Product descrition: Factorycode: HP 510 ReplaceP/N: 440264-ABC, 440265-ABC, 440266-ABC, 440268-ABC, 440704001, 441674-001, 443063-001, HSTNN-FB40, HSTNN-IB45, RW557AA Fit model: HP COMPAQ 510, 530 Laptop Battery Votage: 14.4V Capacity: 2200/4400mAh Dimention: 269.88 x 41.98 x 23.88 mm Clour: Black Weight: 285g/420g Type: Li-ion