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Dell Active Pen PN557W User’s Guide

Installing the coin-cell batteries

About this task

CAUTION: Incorrectly installing the coin-cell batteries may damage the pen.
CAUTION: If the incorrect battery type is installed into the pen, there is a risk that the batteries may explode.
NOTE: Pairing information is lost when you remove the coin-cell batteries. To pair the pen with your device, see Pairing with a Bluetooth device.


  1. Remove the top cover from the pen.
    Image: Removing the top cover.
  2. Remove the coin-cell battery holder from the top cover.
    NOTE: For more information, see Removing the coin-cell battery holder.
    Image: Removing coin-cell battery holder.
  3. Install the coin-cell batteries into the coin-cell battery holder.
    Image: Installing the coin-cell batteries.
  4. Replace the coin-cell battery holder.
    Replacing the coin-cell batteries holder.
  5. Replace the top cover.
    Image: Replacing the top cover.

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