1. Turn your Toshiba L515-SP4011L laptop over.
2. Find the laptop battery release button lock for your Toshiba L515-SP4011L laptop.
3. Now that your Toshiba L515-SP4011L 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 L515-SP4011L battery is removed, grab your replacement Toshiba L515-SP4011L battery for installation.
6. Insert the battery into the slot. Push the Toshiba L515-SP4011L battery towards the laptop and secure it in place.