the_painted_bird
Member
Pics/explain
-
Hey, guest user. Hope you're enjoying NeoGAF! Have you considered registering for an account? Come join us and add your take to the daily discourse.
Apple iPhone 5S | OT |
- Thread starter artist
- Start date
"As far as I understand the iPhone will charge to 100% then repeatedly undergo small charge/ discharge cycles. That is, once fully charged, the phone will be allowed to discharge (just normal battery use while the phone is asleep) to around 95% then charged to 100%, repeating as needed. So your phone is not actually charging the whole time while it is plugged in. Many small charges are better for the battery in the long run. Also the cycling allows time for the battery to cool off between charges which is also good long term care.
Basically, leaving it on the charger overnight is fine.
As a side note, I remember this feature causing an issue a few years back with people complaining that their phone wouldn't be at 100% when they unplugged it, or alternatively they would look at it a few minutes after unplugging and see that it had dropped to 95% thinking it used 5% in a few minutes. In actuality, they chanced to unplug at the minimum of the charge/discharge cycle I mentioned above."
Basically, leaving it on the charger overnight is fine.
As a side note, I remember this feature causing an issue a few years back with people complaining that their phone wouldn't be at 100% when they unplugged it, or alternatively they would look at it a few minutes after unplugging and see that it had dropped to 95% thinking it used 5% in a few minutes. In actuality, they chanced to unplug at the minimum of the charge/discharge cycle I mentioned above."
"I often see many misconceptions about iPhone batteries, and Li-ion batteries in general, so I thought I'd write a mini-guide to address this issue.
iPhones have Lithium ion batteries. All Li-ion batteries have a limited life span, ie a finite number of charge cycles that they can undergo before becoming useless. The number of cycles you can achieve is determined in part by how you treat the battery.
The two biggest enemies of Li-ion batteries are heat and over-voltage charging. The latter is mainly taken care of by charger design (ie trickle charging and cutoffs).
Heat is a bigger problem. Batteries get hot when they are charging. Heat is also related to the other big reducer of Li-ion battery lifespan: Deep charge cycles.
Li-ion batteries function optimally and have the longest lifespan when discharged to around 60-80% then charged to full. Full (or deep) discharges* reduce the lifespan of the battery. Full discharges are bad due to intrinsic chemistry (small permanent changes inside the battery reduce its life) and also recharging from a low charge will inevitably heat (causing more permanent chemical changes) the battery more than shorter, more frequent charges.
Often people recommend infrequently fully discharging Li-ion batteries and sometimes even report better life after such treatment. This treatment of batteries is a legacy of times when Ni-Cad batteries were the predominant type and the subsequent conflation with Li-ion technology.
The apparent 'improvement' results only from the recalibration of the electronic gauge used to display the remaining battery percentage. Directly gauging a battery's current level of charge is not actually possible. The percentage shown is an average 'expected' value based on previous uses of the battery after being monitored by software for a period of time. If the calibrated values become inaccurate the battery gauge will also be inaccurate. A full discharge will recalibrate the software gauge, often resulting in more accurate battery-level readings. This in no way affects the battery at all. All that happens is the software is more accurate at reporting the estimate charge remaining. You will get no more performance from your batter by doing a full charge even if it appears to be so (actually, by doing a full discharge, you have reduced the lifespan of your battery by a tiny amount). Apple actually recommends infrequent full discharges. My guess is that they see this as a trade off; they know they are reducing the battery life by some tiny amount, but also receive far fewer customer support complaints due to poorly calibrated battery gauges being perceived as faulty devices.
* For the purposes of this guide a 'full discharge' is defined as reaching around 5-10%. For Li-ion batteries a 'full discharge' is not truly a complete discharge. Li-ion batteries have a cutoff within the battery to prevent complete discharge. If a Li-ion battery is completely discharged it can not be recharged. So when your device containing a Li-ion battery reports the battery is empty this is the cutoff coming into play and preventing permanent damage to the battery."
TL;DR
DO: Charge frequently. Small, frequent charges are best. Charge your battery first if you are going to leave it unplugged for an extended period. Charge your battery in a cool spot.
DO NOT: Let your battery get hot. Fully discharge your battery. Let your battery sit at low charge for extended periods. Believe the lie that full discharges improve battery lifespan.
iPhones have Lithium ion batteries. All Li-ion batteries have a limited life span, ie a finite number of charge cycles that they can undergo before becoming useless. The number of cycles you can achieve is determined in part by how you treat the battery.
The two biggest enemies of Li-ion batteries are heat and over-voltage charging. The latter is mainly taken care of by charger design (ie trickle charging and cutoffs).
Heat is a bigger problem. Batteries get hot when they are charging. Heat is also related to the other big reducer of Li-ion battery lifespan: Deep charge cycles.
Li-ion batteries function optimally and have the longest lifespan when discharged to around 60-80% then charged to full. Full (or deep) discharges* reduce the lifespan of the battery. Full discharges are bad due to intrinsic chemistry (small permanent changes inside the battery reduce its life) and also recharging from a low charge will inevitably heat (causing more permanent chemical changes) the battery more than shorter, more frequent charges.
Often people recommend infrequently fully discharging Li-ion batteries and sometimes even report better life after such treatment. This treatment of batteries is a legacy of times when Ni-Cad batteries were the predominant type and the subsequent conflation with Li-ion technology.
The apparent 'improvement' results only from the recalibration of the electronic gauge used to display the remaining battery percentage. Directly gauging a battery's current level of charge is not actually possible. The percentage shown is an average 'expected' value based on previous uses of the battery after being monitored by software for a period of time. If the calibrated values become inaccurate the battery gauge will also be inaccurate. A full discharge will recalibrate the software gauge, often resulting in more accurate battery-level readings. This in no way affects the battery at all. All that happens is the software is more accurate at reporting the estimate charge remaining. You will get no more performance from your batter by doing a full charge even if it appears to be so (actually, by doing a full discharge, you have reduced the lifespan of your battery by a tiny amount). Apple actually recommends infrequent full discharges. My guess is that they see this as a trade off; they know they are reducing the battery life by some tiny amount, but also receive far fewer customer support complaints due to poorly calibrated battery gauges being perceived as faulty devices.
* For the purposes of this guide a 'full discharge' is defined as reaching around 5-10%. For Li-ion batteries a 'full discharge' is not truly a complete discharge. Li-ion batteries have a cutoff within the battery to prevent complete discharge. If a Li-ion battery is completely discharged it can not be recharged. So when your device containing a Li-ion battery reports the battery is empty this is the cutoff coming into play and preventing permanent damage to the battery."
TL;DR
DO: Charge frequently. Small, frequent charges are best. Charge your battery first if you are going to leave it unplugged for an extended period. Charge your battery in a cool spot.
DO NOT: Let your battery get hot. Fully discharge your battery. Let your battery sit at low charge for extended periods. Believe the lie that full discharges improve battery lifespan.
http://www.reddit.com/r/iphone/comments/1n029f/getting_the_longest_life_out_of_your_iphone/
KoruptData
Member
Thanks for the answers everyone, I'll consider it normal.
CrunchinJelly
formerly cjelly
It feels very sturdy as a case. Like, it has a nice stiffness to it. The micro fibre inside is a nice touch.
However, the 'leather' feels terrible. Kind of like the same material you get on a really cheap leather sofa. It feels like if you had a sheet of the 'leather' you could tear it like paper.
I stupidly thought it was gonna be real leather at the price. Oh, well.
Are the batteries positively or negatively affected if you're charging it fairly often and only letting it get to maybe 70% or so? For example, if it's plugged it all the time while you're home, on the go you have it connected to a small portable battery, and when at work or wherever it's also being charged?
It's this stuff: http://en.wikipedia.org/wiki/Aniline_leatherIt feels very sturdy as a case. Like, it has a nice stiffness to it. The micro fibre inside is a nice touch.
However, the 'leather' feels terrible. Kind of like the same material you get on a really cheap leather sofa. It feels like if you had a sheet of the 'leather' you could tear it like paper.
I stupidly thought it was gonna be real leather at the price. Oh, well.
Don't be too worried about keeping it constantly topped off. It's a cell phone - you're replacing it every 2-3 years at the longest. If you're constantly worried about keeping the battery life up, you're not going to be able to use it normally.
"I would say, mostly for quality of life purposes, just leave it connected all the time. It's not worth your time and effort tracking the charge level. The effect would be minimal between the normal 'always plugged in' charging pattern and manually micromanaging it to 80% and charging. As far as I understand the iPhone charger is better than most chargers which 'trickle charge', that is try to keep the battery at 100% by supplying constant low charging current. The iPhone charge system basically does what you asked about, it just lets the charge drop to 95% rather than 80%. That way you are almost fully charged all the time yet aren't charging constantly."
Yeah, it's not so much a worry, and that scenario isn't my current one, just wondering if it would be more negative than beneficial.
I use and iPhone 4S and an iPad 2 a lot virtually every day. I bought both of them on day 1.
I have OCD regarding battery management, although I have not engaged in exactly the practices described in the earlier posts on this page.
In particular I will regularly run my device until it turns off by itself due to low battery. And this hasn't hurt my battery one bit.
I feel like my battery works just about as well as it did when I first bought both devices. I just got two days of standby and 11 hours of usage time out of my iPad 2. Similar story for my 4S.
I have OCD regarding battery management, although I have not engaged in exactly the practices described in the earlier posts on this page.
In particular I will regularly run my device until it turns off by itself due to low battery. And this hasn't hurt my battery one bit.
I feel like my battery works just about as well as it did when I first bought both devices. I just got two days of standby and 11 hours of usage time out of my iPad 2. Similar story for my 4S.
Got the Shakes
Member
I haven't seen it written online, in fact the only thing I saw in writing on AT&T's webpage was that early upgrades come up after 6 months of signing a new contract. The information I've gotten about them being yearly instead was from an online customer service rep. I'm still not sure if I am going to jump on a 5S, but I took a picture of the chat window so in case AT&T wouldn't allow me to upgrade again next year for some reason, that I have evidence that I was told I could upgrade again after 12 months. I've also read plenty of stories of people being able to get their upgrade dates changed by talking to customer support, specifically customer retention if you have been a customer of their's for years.
UPS says iphone is delivered (Rogers reservation).
It's sitting on a countertop 5 minutes bike ride from me. arrived 11:08 am.
How long do I give them to call me before I make a nuisance of myself
Mine says it should be at the Rogers store at the end of the day today. Realistically, it'll probably be there and ready by tomorrow.
UPS says iphone is delivered (Rogers reservation).
It's sitting on a countertop 5 minutes bike ride from me. arrived 11:08 am.
How long do I give them to call me before I make a nuisance of myself
So it's sitting at the Rogers store? I'd at least call them up saying you know it was just delivered, and ask if you could pick it up now.
eudaemonic
Member
Excited to get mine on Thursday. Still debating on what to do with my 4S...
Anticitizen One
Banned
Does anyone know if stores will be getting a shipment of 5s's this week?
Diablohead
Member
i've had my 5 for about 10 months now and I throw it on charge randomly every day or two usually when it's in the 60% or below region. I also give it quick 10-20 minute charges before work and if I want to top the battery off before going out for the day, still no problems.
Don't worry about it. No matter what you do your battery is going to start dying after 18 or so months.
After that they will slowly hold less and less charge until they become useless. That's true of even lithium battery and that is the best tech we have .
I was told AT&T was expecting shipments either today or tomorrow. At least in Arizona.
anonymous_abc
Member
Why is the fingerprint sensor limited to 5 fingers. I've set three of them to drastically different parts of my right thumb and two to the left. Yet still there are weird angles my right one is not registered by on the first try. :/
Man I'm sick of waiting for this, you'd think ordering directly from Apple within the first minute or so of the iPhone being available on their site would get you one in a timely manner. It's worked perfectly for the last five years, this has really taken the shine off the 5s for me.
FantasticMrFoxdie
Mumber
Best/Quickest way I've found is emailing to myself as an mov and downloading back on the phone
AngryChinchilla
Member
Mine is in Korea, but is still saying it will be delivered tomorrow (Florida). Is that possible?
Very.
Apple stated during the conference its coming out sometime in December for the "wave 2" countries.
Damn, that explains why my 4s's battery has turned to shit.
I thought as much at first, but then I noticed Cook said "by December it will have launched in 100 countries", so maybe there will be "waves" still. This said, with the supply problems the US is apparently having, I don't really see it launching here anytime soon
Beermeister
Banned
My fingerprints... hell no, Apple... hell no! No sale!
Never heard of this new cool thing called airplanes? They are quite fast, you know?
Never heard of this new cool thing called airplanes? They are quite fast, you know?
Spiderjericho
Member
It feels very sturdy as a case. Like, it has a nice stiffness to it. The micro fibre inside is a nice touch.
However, the 'leather' feels terrible. Kind of like the same material you get on a really cheap leather sofa. It feels like if you had a sheet of the 'leather' you could tear it like paper.
I stupidly thought it was gonna be real leather at the price. Oh, well.
I bought the space gray with the red leather case on day 1.
The phone I have no problem with; however, the case just gives off a cheap feeling. I was expecting some quality leather, albeit a bit stiff to protect my phone. I'm going to return the case and pick up another SPIGPEN.
Macho Madness
Member
My Silver 5S is here. This is a major improvement over my 4, holy shit.
It's heavily rumored to be in the version.
Replacing a 4S battery is super simple if you want to buy a new battery. You just need the proper screwdriver.
Oppo
Member
So I tried that... no answer.. so I went down there.
There was one girl at the counter, someone else in the back, and she said "yes we have the phone but we haven't processed them yet"... I asked if they really were going to send me away when it was just sitting in a box (I was polite, but wtf) and she says yes, we have to activate them, etc.
So I get home. 10 minutes later, call: "your iphone is here"
Anyways. Got my 64GB gray model now and it's fucking nice.
I'm sorry, but you're being kinda a baby....first world problems.
I gave them a call again, and somebody picked up.
It's delivered, but it sounds like the store hasn't even started doing anything yet.
But all the bands that are required in UK (1, 2, 3, 5, 8, 20) are all active in the US models, except for band 7. Wouldn't that mean that the US phone will work in the UK under the other LTE bands?
This is mainly because it is wayyyy cheaper for me to buy the phone in US rather than buying it in the UK. Like really cheaper.
I'll be getting a brown one for my white 5 in a few hours, will post some photos then.