Charge time for iPhone 4 from a car charger.

JasonG

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Jul 27, 2010
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Ok so this is how bored I am sitting here waiting for my girlfriend. It would take approximately 1.5 hours to charge and iPhone 4 from a car charger from 0% with no phone calls, texts, or alerts, and with the phone in standby. No I didn't let my phone die and wait that long. Here's what I did. I wrote down then percent I was at and start time that I started charging it. I let it charge for 5 minutes. At the end of the 5 minutes I wrote down what the end charge was. It was a 3% difference. So 3% in 5 minutes. So it would take 166 minutes or about 2.7 hours to fully charge an iPhone 4 on a car charger from 0%. Any math wiz out there want to check that to see if I'm right?
 

JasonG

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Jul 27, 2010
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I lied. I double checked the math and got 2.7 hours not 1.5 hours. I don't think o can edit it from my phone so that's why I'm posting this and not editing the post. Ignore the 1.5 it's suppose to be 2.7 hours or 166 minutes
 

slalomskie

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The iPhone doesn't charge at a constant rate. At the beginning the phone charges fast and gets slower the closer it gets to 100.
 

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