Is note 20 s pen compatible with note 10 plus and note 10 plus s pen with note 20 in terms of physical and technical aspects as to air gestures features etc. ? In other words can I use note 20 s pen with my note 10?
Another question is that if I store second s pen for months, for a long time away from phone, not using it, keeping is as backup for the given s pen with my phone does it get harm since it has battery inside it as far as I know. Does it become useless, battery dies?
The cool thing about Samsung's S-Pens is they all work on Note devices. Yes you can use your Note 10 S-Pen with your Note 20. There's two ways to do it. If you remove your Note 20 S-Pen you can immediately use your Note 10 S-Pen. If you go into the Advanced Features and then S-Pen, there is an option to enable multiple S-Pens. This will allow you to use another S-Pen while your Note 20 S-Pen is still inside the device. As far as the Air Gestures, you would have to insert the Note 10 S-Pen into your Note 20 so that it can connect and pair via bluetooth.
If you leave an S-Pen uncharged, it will still write on your device. The battery is only for bluetooth functions.
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The battery will die in the sense of draining to 0%. It won't be useless and need to be replaced. All you'll have to do is insert it into your Note device and it will recharge itself.
