HP
798507-501
is compatible in the following HP Models:
HP ProBook 440 Notebook PC series
HP PROBOOK 440 G2 BASE MODEL NOTEBOOK PC - K3W84AV
HP PROBOOK 440 G2 NOTEBOOK PC (ENERGY STAR) - N2N18PA
HP PROBOOK 440 G2 NOTEBOOK PC (ENERGY STAR) - N2N19PA