Related
I bought a Nokia wireless charger from ATT online store.
It works on my nexus 5, but when the phone is full charged the LED light on the charger is still solid on (on means charging, and blinking means done). However I go to Setting->battery, and it shows battery is full.
My question is which one is right?
-Wireless charger is still charging the phone.
-The system shows battery is full, so the phone won't be charged. But since the charger is Nokia, so it doesn't know my Nexus 5 battery is full.
Thanks in advance
I believe there phone will stop charging the battery buy the charger won't know so it'll keep going. The phone has the circuitry to prevent damage to the phone.
Sent from my Nexus 5 using Tapatalk
I purchased (2) tylt wireless chargers from kickstarter a while back and I planned to keep the N5 cradled most of the time.
Unfortunately while the chargers work great they also heat the battery to 110 F while charging as compared to around 80 F with a straight USB charger. I'm afraid this heat will eventually kill the battery. Since the battery isn't easily replaceable I've decided to abandon the wireless chargers.
The batteries and the whole device stays hot after its charged and until I pull it off the charger. I didn't notice whether the charge light actually went out on the charger itself after the charge was completed. If I'm brave or (dumb) enough to try it again I'll report back.
Anyone having better luck with the stock wireless charger or other wireless chargers like the Nokia?
I purchased the same Nokia wireless charging pad, and, despite the LED not turning off on the pad, the battery DOES stop charging once it is full.
This can be observed through a battery monitoring app like Battery Widget Reborn. If you look at the battery graph at any point after the battery hits 100%, and before you remove it from the charging pad, you'll notice an even 2 or 3 percent drop and rise at regular intervals. This is the trickle charge mechanism. Once the battery is full, it stops charging, Once the battery drops down to a certain percentage, the charge resumes, and the cycle repeats itself until you take the phone off of the charging pad.
Same here with another brand on wireless charging pad, I think it's normal
Sent from my Nexus 5 using Tapatalk
mxmarcus said:
Same here with another brand on wireless charging pad, I think it's normal
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Are you not concern with premature battery wear considering now it's not user replaceable? Heat is supposedly not good for battery life.
lukas_s said:
I purchased the same Nokia wireless charging pad, and, despite the LED not turning off on the pad, the battery DOES stop charging once it is full.
This can be observed through a battery monitoring app like Battery Widget Reborn. If you look at the battery graph at any point after the battery hits 100%, and before you remove it from the charging pad, you'll notice an even 2 or 3 percent drop and rise at regular intervals. This is the trickle charge mechanism. Once the battery is full, it stops charging, Once the battery drops down to a certain percentage, the charge resumes, and the cycle repeats itself until you take the phone off of the charging pad.
Click to expand...
Click to collapse
This really explained me what happens. Thanks !!!
Gear S2 classic comes with 0.7A charger. Wondering I can use iPhone charger which has output 5V 1A?
I used my Note5 Samsung faster charger without issue.
Throwing juice at the battery faster than it was intended to will shorten its life. Not a big deal for a device with a removable battery but I wouldn't want to do it with my S2. Especially since it already charges in about an hour.
Oops I tend to use my S6 fast charger
A0425A said:
Throwing juice at the battery faster than it was intended to will shorten its life. Not a big deal for a device with a removable battery but I wouldn't want to do it with my S2. Especially since it already charges in about an hour.
Click to expand...
Click to collapse
DO you really think the output of the charger determines charging current?
jacobgong said:
DO you really think the output of the charger determines charging current?
Click to expand...
Click to collapse
No. Your probably right in this case and it wouldn't. I'm guessing that the charging dock would only draw what it needs. Wireless charging might be a different story. I'd have to read up on it. My comment centered mostly around heat and excess heat created during a faster than normal charge and the long term affects.
A0425A said:
No. Your probably right in this case and it wouldn't. I'm guessing that the charging dock would only draw what it needs. Wireless charging might be a different story. I'd have to read up on it. My comment centered mostly around heat and excess heat created during a faster than normal charge and the long term affects.
Click to expand...
Click to collapse
I think it would make the most sense that wireless charging has at least, all the current regulator circuits wired charging has.
I'm using my old Note 2's charger (2.1A) without any issues. Charging circuit inside watch probably limits it to 0.5A anyway.
Sent from my SM-N910T using XDA Free mobile app
I was also wondering about taking the chargerfrommy Note 4 to charge the watch. It would be more comfortable to not always take everything with you and to decimize it to a minimum.
In general you can provide a 5 amps charger for a device that will take 1 amp without a problem because as already explained, the device will draw that amount of current, that it can take. Also with inductive charging there shouldn't be any difference.
You can test how your watch will react to another charger and if you find it getting very hot compared to the genuine charger and find any other incompatibilities, you should stop the charging process but otherwise i can't see any problems.
Hey guys,
I was looking for some clarification on this topic.
So I heard on a youtube video (can't remember which, for the life of me, I just know it was an S8 video) that Wireless Charging has a better impact on battery in the long run.
They had stated that the battery would continue to hold a better charge over time, where as, if you used wired charging, the amount of charge the battery can hold over time would be much less to when you first got it.
Now I do know that battery gets worse over time, however, I have never heard anything about how wireless charging can increase the longitivtiy of the battery.
Maybe someone on here might have more information on this?
I will try to find that youtube video but if this is the case, then I will definitely need to get a wireless charger.
Regards
Unless this youtuber tested 2 phones for a year, charging one with a cable and another with wireless charging i wouldn't listen to what they're saying.
peachpuff said:
Unless this youtuber tested 2 phones for a year, charging one with a cable and another with wireless charging i wouldn't listen to what they're saying.
Click to expand...
Click to collapse
Yeah I agree. A believe a charge cycle is the same regardless of how it is being charged.
Would never think wired charging puts more stress on battery life.
I think though that with wireless charging once the phone is fully charged the pad cuts out so it won't over charge
With a wired connection when the phone is charged its still consistently trying to charge which can end up damage battering the long term
craigels said:
I think though that with wireless charging once the phone is fully charged the pad cuts out so it won't over charge
With a wired connection when the phone is charged its still consistently trying to charge which can end up damage battering the long term
Click to expand...
Click to collapse
This is also what I have been wondering. If this is true then I may get a nice wireless pad for charging overnight (maybe the new official samsung "convertible" one but its damn expensive). I would have thought that the phone itself knows when a battery is charged and stops drawing the current from the cable though, so it would make no difference either way if that is true (but perhaps its not?).
But I did hear the exact opposite to op, that wireless charging was worse for the batteries, possibly due to the heat generated. But I don't know how true that is.
True
It's better for the battery because it charges it more slowly than a direct wired connection. There is no more heat buildup than using a wired charger, in fact likely less since the charging rate is lower.
As for the other comment that a wired charger doesn't shut off but keeps charging once the battery is full is patently false. The charging circuits whether wired or wireless are quite intelligent and gradually ramp down the charging current as the battery approaches capacity, ultimately delivering just enough current to keep the phone running. In a closed system the energy has to go somewhere and if the charger didn't do this you'd have 18W of power being dissipated as heat and a serious problem on your hands.
craigdamey said:
It's better for the battery because it charges it more slowly than a direct wired connection. There is no more heat buildup than using a wired charger, in fact likely less since the charging rate is lower.
As for the other comment that a wired charger doesn't shut off but keeps charging once the battery is full is patently false. The charging circuits whether wired or wireless are quite intelligent and gradually ramp down the charging current as the battery approaches capacity, ultimately delivering just enough current to keep the phone running. In a closed system the energy has to go somewhere and if the charger didn't do this you'd have 18W of power being dissipated as heat and a serious problem on your hands.
Click to expand...
Click to collapse
For wireless I believe the heat generated is more, it is about the method of delivering the power, not the speed. The induction used to transfer power wirelessly is obviously going to be far less efficient and will generate more heat to get even a slower transfer rate then getting the power straight down a cable (but if someone knows otherwise then feel free to correct me). But then I guess the slower charging rate might also put less stress on the battery which is probably good.
For the wired, what you are basically saying is that leaving a phone plugged in to a wired charger will not harm it since the current will have been reduced in the same way a car battery charger might reduce it to a "maintenance" mode once it is fully charged. So people are believing the old myths that you can overcharge a phone, which would seem to be impossible (although I do wonder why they keep slapping up notifications saying things like "FULLY CHARGED! UNPLUG CABLE!" as if leaving it plugged in would in some way damage it!).
Just saw this which explains the overcharging possibility (or lack of)
http://www.androidauthority.com/leave-phone-plugged-overnight-703078/
ewokuk said:
For wireless I believe the heat generated is more, it is about the method of delivering the power, not the speed. [/url]
Click to expand...
Click to collapse
The coils themselves don't generate a significant amount of heat, it's the battery itself that causes the phone to get hot. Slower charging means less heat, which is better for your battery so wireless charging will increase your battery life. As the article notes it is also best to keep your phone above 40% charge, partly because fast chargers slow down significantly after 50% to save the battery. That initial burst from 0-50% is done to save you from a dying battery but it takes its toll.
Also note that the S8/S8+ have new battery technology that provides much improved battery life. They're saying 5% loss of capacity after two years compared to 20% for previous generations.
As a bonus not continuously plugging/unplugging a cable from your USB port will make that last longer too. I hardly ever plug my S7 Edge into a physical cable, and I know quite a few people who have killed their USB ports and can no longer charge and or transfer data from them.
craigdamey said:
The coils themselves don't generate a significant amount of heat, it's the battery itself that causes the phone to get hot. Slower charging means less heat, which is better for your battery so wireless charging will increase your battery life. As the article notes it is also best to keep your phone above 40% charge, partly because fast chargers slow down significantly after 50% to save the battery. That initial burst from 0-50% is done to save you from a dying battery but it takes its toll.
Also note that the S8/S8+ have new battery technology that provides much improved battery life. They're saying 5% loss of capacity after two years compared to 20% for previous generations.
As a bonus not continuously plugging/unplugging a cable from your USB port will make that last longer too. I hardly ever plug my S7 Edge into a physical cable, and I know quite a few people who have killed their USB ports and can no longer charge and or transfer data from them.
Click to expand...
Click to collapse
Yeah I am torn at the moment between using cable and getting a wireless charger. I like my stuff charged asap but that's partly because i never leave it plugged in overnight and want it charged before bed (which I now know is not a problem anyway) and partly because i want to be able to unplug it to use it if i get a message or email, which isn't an issue with wireless as I can just pick it up and put it back on there after. I assume taking it off the charging pad and putting it back on will not have any detrimental effects to the battery. I am just trying to weigh up the pros and cons of each. All things considered I am leaning towards wireless, particularly if it isn't worse for the battery (although lets face it the difference in degradation between wireless and wired, is going to be so small it's probably not even noticeable after a couple of years by which time I would have a new phone anyway). I wonder if there is a better wireless charger which will be more future proof than the new convertible samsung one (in case I ditch samsung in future) and still give max speed, I would like one that is tilted so I can see the screen though.
My s5 is 3 years old and has only ever been charged by the massive double width "micro USB" cable which takes some force to get in and out of the socket. Still works perfectly though. Never had any usb port of any kind on any device fail, no idea what these other people are doing to kill them!
ewokuk said:
Yeah I am torn at the moment between using cable and getting a wireless charger.
Click to expand...
Click to collapse
Having the dock by my bed is very convenient. Just place it on at night and pick it up during the morning. If I need to grab it for anything I can without getting tangled up in wires and it even sits at the right angle so that the always on display becomes my nightstand clock/alarm clock. Once you've gone wireless you won't go back.
craigdamey said:
Having the dock by my bed is very convenient. Just place it on at night and pick it up during the morning. If I need to grab it for anything I can without getting tangled up in wires and it even sits at the right angle so that the always on display becomes my nightstand clock/alarm clock. Once you've gone wireless you won't go back.
Click to expand...
Click to collapse
I always turn my phone off at night anyway so I don't get disturbed by some spam message or something (I know I can probably set it up to be silent at certain times, but then why leave it on at all, using the battery for nothing). £70 for that Samsung charger though!! I know there are much cheaper ones but I am not sure they will charge at the same rate, the new samsung one charges faster than any previous wireless charger AFAIK and I would want one where the phone can sit up, and most are just flat. Hmmmm although the do have it for £50 on amazon sold by "fonejoy", still steep though.
This one looks good https://www.amazon.co.uk/CHOETECH-W...=UTF8&qid=1492192247&sr=1-9&keywords=choetech but not sure if itll charge at the same speed as the new samsung one and doesnt use a USB-C connector which probably rules it out. May as well just get the samsung one.
I use the US version of this and it works fine. https://www.amazon.co.uk/d/Mobile-P...d=1492192742&sr=1-5&keywords=rav+power+qc+2.0. The Fast Charging Dock comes with a cable so that should be all you need.
And yes, I have my Do Not Disturb settings to suppress notifications 10:30PM to 6:30AM. Wife complained she couldn't sleep with all that noise going on
craigdamey said:
I use the US version of this and it works fine. https://www.amazon.co.uk/d/Mobile-P...d=1492192742&sr=1-5&keywords=rav+power+qc+2.0. The Fast Charging Dock comes with a cable so that should be all you need.
And yes, I have my Do Not Disturb settings to suppress notifications 10:30PM to 6:30AM. Wife complained she couldn't sleep with all that noise going on
Click to expand...
Click to collapse
Thats a wall charger? I'm talking about the charging pad itself. I believe the new Samsung one outputs 15w so is faster than any previous ones which are all 10w I think.
ewokuk said:
Thats a wall charger? I'm talking about the charging pad itself. I believe the new Samsung one outputs 15w so is faster than any previous ones which are all 10w I think.
Click to expand...
Click to collapse
There are only two types of charging dock, standard and fast-charge. None of them output 15W to the phone. The expensive Samsung is just a fancy fast-charge dock so it will charge at the same rate as the Seneo and others that support fast-charge. The Samsung fast-charge adapter only provides a maximum output power of 15W (9V @ 1.67A) so it would require 100% transfer efficiency to charge the phone at that power, and in reality it's only about 65% so at most you'll see 10W versus standard Qi charging at around 7W.
All of the Seneo chargers I have coupled with RavPower or Samsung Fast-Charge adapters charge at the same rate (10W to begin with tapering off to 7W above 50% charge).
craigdamey said:
There are only two types of charging dock, standard and fast-charge. None of them output 15W to the phone. The expensive Samsung is just a fancy fast-charge dock so it will charge at the same rate as the Seneo and others that support fast-charge. The Samsung fast-charge adapter only provides a maximum output power of 15W (9V @ 1.67A) so it would require 100% transfer efficiency to charge the phone at that power, and in reality it's only about 65% so at most you'll see 10W versus standard Qi charging at around 7W.
All of the Seneo chargers I have coupled with RavPower or Samsung Fast-Charge adapters charge at the same rate (10W to begin with tapering off to 7W above 50% charge).
Click to expand...
Click to collapse
Ahh ok, I will have to check out a few seneo pads.
If your using fast charging AKA Adaptive charging it shouldn't matter either way. The Fast charging port on the phone, and the wireless charging should go through the phone and the phone should automatically stop all charging going to the battery. This is the reason why if you were to leave your fast charger on all night whether it be Wireless or wired, you can pick your phone up at 99% or 98% instead of 100%. The phone stopped charging, then when it drops to a certain % it starts to charge up again.
As far as which is actually best for strain, it shouldnt matter because afaik to the battery its the all the same. Wireless charging just has some coils almost that send the charge wirelessly, but it still goes to the same place.
This is what I have read from google, so I am no expert on the subject, but it seemed pretty legit, and makes sense to me, a person with a Tech background. If anyone knows better please be my guest.
I'm going with wireless charging pads at home but a magnetic cable for in the car.
Not found a good car holder that has the wireless pad built in so I will stick with my ibolt for a bit longer
Sent from my SM-G935F using Tapatalk
There is no correct answer to this question. Battery life is function of many things -
1. Every battery has specified charge cycle. One full charge from min to max is 1 cycle. Two full charge from mid to max is also 1 cycle. So the more you use your device, charge cycles will come to an end more quickly. For example if you use two similar spec phones; first one you use heavily requiring full cycle charge everyday vs second which you use less and requires full charge every alternate day (or to phrase in other way, first is almost completely discharged by evening, second is half discharged). So the theory goes that second phone battery will last double the time than first.
2. Every battery articles you read, you will find recommendation to charge battery in specified current or usually slow charging. Today's battery technology should be immune to this but I still turn fast charging off. It is likely that not all the batteries are immune.
3. Heat is bad for battery. Some wireless chargers heat up. The TYLT VU that I use get uncomfortably warm when I place phone vertically (possibly coils do not align and multiple of them gets activated). Heat build up is there during fast charging too. If you play CPU intensive games and charge at the same time, phone gets warm. All this heat is working negative to the life span of battery.
4. Lithium ion batteries have less chemical stress when they are not fully charged or fully discharged. If you research you will find articles telling one to keep battery between 40% to 90%. Hence I usually do not charge to 100% and if I do, I watch or play games to bring battery level down. Search for best charge level to store lithium ion batteries, I think it is from 45% to 50%. This I guess keeps batteries at the least chemical stress state. So do your maths if you are type who likes to keep battery at 100% charge at all the times.
As you can see there is no straight answer to this question. Battery life is function of all these factors.
Added: I didn't read full article but you can check this link which speaks about impact of heat and leaving battery to full charge state.
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
Thanks for everyones input on this!
By the way, not sure if it has been mentioned, but this is a pretty cool read:
http://www.androidpolice.com/2017/0...ill-degrade-less-quickly-than-the-galaxy-s7s/
So looks like the S8 won't deteriorate as much over time!
I got the OEM samsung convertible fast charging pad but it doesn't come with a wall plug as I read somewhere (I guess thats just us in the UK getting screwed over yet again). The manual says "Use only Samsung-approved chargers that support fast charging (9v/1.67A, 9v/2A, 12v/2.1A).". So I need a wall plug that will be able to provide the fastest charging speeds from it (which I am guessing is one that does 12v/2.1A??). I dont think all the standard plugs with 2.4a sockets are going to do it right? The "30w" RAVpower one that craigdamey linked says it can do 12v/2A but only for QC3.0 (which I obviously wont get since its just being plugged straight into the charging pad), otherwise its 5v/2.4a. Not sure what one to get now. Theres an Anker 24w one but that says 2.4a per port (I know little about electrics and how these things work!).
I just received and started using the RAM mount tough charge with X grip wireless charger that I use for a Samsung Galaxy Note 20 Ultra. https://www.rammount.com/part/RAM-HOL-UN12WB
I use it to attach and use my phone on my wheelchair. The charger is connected to a regular USB port which draws power from the power wheelchair batteries. As I use my phone, the wireless charging constantly and randomly stops working and the phone keeps on popping up that the wireless charging is paused with the light of the charger going red but then several seconds later it will start working again and the light turns green. I don't know if it's related but I have noticed the phone does get hot while charging on this particular charger as I use the phone. I just recently received a notification saying it was paused because the phone got too hot. I also turned off the fast wireless charging setting on my phone. I haven't had the same issue or have the first day it got too hot with other wireless chargers using the same USB connection of the wheelchair and plugged into a regular wall outlet. Do you have any suggestion to fix this issue? Is there a possibility I have a defective unit? If you can't think of a fix, is there a way anybody has figured out how to disable the wireless charging paused and the wireless charging pop-up notifications? It is quite annoying because when it starts charging the notification takes up much of the screen in the center. Thanks in advance.
That is only 10W charger so it can't do quick charge.
But maybe there is defekt in the wireless charger. Also rare names usually is typical China product that isn't well known and usually are poorly made so problems like these may occur
Jake.S said:
That is only 10W charger so it can't do quick charge.
But maybe there is defekt in the wireless charger. Also rare names usually is typical China product that isn't well known and usually are poorly made so problems like these may occur
Click to expand...
Click to collapse
It is actually a quite reputable company that makes lots of phone and tablet mounts. I will contact the company because it sounds like it could be a defective product. I was just seeing if anybody have ideas. It could be an overheating issue. As it charges, the temperature moves anywhere between 96 degrees Fahrenheit + 106 degrees Fahrenheit. Is that a normal temperature range?
Is there a way to get rid of the wireless notification when it is charging and paused? Especially when it starts charging the pop-up is annoying
kyoung1033 said:
It is actually a quite reputable company that makes lots of phone and tablet mounts. I will contact the company because it sounds like it could be a defective product. I was just seeing if anybody have ideas. It could be an overheating issue. As it charges, the temperature moves anywhere between 96 degrees Fahrenheit + 106 degrees Fahrenheit. Is that a normal temperature range?
Click to expand...
Click to collapse
I just looked up the information for the USB charging port adapter for the wheelchair. It says it can power up to 1.5A at 5V. Would there be an issue if the wireless charger is 10W?
kyoung1033 said:
I just looked up the information for the USB charging port adapter for the wheelchair. It says it can power up to 1.5A at 5V. Would there be an issue if the wireless charger is 10W?
Click to expand...
Click to collapse
There might be an issue. If the USB port can only supply 7.5W then it will be impossible for the wireless charger to send 10W to the phone. Subtract losses for wireless charging inefficiency and you'd be lucky to see even 5W arrive at the phone. Depending on how good the link is from charger to phone in terms of gap and alignment you might get even less.
It's not just you. Mine has been doing that the last couple weeks too. On an older samsung wireless charger.
Seems like it started after one of the software updates, but can't be positive.
I just installed the android 11 update and am going to see if that fixes it. My wireless charger is at work so can't try it out until tomorrow.
I will say the phone is very noticeably faster after the android 11 update.
hello guys, i recived a wireless 9w charger with my Samsung s22 ultra, and when I'm charging the phone with it, the phone heated up to around 45 celsius ...
I'm not touching the phone during the charging, also the phone heated when I'm using the 45W charger...
what I'm missing?
please guys need help
My s21u also heated up when charging wirelessly on a 8w wireless charger....I got a 15w one from a friend to test and the heating wasn't as bad....There are some days that my s22u also heats up when charging, but mostly it's cool....probably stuff/apps doing things in the back ground. I disabled the "screensaver" when charging and that helped a bit
Wireless charging by it's nature, causes a lot of heat. Charging in general does. Ambient temp will have a small effect on it's heat too.
maor23 said:
hello guys, i recived a wireless 9w charger with my Samsung s22 ultra, and when I'm charging the phone with it, the phone heated up to around 45 celsius ...
I'm not touching the phone during the charging, also the phone heated when I'm using the 45W charger...
what I'm missing?
Click to expand...
Click to collapse
I never use wireless charging due to the higher temps it seems to produce as a side effect. I've also heard (but not verified) that poor alignment of the phone on the wireless charger makes it charge less optimally and hence produce additional heat.
I bought a wireless charging stand with a built-in fan on Amazon a few years ago. I have it connected to the 9w charger that came with my Note9. The device does not get much warmer than normal, but of course, it does not charge as fast as it would with a USB cable.
Does it get as hot, or hot at all, when charging while the phone is off completely?
That's way too hot. For comparison, my 2022 15 Watt Wireless Duo gets up to around 103f.