Battery lifespan on iPhone 4S

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Battery lifespan on iPhone 4S

I just got my iPhone 4S and it was 50% full on the battery. After I used for awhile and I charge it when it's 20-30% battery left. But I didnt manage to charge it to full 100% for the first time. I did charged full for the 2nd time for about 4 hrs as a replacement.

As I understand that 1st time charging is very important and need to charge longer than normal.

Now I felt like the battery goes down quite fast, does the first time charging screw up affect the battery lifespan?

iPhone 4S, iOS 5.0.1

Posted on Dec 24, 2011 8:25 PM

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Answer 1

Dec 24, 2011 8:38 PM in response to yvonne84

You didn't hurt it, but you should fully discharge it until it shuts off, then charge for 4 hours with a wall charger to calibrate the battery gauge. Then compare your usage to the specs. If you think you are getting significantly less then post back.

Talk time: Up to 8 hours on 3G, up to 14 hours on 2G (GSM)
Standby time: Up to 200 hours
Internet use: Up to 6 hours on 3G, up to 9 hours on Wi-Fi
Video playback: Up to 10 hours
Audio playback: Up to 40 hours

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