1: Turn off your laptop and disconnect the AC adapter.
2: Release the latch or other attachment devices that hold your battery in place.
3: Slide the old battery out of its compartment or storage bay
4: Take the replacement battery for laptop out of the box.
5: Slide it into the notch or bay.
6: Close the safety latch to lock it into place.
7: Reconnect the AC adapter and give the new battery for your notebook a full charge.