's not going to outright destroy the battery, but definitely better not to keep it on the charger. I cannot speak to your schedule and work environment. I charge mine mid day at work. If your usage is generally the same on a daily basis, just find a spot where you can squeeze in a charge or two during the day.
Always changed overnight for ever I can Remeber. Never faced any issues.
Sent from my SM-G955W using Tapatalk
i leave the phone on the wireless charger. it better for the battery or is the same?
let me clear it..
1st of all in modern battry charging technology overnight charging doesnt harm battery at all as lith ion batt never get overcharged..bcoz once its 100%(max threshold) charging stop and phone use batt powr
after that once it get around 100% ( lower threshold) it start charging again...
STILL I PERSONAL ADVICE TO CHARGE OVERNIGHT WITH FASTCHARGING MODE OFF(((OFFF)).
Sent from my SM-G955U using Tapatalk
lipon625 said:
i leave the phone on the wireless charger. it better for the battery or is the same?
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As far as I know, technically wireless chargers are worse for the battery than a wired. They produce more heat, which technically will have a larger impact on the battery. That being said, I doubt there is any appreciable difference.
xenx said:
As far as I know, technically wireless chargers are worse for the battery than a wired. They produce more heat, which technically will have a larger impact on the battery. That being said, I doubt there is any appreciable difference.
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Good point. Does ths fan cooler on the wireless one prevent as much heat?
The battery retains 95% battery life after a year of normal charging, I wouldn't worry about depreciation. Relax and enjoy the phone
No, you can charge your android overnight as they are smart enough
Boooom! Lol.....just kidding I hope
Stick with the samsung fast charger. I have a lot of other ones, and only the samsung stay cool (fan) and doesn't cycle like the cheap ones do.
Yes, as most have said, you can charge overnight. I have done this every single night for years, on all my flagship devices. Smartphone batteries have technology in them to stop charging when they hit 200% and only trickle charge them. It won't do any damage or won't cause long term battery life issues.
Just turn off fast charge if you're going to charge overnight.
ssgunner20 said:
Good point. Does ths fan cooler on the wireless one prevent as much heat?
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Click to collapse
I have the new Samsung wireless fast charger and I'd say it's just a tad warm kinda like the USB-C charging
Sent from my SM-G955U using Tapatalk
xenx said:
As far as I know, technically wireless chargers are worse for the battery than a wired. They produce more heat, which technically will have a larger impact on the battery. That being said, I doubt there is any appreciable difference.
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Click to collapse
I've also heard the opposite, as wireless chargers charge slower they put less pressure on the battery which helps it not degrade as fast. How much difference it would make either way I dont know, possibly hardly any.
I do know keeping it between 40-80 is widely regarded as being a lot better for li-ion battery degradation than going to 100% all the time or running it really low. Accubattery for example will say you used about 0.2 battery cycles going from 35% to 80%, but 0.92 battery cycles going from 55% to maximum. They are probably just using that 40-80 rule to work it out, but assuming it is correct, you can see how much effect it has, being nearly 5x more battery cycles despite both being around a 50% charge up.
So charging it overnight will get it to maximum, which isn't great in terms of battery cycles. I have seen a couple of battery apps that I think can manage charging so that it notifies you at 80% to unplug it, but I don't think they can actually stop the charge at 80% if you leave it plugged in (althought I might be wrong on that). Again how much real difference it will make I don't really know, and it probably depends how long you plan on keeping the phone, 1 year then it shouldn't be too much of an issue, 2 years or more and I would probably at least try to keep it between 40-80% when possible.
Ha,
Been charging all my phones overnight.
Been using wireless charging since the note 3 and always please it on the charger when im next to it and not using my phone.
Never had a battery problem
Thanks everyone for their answers ..*let the overnight charging begin*
I used Ampere to check how much current was going to my phone when it was fully charged and it read 0.0 so I believe the phone cuts off the charging function when fully charged. As even on 100% without the "fully charged" portion on, it will still show trickling voltage.
Hope this helps. I also advise turning fast charging off at night just to be safe.