Replacing the battery in your product | Bose S1 Pro+ Portable Bluetooth Speaker System

1. Press the Power button to power off the system, then disconnect the system from power.
   
2. Turn the system upside down. Loosen the two screws, then remove the bottom plate.
   
3. Remove the old battery using the pull tabs.
   
4. Insert the new battery, ensuring the connector pins line up appropriately.
   
5. Replace the bottom plate, then tighten the two screws until secure.
6. Connect the system to power.
7. Press the Power button to power on the system.

NOTE: The replacement battery remains in Sleep mode until the system is connected to AC (mains) power and powered on.