Overcharging iPhone 5 battery?

Mumbolian wrote:

Believe what you want. It stops and continually restarts it. If you actually knew how batteries worked you'd understand why it's better to avoid it.

<Edited By Host>

No, it does not. Like any lithium battery built to the international SMART lithium battery industry standards, once charged it cuts power to the battery entirely and powers the phone independently from the main source. The battery will slowly loose charge from auto-oxidation and only when the charge level drops by 5%-10% will the charging circuits cut back in. On a healthy Lithium cell, that drift will take many hours to more than a day before charging kicks back in.

IT does not rapidly cycle at all. You clearly do not know as much about SMART lithium technology as you think you do.

Check your dates, Michael. 😉

Thanks Meg, i know, I know, and I did see that. But when I see an old thread with erroneous info being resurrected by someone revisiting the erroneous info, I just feel compelled to try and add something to finally put the nonsense to rest. Some new posters will see this thread now that it's been dragged back up.

smart Lithium batteries hve been around for decades now and an entire generation has grown up with devices powered by them, and yet seems most people have zero basic knowledge of the very technology that drives their digital life styles.

Yeah, that poster made me want to reply, too! And, yes, you're right, wrong is still wrong and battery misinformation is still rampant.

I've found nothing relevant at http://www.apple.com/batteries/iphone.html, but thanks for the opinion of a level 9 discussant. A direct quote from Apple would be most appreciated regarding potential overcharging of an iphone battery.

whappen&#39;d? wrote:

A direct quote from Apple would be most appreciated regarding potential overcharging of an iphone battery.

This is a user-to-user support forum. If you want a direct quote from Apple, you'll need to call them.

Best of luck.

whappen&#39;d? wrote:

I've found nothing relevant at http://www.apple.com/batteries/iphone.html, but thanks for the opinion of a level 9 discussant. A direct quote from Apple would be most appreciated regarding potential overcharging of an iphone battery.

Why do you need a direct quote from Apple? They purchase Lithium Polymer batteries from major industry manufacturers who use industry standard specifications which include over charge protection and date back to 1998? The SBS and its associated bus and systems management groups have been setting the globally adopted industry standards for these batteries for nearly 20 years now. Why people refuse to understand that you cannot over charge ANY SBS-standard (SMART) Lithium battery is beyond me. The standard explicitly includes provisions to protect against over charging, and it us used in your laptop's battery, your hybrid car's lithium battery, your electric toothbrush's lithium battery - all SMART Lithium ion/polymer cells.

E.g. see http://smartbattery.org if you want to read through some of the history of the development and adoption of these industry standards

II've tested it by monitoring the input current to the phone while charging. It drops to zero when the battery reaches 100%.

You're just an electrical engineer.... What do you know? 😉

Enuf of these unsubstantiated claims! Document what you claim to be facts, that is cite sources, so that one can follow up on it, in case s/he wants to learn more. Scholarship isn't pedantry, it's useful. As this thread stands no one really knows anything other than the self-appointed and undocumented "experts." I still don't know whether one can lead an iPhone plugged to a charger indefinitely without damaging the battery, or even the phone.

Who is? The answer to that is one who can substantiate his/her claims by dispasionately backing them up with cited literature. Enuf of this bombast!

As the charger stops supplying current when the battery is charged, overcharging is impossible

Since you seem reluctant to believe any information posted, your best course of action would be to charge YOUR devices as you believe they should be charged. Better hurry, your iPhone is at 99.999%, another .001% and the phone battery will self destruct.

What unsubstantiated claims? Michael provided you with a link that will explain how the batteries work. Did you read it? Is that not a citation to back up our claims? And, yes, Lawrence is an engineer and has done the experiment. Apologies if my joke went over your head.

What would you consider a properly substantiated claim?

You COULD look at the post 5 above yours. If that isn't good enough you will have to research lithium battery technology on your own. Then you will know as much as those of us who DO understand it know. I don't feel obligated to do your research for you.