Is it bad to keep your iPhone charged all day?

Lithium polymer batteries like the one in the iPhone are pretty amazing batteries. The battery will likely last for the life of the phone even if treated in the least battery friendly way. read more

The battery will likely last for the life of the phone even if treated in the least battery friendly way. So the short answer is it doesn’t really matter whether it’s bad for the phone to keep it charged all day because you’re unlikely to encounter battery issues. read more

But at least you can now rest assured that nothing bad will happen to your iPhone if it stays plugged in longer than you think it should. But what you should do when it comes to recharging your phone at night is to make sure that all the equipment you’re using is safe to use, and that you don’t cover external batteries or smartphones during the process. read more

Battery is still going strong, and this is certainly more than 900 charging cycles for this device. My iPhone 5 and iPad (3rd gen) were used the same way. No negative impact from having them charge all night every night. I'm now using the iPhone 6+ the same way. This is an expected use case for a mobile device, and it's running just fine. read more

If at all possible, avoid frequent full discharges and charge more often between uses.” So, if you're the type of person that is frequently running your battery down below 20%, you're actually better off keeping your iPhone plugged in most of the time when you're not using it. read more