+14 votes
in IOS by
The battery of my iPhone 6S lasts less than 4 hours, I was wondering what is better:

1. Change the battery.
2. Use a battery case.

Thanks for your advice

2 Answers

+5 votes
Using an external battery has several disadvantages.

- When you use an external battery, the device assumes that it is connected to the power and consumes more power (it starts more often apps in background etc).
- iOS reduces the speed of the processor if the battery is very worn (because it can not deliver enough power and if you put the processor to the maximum the phone will turn off).

So I would recommend changing the internal battery.
+6 votes
Using a battery case the telephone assumes that it is plugged in and therefore will not slow down.
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