Be sure that your Razer Basilisk Ultimate | RZ01-03170 is connected to Razer Synapse 4 while charging using the Razer mouse charging dock. The image below shows the corresponding light indicator according to the battery percentage of your mouse:
How do I know the battery status of my Razer Basilisk Ultimate has when charging?
Updated:
06-Feb-2026 | Answer ID:
502
This answer will show you how to check the battery status of your Razer Basilisk Ultimate while charging.
