Aloha OTC, thanks for asking us your questions about the Samsung Galaxy S25 Ultra S Pen. No, the advertised Galaxy S25 Ultra S Pen does not need to be charged as it does not support Bluetooth Low Energy (BLE) technology, including pairing, charging, or remote features like Air actions, which allows you to control your phone using gestures and movements. Feel free to check out, "Use the Galaxy S25 Ultra S Pen" if you would like to learn more about this accessory. If you have any other questions for us or if you would like any further assistance, please feel free to reach out to Support. Thanks for being a steadfast Samsung customer. - Debra