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When do you replace a the battery of an iPhone 5s? I used an app that said it has 900+ charge cycles. I find I have to charge it constantly because it doesn't hold its charge very well.

I know a Macbook and iPhone are not comparable but this link says after 1000 charge cycles for the Macbook, it's time to replace the battery so I'm wondering if there's a similar rule of thumb for an iPhone too (specifically iPhone 5s)

4

Your answer can be found here: Battery Service and Recycling.

iPhone Owners

Your battery is designed to retain up to 80% of its original capacity at 500 complete charge cycles.

The one-year warranty includes service coverage for a defective battery. If it is out of warranty, Apple offers a battery service for $79, plus $6.95 shipping, subject to local tax.

My personal experience is that replacing the battery at about 700-800 cycles is a must. But obviously it depends on how the phone is used.

And yea, I'd say the cycle count is kinda irrelevant. Cycle count gives you a good idea of what state it is in... But when you are the one who uses the device, you should know when you've had enough.

I've always used those 3rd party phone repair shops, where the battery replacements tend to be relatively cheap.

2

Not to sound flippant but it really is, when you want to. If the phone is not holding a sufficient charge for your use then it is time to get it replaced.

It might be cheaper to get one of those cases that have a battery in them that would give you more usage time, but again that is a personal preference.

0

As Joonas suggests, the cycle count is not totally relevant. What's more important to look at is the design capacity of the battery. To do this, use a battery utility, such as [http://www.coconut-flavour.com/coconutbattery/|coconutBattery] (for Mac) or [http://www.3u.com/|3uTools] (for Windows). It will tell you what the health of the battery is. Anything less than 70% of design capacity will require replacement.

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