Contrary to popular belief, turning bluetooth off does NOT extend your battery life.
Leaving it on means less hassle in the classroom for you [as more teachers use Apple Classroom], AND Find My iPad s FAR more accurate with Bluetooth turned on.
Want to REALLY save battery? The best thing it to turn down your backlight – BUT NOT SO DIM THAT YOU CAN”T SEE IT!
While it is possible to find “bargains” on eBay or at your local convenience store – DON’T use them with your iPad [or any other Apple product, for that matter].
You DEFINITELY want cables and chargers that are “mFi” certified. They are usually indicated with this logo:
Why?
El Cheapo knockoffs risk damaging the circuitry of the iPad. Any iPads that sustain damage to the charging circuits WILL incur a repair charge.
They also don’t last as long and get damaged far more easily.