Charge the S Pen The new S Pen is built to last, but its battery can drain if you leave it outside of your phone for over 30 minutes, or if you press the S Pen button too many times (about 200 times). To charge your S Pen, insert it into your phone for 40 seconds. In that time, it will recharge to a full 100 percent.
But how will you know if the battery needs to be charged? No worries, when your S Pen’s battery reaches around 20 percent, you will get a notification reminding you to charge it.
To check your S Pen’s battery level at any time, open the Air command menu. Tap Settings in the lower left-hand corner, and then tap S Pen Remote or Air actions. Your S Pen’s battery level will be displayed at the top of the screen.
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