[header] How to take the battery out of a samsung galaxy tablet [title] Turn off the galaxy tab. [step] Do this by long pressing the power button present on the side (top side). [title] Remove the two screw covers near the charging port. 
[step] Use the flat end of a metal spudger to remove the screw covers on either side of the charging port at the bottom side of the galaxy tab. [substeps] You will see two 4.1 mm tri-wing screws upon removing the screw covers.