HP
L21622-001
is compatible in the following HP Models:
HP EliteBook 840r Notebook PC series
HP ELITEBOOK 840R G4 BASE MODEL NOTEBOOK PC - 2LG10AV
HP ELITEBOOK 840R G4 NOTEBOOK PC - 3YW42LT
HP ELITEBOOK 840R G4 NOTEBOOK PC - 5XZ44US
HP ELITEBOOK 840R G4 NOTEBOOK PC - 6RD04US
HP ELITEBOOK 840R G4 NOTEBOOK PC - 7FU59UP
HP ELITEBOOK 840R G4 NOTEBOOK PC - 7JC19UP