1. Turn your Toshiba P500-ST5806 laptop over.
2. Find the laptop battery release button lock for your Toshiba P500-ST5806 laptop.
3. Now that your Toshiba P500-ST5806 laptop battery is unlocked, find the battery release button down.
4. Holding the laptop battery release button, gently pull your battery away from the laptop.
5. Now that your Toshiba P500-ST5806 battery is removed, grab your replacement Toshiba P500-ST5806 battery for installation.
6. Insert the battery into the slot. Push the Toshiba P500-ST5806 battery towards the laptop and secure it in place.