1. Turn your Fujitsu B2130TL laptop over.
2. Find the laptop battery release button lock for your Fujitsu B2130TL laptop.
3. Now that your Fujitsu B2130TL 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 Fujitsu B2130TL battery is removed, grab your replacement Fujitsu B2130TL battery for installation.
6. Insert the battery into the slot. Push the Fujitsu B2130TL battery towards the laptop and secure it in place.