InfiniteL 44++(0a36307, 45N1027, 45N1029) for Lenovo 9-Cell Hi Capacity Battery for X220 and X230 Notebooks (0a36307)

Flip the system over. Slide the battery latch marked with a one to the unlocked position. Slide the battery latch marked with a two to the unlocked position and slide the battery out of the chassis. To install the replacement battery… Slide the battery into position in the chassis until it locks into place. Slide the battery latch marked with a one to the locked position.