I have an iPad mini 4 that drains the battery very rapidly. I replaced the battery about a year ago. According to Coconut Battery the Full Charge Capacity is the same as the Design Capacity (5124 mAh). I have turned off Background App Refresh for all but the most essential apps. Location Services is off for almost everything. I have set mail and other similar stuff to fetch rather than push. Still, I only get a few hours use out of each charge. I read the newspaper in the morning (about an hour). When I'm done the battery is usually down to about 70%. I set the iPad aside until the evening. When I pick it up again the battery percentage might be 40%; even though it has been idle for the last five hours. Where did that 30% go?
As a result, I've gotten into the habit of putting the iPad on the charger when I'm not using it in the afternoon.
Even then I only get a couple of hours use out of it in the evening when I'm reading Flipboard, Apple News, The New Yorker or a Kindle book. I have post-cataract lens implants, so, by necessity, I keep the screen brightness down or use dark mode, depending on the app.
One other observation: Even when the iPad has been idle, it feels very warm to the touch. Coconut Battery reports the average battery temperature at about 50ºC while my iPhone XR averages about 30ºC.
It seems that something is going on here, but I don't know what it is.
As a result, I've gotten into the habit of putting the iPad on the charger when I'm not using it in the afternoon.
Even then I only get a couple of hours use out of it in the evening when I'm reading Flipboard, Apple News, The New Yorker or a Kindle book. I have post-cataract lens implants, so, by necessity, I keep the screen brightness down or use dark mode, depending on the app.
One other observation: Even when the iPad has been idle, it feels very warm to the touch. Coconut Battery reports the average battery temperature at about 50ºC while my iPhone XR averages about 30ºC.
It seems that something is going on here, but I don't know what it is.