Exxact Parts Solutions&reg;DELL 6-cells&nbsp;11.1V&nbsp;5200mAh&nbsp;New&nbsp;Replacement&nbsp;Laptop Battery for&nbsp;DELL Vostro V131 Inspiron N311z Inspiron N411z Latitude 3330 Compatible with part number 312-1257 312-1258 H2XW1 Battery type: Li-ion Replacement battery; Capacity: 5200mAh Function as a 4000-5200mAh battery, last longer than a 4000-5200mAh battery); Voltage:11.1V(compatible with 10.8V battery); Cell:6 cell; Color: Black . Dimension:269*48.4*31.3mm ; Weight:318g 100% New, 100% OEM Compatible; CE FCC ROHS Certified for safety. Up to 500 recharge cycles over the life of the battery. Warranty: 14 days money return guarantee,12 month warranty. If you have any questions, please feel free to contact us. We are ready to serve you. Grade A cells ensure fast charges and low power consumption, Built-in circuit protection ensures both safety and stability. Replacement for: 268X5 312-1257 312-1258 H2XW1 JD41Y N2DN5