7559mp4 90%

: The 74 Whr battery can be swapped by removing the bottom cover and a few internal screws. Essential Technical Resources

The Dell 7559 is known for being "user-friendly" because its internal components are easily accessible via a single screw on the back panel. Common Maintenance & Upgrades 7559mp4

: You can add an M.2 SSD alongside the existing 1TB HDD to significantly speed up boot times. : The 74 Whr battery can be swapped