Description Compatible Machine Models: HP ZBook 15 Mobile Workstation Series HP ZBook 15 Series HP ZBook 15 G1 Series HP ZBook 15 G2 Series HP ZBook 17 Mobile Workstation Series HP ZBook 17 Series HP ZBook 17 G1 Series HP ZBook 17 G2 Series Compatible Part Numbers: 707614-121 707614-141 707615-141 708456-001 708455-001 AR08XL AR08 HSTNN-IB4H HSTNN-IB4I Note: Please check if this battery is compatible with your computer before purchasing. If you are not sure for that, please contact us!