Battery pack removal and installation - ThinkPad X300
View battery removal movie
View battery installation movie
Removal steps of battery pack
Turn off the computer, or enter hibernation mode. Then disconnect the AC adapter and all cables from the computer. Note: If you are using a PC Card, the computer may not be able to enter hibernation mode. If this happens, turn off the computer.
Close the computer display, and turn the computer over.
Unlock the battery latch (1). Holding the battery lock lever in the unlocked position (2), remove the battery pack in the direction shown by arrow (3) and (4).
Note: Large battery used in some models only has one battery latch.
When installing: Install the battery pack along the slide rails of the slot. Then make sure that the battery release lever is in the locked position.