Grade A Cells: 14.8V/2200mAh Cells 4-cell Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability.100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Compatible Part number: HS04 / HS03 / 807956-001 / 807957-001 / HSTNN-LB6U / HSTNN-LB6V/HSTNN-DB7I / TPN-I119/TPN-I120 807612-421 / 807612-831 / HS03031-CL / HS04041-CL / N2L85AA / 807611-131 / 807611-141 807611-221, 807611-241, 807611-251 Compatible Model:laptop Battery works with HP Notebook 14 14g 15 15g Series,HP Pavilion 14-ac0XX 14g-ad1XX HP Pavili on 15-ac0XX 15g-ad0XX Series HP 240 G4 HP 245 G4 HP 246 G4 HP 250 G4 HP 255 G4 HP 256 G4 Series All products are Certified for safety. Strict guidelines for compatibility, and standards compliance for environment safety.