How long does it take to fully charge? March 27, 2026 21:15 Updated A full charge takes 2–3 hours. The LED stays red while charging and turns green when complete. Related articles Do I need the app open for the pen to work? What do the LED indicator colors mean? How long does the battery last? How does XNote convert my handwriting to digital text? How does audio recording work without a microphone on the pen?