Screw the bottom and top of the pen back together. If you hold the pen top sideways and slide the battery case in, the coin cell batteries may flip over before they're secure and in their proper position. Tighten the case just until you feel resistance. Slide the top of the pen down over the battery case. Insert the new batteries into the battery case with the negative (–) side facing the pen tip. Remove the battery case and remove the old batteries. You’ll need to press on the spring to fit the blade of the screwdriver into the larger notches on the battery case.

Recommended method: Insert a jeweler’s Phillips screwdriver into the battery case, through the middle of the spring, and unscrew the battery case.Īlternative method: Insert a flathead screwdriver into one of the notches on the side of the battery case and twist the battery case to unscrew it. Unscrew the top of the pen from the bottom, leaving the paper label in the top in place.ĭo one of the following to remove the battery case: To do this, you’ll need two new size 319 coin cell batteries and a jeweler's Phillips screwdriver. If you have the Surface Pen with two side buttons, you may also need to change the button-cell Bluetooth batteries in the pen cap. There are also two button-cell batteries in the pen cap that may need to be changed. Replace the AAAA battery with the positive (+) end of the battery pointing toward the writing tip.

Unscrew the top of the pen from the bottom. Microsoft Business Pen, Microsoft Classroom Pen 1, Microsoft Classroom Pen 2, Surface Pen with two side buttons and a clip,

Microsoft slim pen and charger