Model‎HP 510 , 530..4 CELLSProduct Dimensions‎30.5 x 10.8 x 5 cm; 459 GramsBatteries‎1 Lithium Ion batteries required. (included)Part number‎HP5530L7Voltage‎14.4 VoltsPower Source‎Battery poweredHardware Platform‎WindowsBattery Description‎Lithium-ionAre Batteries Included‎YesLithium Battery Energy Content‎2200mAhRating ‎2200mAh/32whNumber of Lithium Ion Cells‎4Warranty‎06 MonthsBattery voltage:14.4V, battery capacity: 4000mAh and no of cell :6Compatible Models:HP Compaq 510 Notebook PC, Compaq 511 Notebook PC, Compaq 515, Compaq 516Fit for: 451545-261, 451545-361, 456623-001, 484785-001, 500014-001, HSTNN-DB51, HSTNN-OB51, KU530AAHigh grade cells to ensure maximum performance, quality and long lifetime, over current and voltage protection feature protect the charging device in your Laptop from getting high current and voltageBIS certified product ensures standardization and quality of productThick color box packing and anti-static packing of battery ensures safety of product