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Repair information and guides for the iPhone 6 that was released on September 19, 2014. Model Numbers: A1549, A1586, and A1589

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battery drained , I recharge it by PS but it doesn't last long

Hello

so i got an iphone that is not turning on , i checked for the battery voltage with a multi-meter and it was 2.6 , tried to turn the iphone on with power supply and it works fine , so the problem was in the battery

so i plug the power supply of 12 volt to the battery to recharge the battery , i was able to raise the battery voltage to 3.7

i tried to turn on the iphone with the recharged battery , it works but the phone lose power quickly , in one hour the phone will turn off

tried to charge it fully many times for a week , but still the same problem

i know changing the battery is the solution , but can you please explain to me why its not working when i charged the battery and rais the voltage to 3.7 ?

Answered! View the answer I have this problem too

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You probably killed the battery either by powering it with 12v WHICH YOU SHOULD NEVER EVER DO, or the 2.6 volt was a sign that your battery is done.

Here is the replacement part. Its only 15 bucks and its a good quality part.

iPhone 6 Battery

iPhone 6 Battery Image

Product

iPhone 6 Battery

$29.99

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but why not ? i took a course in my country about mobile maintenance and the presenter said its a property for the mobile batteries , and it did raise the battery voltage , so it made sense to me , can you explain to me whats wrong in my logic ?

by

Its just that lithium batteries can be very temperamental and can explode if treated wrong. I suggest 4.2 volts, which is the max voltage for the battery. It will take longer but will avoid damage. And this fast drain could be a result of your work.

by

12V on a 4.7V battery haha it's like putting 12V into the CPU and killing it. No different than that.

by

Well said @cam2363 , you should never "charge" a Li-ion battery with 12V. They can be charged if you have a constant voltage / constant current power supply but I would not leave it unattended (unless you have a fancy programmable one).

Here is a link on how to charge Li-ion...

http://batteryuniversity.com/learn/artic...

Dave (EEVBLOG) has a great video on how to do it...

https://www.youtube.com/watch?v=jNmlxBXE...

by

thank you guys

it was an innocent mistake lead by wrong teaching

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Hesham Adwan will be eternally grateful.
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