Surface Pro 4 Stylus.
The Microsoft Surface Pro 4 has an optional stylus called the Surface Pen. The Surface Pen is an active stylus with a replaceable tip.
The pen works using Bluetooth technology and is powered by a single AAAA (Quad A) battery.
The warranty for this pen is 1 year from the date of purchase.
More information on the Surface Pen can be found in this Microsoft Article: Using Surface Pen (Surface Pro 4 version)
To replace the battery, follow these simple steps:
- Twist the cap counterclockwise until it unlocks with a click—you won’t need to twist it very far. Then pull the cap straight out.
NOTE: Leave the paper label attached to the cap.
- Remove the battery.
- Insert the AAAA battery, wrapped in the paper label from the cap, with the positive (+) end of the battery pointing toward the cap.
- Line up the pen and cap with the flat sides almost lined up, as they were when you unlocked the pen cap. Then push the cap onto the pen and turn the cap clockwise to lock it in place.
Most issues with the Surface Pen can be resolved by either correctly pairing the device or changing the battery.
While the advertised battery life of the Stylus is approximately one (1) year, battery life is dependent on the amount of usage. (Users who use the stylus heavily, report needing to change the battery monthly)
If the stylus stops working and cannot be paired to the system, changing the battery should be the next step (regardless of the time of use).
Additional Troubleshooting information from Microsoft:
Troubleshoot Surface Pen (Surface Pro 4 version)
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