1. Turn your HP 1325sa laptop over.
2. Find the laptop battery release button lock for your HP 1325sa laptop.
3. Now that your HP 1325sa 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 HP 1325sa battery is removed, grab your replacement HP 1325sa battery for installation.
6. Insert the battery into the slot. Push the HP 1325sa battery towards the laptop and secure it in place.