Released on September 19, 2014, this 4.7" screen iPhone is the smaller version of the iPhone 6 Plus.

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Replacement Battery Losing mAh Fast

I installed a new Battery into my iPhone 6 about a week ago. Now, usually this wouldn't bother me, but the battery reading software when I first installed it said it had 1750 of 1810. Which is not much of a difference but still a fluctuation for a battery. Now, 14 cycles later it is reporting that it can only handle 1650 of 1810. And I will unplug the phone and plug it back in and it maybe will go to around 1670 and sometimes lower to around 1610. Is this normal to see in a battery for fluctuations in capacity? Or should I order the warranty replacement?

It was a company off of amazon, probably not the best quality battery.

Recently I replaced the iPhone 6s Plus battery, but ordered the parts from iFixit, and it has a maximum capacity of 2865 of what it should only have 2750 mAh.

Answered! View the answer I have this problem too

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Batteries are strange beasts; you can't get too caught up on what the exact capacity is at the outset. However, capacity trending down at a rapid pace is cause for concern. You are already down to 90% of capacity within a week.

You should contact your seller and see what they can do for you. They may be willing to replace it.

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Figures, I thought something was up. Thanks for the help. The seller did agree to send a replacement, I just wanted to make sure I was not over-worrying and making them replace a perfectly good battery.


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Noah Smith will be eternally grateful.
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