Change Surface Pen Batteries - Microsoft Support

Related topics × Surface Pen topics Identify your pen

• Identify your pen and features

How to use your pen

• Surface Slim Pen
• Surface Pen
• Windows PC

Charging Slim Pen

• How to charge your pen
• Use the Surface Slim Pen charger
• Fix problems with charging your pen

Batteries and pen tips

• Change batteries
• Replace pen tips

Troubleshooting

• Troubleshoot your Surface Pen
• Surface Pen doesn’t ink

Skip to main content Sign in with Microsoft Sign in or create an account. Hello, Select a different account. You have multiple accounts Choose the account you want to sign in with. Related topics Surface Pen topics Identify your pen

• Identify your pen and features

How to use your pen

• Surface Slim Pen
• Surface Pen
• Windows PC

Charging Slim Pen

• How to charge your pen
• Use the Surface Slim Pen charger
• Fix problems with charging your pen

Batteries and pen tips

• Change batteries
• Replace pen tips

Troubleshooting

• Troubleshoot your Surface Pen
• Surface Pen doesn’t ink

Surface Surface Pen Surface Pen Change Surface Pen batteries Applies ToSurface Devices Windows 11 Windows 10

Some Surface Pens need to have their batteries replaced. If you're not sure which pen you have, see Identify your Surface Pen and features.

Note: The Surface Slim Pen and Slim Pen 2 don't have replaceable batteries. If you need help charging either, see Fix problems with charging your Surface Slim Pen. 

Surface Pen with no clip

1. Pull the top end straight out from the bottom.

2. Replace the AAAA battery with the positive (+) end of the battery pointing toward the tail end of the pen.

3. Align the flat sides of the pen and push the two parts back together.

Surface Pen with single button on flat edge

1. Turn the cap (the eraser end) counter-clockwise until you hear and feel it click into place (about 30 degrees). Gently pull the cap straight out from the body.

2. Replace the AAAA battery with the positive (+) end of the battery pointing toward the tail end of the Pen.

3. Line up the metal guide bump on the cap with the half-circle cutaway on the Pen body, and slide the cap back into place.

4. Turn the cap a little bit to align the flat edges.

Surface Pens with two side buttons

(Microsoft Business Pen, Microsoft Classroom Pen 1, Microsoft Classroom Pen 2, Surface Pen with two side buttons and a clip)

Replace AAAA battery

1. Unscrew the top of the pen from the bottom.

2. Replace the AAAA battery with the positive (+) end of the battery pointing toward the writing tip.

3. Screw the top back on.

There are also two button-cell batteries in the pen cap that may need to be changed.

Replace battery in pen cap

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. To do this, you’ll need two new size 319 coin cell batteries and a jeweler's Phillips screwdriver. 

1. Unscrew the top of the pen from the bottom, leaving the paper label in the top in place.

2. Do one of the following to remove 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.

   • Alternative 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. You’ll need to press on the spring to fit the blade of the screwdriver into the larger notches on the battery case.

3. Remove the battery case and remove the old batteries. Insert the new batteries into the battery case with the negative (–) side facing the pen tip.

4. Slide the top of the pen down over the battery case. Tighten the case just until you feel resistance. Don't overtighten it.

   Caution: 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.

5. Screw the bottom and top of the pen back together. You may need to pair the pen with your Surface again after you change the batteries.

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