Introduction
This guide shows how to disconnect the battery on a Lenovo ThinkPad X270 laptop.
Tools
- 
                  
                  
- 
            
Insert a straightened paper clip into the micro SIM card tray hole on the right edge of the laptop.
 - 
            
Press the paper clip firmly into the hole to eject the tray.
 - 
            
Remove the tray.
 
 - 
            
 - 
                  
                  
- 
            
Lay your laptop upside down to access the external battery.
 - 
            
Two sliding tabs secure the battery.
 
 - 
            
 - 
                  
                  
- 
            
Slide the left tab, labeled 1, to the unlocked position—it'll click into place and release the left side of the battery.
 
 - 
            
 - 
                  
                  
- 
            
Hold the right tab, labeled 2, in the unlocked position and slide the battery out of its recess.
 
 - 
            
 - 
                  
                  
- 
            
Insert the flat side of an opening pick between the bottom right edge of the back cover and frame.
 - 
            
Pry up the back cover to release the bottom right clips.
 - 
            
Leave the pick inserted in the bottom right corner.
 
 - 
            
 - 
                  
                  
- 
            
Insert your pick in the bottom left corner and slide the pick to the first USB port to release the left clips.
 
 - 
            
 - 
                  
                  
- 
            
Insert an opening tool between the top left corner of the back cover and frame.
 - 
            
Pry the back cover up to release the clips securing its top left corner.
 - 
            
Repeat the process on the top right corner.
 
 - 
            
 - 
                  
                  
- 
            
Five clips secure the top edge of the back cover.
 - 
            
Insert an opening tool in the gap between the back cover and frame, next to one of the clips.
 - 
            
Push the opening tool into the gap until the clip releases.
 
 - 
            
 - 
                  
                  
- 
            
Push the opening tool between the back cover and frame at different points along the top edge to release the remaining clips.
 
 - 
            
 - 
                  
                  
- 
            
Push on alternating sides of the internal battery connector with a spudger to "walk" it out of its socket.
 
 - 
            
 
To reassemble your device, follow these instructions in reverse order.