Bay Valley Parts Replacement Laptop Battery for Dell Studio 1450 1450n1457 1457n 1458 1458n 0N996P 0U597P 0U600P 312-4009 H830 N996P P03G P219P U597P W356P Battery type: Li-ion; Capacity: 58Wh; Cells:6-cell; Voltage: 11.1V;Capacity:5200mah. High quality grade "A" cells. Charges quickly. Longer discharge time. Steady output and low power consumption. More than 500 times charge-discharge cycles.All products are Certified by CE ROHS UL1642 FCC for safety. Operation time for standard batteries(6-cell 5200mah): Around 2 hours the actual operation time will depend on how much electricity is required by the device and how you use it. 24 x 7 email support 12-month service. Compatible Models: For Dell Studio 1450 Studio 1450n Studio 1457 Studio 1457n Studio 1458 Studio 1458n 0N996P 0U597P 0U600P 312-4009 H830 N996P P03G P219P U597P W356P replacement notebook laptop battery batteries 12-months hassle-free warranty service. Please check if this battery is compatible with your computer before purchasing. Part numbers of compatible batteries and Computers are listed as following.