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Or is it better to let it charge without interruption?

I'm sure Apple has tested those methods multiple times with a charging ma with the iPhone. I doubt it's an issue. Unless there has been conducted tests and studies proving otherwise.
 
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I do not think the battery cares. The phone will simply start charging again while placed on the charger.

It is not better or worst, it just make no difference.

Enjoy

Wrong.

Charge little charge often charge slow will prolong your battery longevity. Perhaps let it run down every month or so to keep the electrons moving.

So you are doing it right :)
 
I think the battery will become upset, maybe depressed to the point of feeling like all hope is gone, anytime you break the charging connection. So, a battery might develop mental issues.
I might be wrong about that. :D I do suspect that the battery really won't care.
Physically, there won't be a problem.
 
Just remember that the "Goldilocks Zone" for Li-Ion batteries is between 60 and 75 percent with the lower end being more flexible (ranging down to 40%). I've done a lot of reading on the topic since the inclusion of wireless charging and it turns out that charging overnight isn't necessarily going to hurt your battery but it does cause it to wear faster.

As mentioned above, charging little bits throughout the day and keeping it in that zone is the best way to maintain a healthy battery in the long run.
 
Based on my experience with many Lithium batteries, your type of scenario won’t be bad for the battery capacity longevity.

However, what does effect battery wear is 1) hot temperature while you charge 2) running battery all the way down to %0 FREQUENTLY and leaving it uncharged at that low level for too long.

Various instruction manuals including my DJI Drone note Do Not charge the intelligent batteries which are still hot immediately after flying the drone. DJI says the sweet spot to maintain the batteries is between %40-%60 if storing them for a while. Do not store them at max capacity %100.

So my Samsung laptop has a “Battery Extender” feature which only charges the battery to %80 of maximum capacity. Looking at my iPhone specs using CoconutBattery app, I noticed that the iPhone batteries have a max capacity that is %10-20 higher than the designed %100 full charge amount. This concept helps to prevent swelling or damage to the battery.

Also there were people mentioning that rapid charging might wear the batteries in the long run but nothing noticeable immediately.
 
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Been doing this with my 8+ since I got it. It spends most of its day on a non-rapid charging pad at work and I'm constantly picking it up/putting it down. At home, I have a charging pad next to my home computer as well. Because my phone is always at 100%, I no longer charge it at night anymore but wouldn't have a problem leaving it on a pad all night.

I find the trickle charging from 90%-100% to be less stressful on the battery than the more stressful rapid charging between 40-80%. But the posters here are correct - lithium ion batteries prefer 60-80%. See: http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries

DST-cycles-web2.jpg


That said, my 6+ and 6s+ spent most of their nearly 2 year life at 100% plugged in most of the day and ended their service to me with very little design capacity loss.

I do LOVE my Dell Latitude's 80% battery saver feature and wish I could do that for my iPhone. But as my 6+ and 6s+ showed, over a 2 year lifespan, I won't notice any difference. Maybe if I kept my phone longer?
 
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