Thank you for your continued support of Xiaomi products. If the Xiaomi Focus Pen is consuming power quickly when attached to the Xiaomi Pad 7, it could be due to outdated firmware on the stylus. To resolve this issue and improve battery efficiency, we recommend updating the stylus's firmware to the latest version.
To update the Xiaomi Focus Pen's firmware, please refer to the following steps:
1. Navigate to the [Settings] APP;
2. Enter [Stylus & keyboard];
3. Tap [Update firmware].
Keeping the firmware up to date ensures that the stylus operates optimally and that power consumption is minimized. After updating, the stylus will perform more efficiently, leading to better battery life during use.