Tell me the truth on this. You or others you know actually watch an iPad charge and unplug it the monent it hits 100%? Really? Wow!
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Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
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Tell me the truth on this. You or others you know actually watch an iPad charge and unplug it the monent it hits 100%? Really? Wow!
Anyone interested on good battery usage and some background info should read http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
Short summary: discharging is bad so charge frequently
Short summary: discharging is bad so charge frequently
No, when it reads 100% it's close enough to 100% to be considered 100% for all practical purposes. Talking within 1%.
Summary of the article: Everything is fine. You can leave your device plugged in at all times if you like without hurting it. When it says 100%, it's at 100%. Stop trying to make this a big deal because everything is fine.
Restart your iPhone. Press and hold both buttons at the same time until the screen turns black and an Apple logo appears. This is not normal. As the article says, the discharging and recharging of the iOS device is not noticeable to the user. The amount they're doing is microscopic compared to the amount you're saying. If they did 4-8% they'd hit a charge cycle every 10-12 days of doing this.
Another way to fix this issue is to let your iPhone die completely (run movies, whatever it takes). Leave it dead for 2+ hours, then charge it to 100% and leave it on the charger for 2+ hours if you can. With the MacBook, it's easier to do this since it's not as critical as your phone. Good luck.
It is quite unacceptable that Apple products work better than advertised, sometimes holding more charge than rated. This makes their competition look bad. The FTC should step in and make Apple batteries hold less charge. Apple, please end this anti compeditve compatancy and make cr4p products like everyone else. While you are at it, please fire all your wonderful support people and hire new ones who can't speak English and only read from a card.
More likely, peg it at 101%. The fact that it occasionally ramps above rated capacity should not bother anyone.
All stupid people are stupid as are average people. Many smart people have the intelligence of a brain dead stick.
I am not sure, however, if I were to see the curve, I am sure, it would ring a bell.
For all practical purposes, it is at full charge.
Believe it or not, but when you purchase any battery fresh from the store, it is not 100% fully charged because every battery of any kind looses charge from the moment it's manufactured.
Perhaps the only way Apple could get some minds to accept what's being shown is to call it "Full" instead of "100%". Like when you fill a glass with water to drink, you consider it to be full when is really isn't. It's filled to the practical limit.
My 2007 Macbook I kept plugged in all the time. Occasionally I'd let it run on battery, but not much. At some point maybe once a week it would run on battery (probably more like once a month).
The battery when I do have to use it still lasts quite a bit (it's probably at normal loss of use, last I checked it had something like 87% or more battery life left according to coconut battery. I dunno, I could be exagerating but I know it wasn't that much less than what it claimed for my 2010 new and it was a lot more than I expected for a 3 year old battery).
My current macbook pro I plug in all the time as well (It's a 2010), it gets used on battery more since it has a long enough battery it's not worth trying to keep it plugged in when I am using it at my friends. So once a week it usually gets used (for usually about half it's life, maybe a bit more). Coconut battery says it has 89% battery (and coconut never claimed more than 97% for this computer, even when new and for whatever reason it quickly went down to 94% and seemed to stay there til last I checked. I haven't checked in a year honestly, just checked now for the purpose of this post). And I know it usually seems to get the same life as it did new.
So I don't believe the hype about not always leaving your laptop plugged in.
No, they're saying that people are not all-knowing and may be egger to publicize that fact. It's clear that many people that post here do not have a basic understanding of electronics or physics, yet post many comments lambasting things they are unable to comprehend. It's Apple's intention to provide a bit of education to help them understand a few basic principles.
Well done Apple!
Li-ions degrade by time, not only by cycling them.
Higher the state-or-charge and higher the temperature, more higher is the degrading rate. So keeping it @100% state-of-charge and inside 60 degree Celsius machine is the worst case scenario. Best would be keeping it like 40-50% SOC and somewhere cold and dry, enough charge so that self-discharge rate will not drive the voltage below allowed low-limit.
nodemandbecauseoflackoflinesgate, done.
heatgate, done.
batterygate, done.
head over here for the next gate...notreally4Ggate hehe
it never gets old all the silliness!
What really never gets old is covering up problems and blindly following a company just because you're, for some reason, emotionally attached to them.
Heat is still a problem. Whether it's a few bad iPads, or all of them, it needs to be figured out.
And the battery not charging while in use is still an issue. Whether it's a charging problem, related to the heat problem (thermal cutoffs not working, whatever) or poor engineering remains to be seen.
Silliness is when you love a product so much that you cannot stop and look at the obvious flaws with it. Nothing is perfect, so why you sit here and state that Apple products are is beyond comprehension. And you do it in more than one thread... think outside the box and the world becomes a much more interesting place.
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There are also those people that emotionally fall in love with a brand/product and can see no flaw that is very obviously there. How big of a deal they are is opinion and depends on use, but to flatly ignore the issues or to tell other people it's a "non-issue" just because you use it differently is ignorant at best, and arrogant at worst.
Just wait til the next earnings report and the joke will be on the critics. I keep on thinking is anyone short selling Apple as they send out critiques like this. That is an old Wall Street trick and illegal if the connection can be proven in court.
And God forbid anything is actually wrong with an Apple product. Conspiracy, much? I bet you think Obama is going to take your guns away too, right?
I'm surprised nobody makes a big deal about the laptops charging. The 4 that I have had would stop between 96-99% and say fully charged. I know it's full so I don't care. I'll probably charge it at 15-20% so it's not like the extra 1 or 2 percent matters.
Why make such a big deal about it?
Why make such a big deal about it?
No no no, I meant a high voltage charger like they provide for recharging electric cars in a home garage:
http://www.theoutlookonline.com/sustainable/story.php?story_id=129505302119775400 said:
http://gm-volt.com/2009/12/12/will-garage-charger-installation-turn-off-would-be-electric-car-buyers/ said:
Watts is voltage x current...good ol' Ohm's law. BTW, I been working electronics for 23 years (space communications maint for DoD).
Really? This was an issue?
How freaked out are people going to be when they find out that when the phone shuts down, the battery isn't really at zero volts?
"I don't understand something-- it must be a conspiracy!"
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How freaked out are people going to be when they find out that when the phone shuts down, the battery isn't really at zero volts?
"I don't understand something-- it must be a conspiracy!"
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That was mostly necessary for nickel chemistries. With lithium chemistries you actually want to minimize the number of deep discharges you do.
Did you just make this up? That does not happen.. Do you even own an iPhone or iPad?
Analog Kid is right on, cycling batteries is for Nicads mainly for sure. Most new technologies don't need it.
Lithiums;
Love to be charged.
Hate to be deep cycled.
Hate heat, not the warm iPad, high heat.
Hate extreme cold, more so if fully charged.
Love to be at about 50% charge if stored for very long periods.
Hate to be fully discharged, and will suffer damage if left that way.
Gracefully lose their capacity from date of manufacture and are generally good for about 3 years.
This is why Tesla's lithium packs are liquid heated and cooled to keep them in the sweet spot temperature band, and why some have been "bricked" when users garaged them without a charger attached and that's a BIG hit.
But usually I let old fashioned users do old fashioned things....
And with all that has been said, the iPads have no real issues in the battery or heat department. My iPad3 sits on my desk, powered on all day, displaying live video, on charge at 100%, and my I/R temp gun shows the one warm corner that has been mentioned by others is about 92 degrees. My iPad2, and 1 before that felt pretty close to the same.
All the concerns voiced so far are pretty much, how you say, Mouse Nuts?
Lithiums;
Love to be charged.
Hate to be deep cycled.
Hate heat, not the warm iPad, high heat.
Hate extreme cold, more so if fully charged.
Love to be at about 50% charge if stored for very long periods.
Hate to be fully discharged, and will suffer damage if left that way.
Gracefully lose their capacity from date of manufacture and are generally good for about 3 years.
This is why Tesla's lithium packs are liquid heated and cooled to keep them in the sweet spot temperature band, and why some have been "bricked" when users garaged them without a charger attached and that's a BIG hit.
But usually I let old fashioned users do old fashioned things....
And with all that has been said, the iPads have no real issues in the battery or heat department. My iPad3 sits on my desk, powered on all day, displaying live video, on charge at 100%, and my I/R temp gun shows the one warm corner that has been mentioned by others is about 92 degrees. My iPad2, and 1 before that felt pretty close to the same.
All the concerns voiced so far are pretty much, how you say, Mouse Nuts?
Umm, the Ipad charger is already a "high voltage charger" - you can plug it into a 240v outlet and it runs fine. (Or 248v outlets like I have in the home - for some reason PG&E averages around 124v/248v at my house.)
So, you meant to say "high wattage charger", not "high voltage charger" - since the voltage without the amperage is insignificant.
ps: I loved the electrical system when I lived in Switzerland - the house was wired for 380v 3Ø ....
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hehe, give it up man...the 4Ggate is still going on, you might want to make your way over there before that one ends!
I wonder how long the battery would last if you removed the retina display and swapped it for an iPad 2 display ?