Specifications:Model Name: HS04 Rechargeable Battery (Compatible with HS03 Notebook battery ) ; Voltage: 14.8V; Capacity: 2600mAh; Cells: 4 cells; Color: Black; Condition: New; The package also includes 1pc HS04 battery and 1pc instruction manual Compatible Part Number: 807956-001 807957-001 HS03 HS03031-CL HS04 HS04041 HS04041-CL HSTNN-DB7I HSTNN-LB6U HSTNN-LB6V HSTNN-PB6S HSTNN-PB6T HSTNN-PB6V Compatible Laptop Models: 807956-001 Battery Compatible with HP Model 15-AC158NR 15-ACO21DX 15-AC143DX 15-AC157CL 15-AF131DX 15-AY083NR 15-AY020NR 15-AY067NR 15-AY012CY 15-AY103DX 15-AY013DX 15-AY196NR 15-AY122CL 15-AY011NR 15-AY005LA 15-AY085NR 15-AY145NR 15-AY021DS 15-AY061NR 15-AY009DX 15-AY052NR 15-AY196NR 15-AY008LA 15-AY018NR 15-AY087CL 15-AY014DX 17-X087NR ;for HP Pavilion 14-ac0XX 14g-ad1XX HP Pavili on 15-ac0XX 15g-ad0XX Series 807956-001 807957-001 Replacement HS03 HS04 Laptop Battery Compatible with HP 240 G4 Series, HP 245 246 G4 Series, HP 250 255 256 G4 Series, HP Notebook