MSI S12T - Manual (Page 27)

3-5
Releasing the Battery Pack
1. Make sure the notebook is turned off, and the AC power is disconnected.
2. Press the lock/unlock button to the unlocked position.
3. Locate the battery release button on the bottom side.
4. Push and hold the release button to the battery releasing direction as shown on the
bottom side.
5. Carefully slide the battery pack out of the compartment and then pull the battery pack out.