Easy & Fine New Laptop Battery for Samsung R420 R430 R468 R470 R480 Rv510 Rv511 Rc512 R519 R520 R530 R540 R580 R730 Q320 Q430 [Li-ion 6-cell 4400mah/11.1v] Samsung New Battery in high grade quality and 1 Year Full Warranty, 30 days money return guarantee ! Voltage: 11.1V Capacity: 5200mAh; Color: Black; Built-in circuit protection ensures both safety and stability; New Replacement Products, Works as Genuine Parts; Easy&Fine&reg;is a registered U.S. Trademark under Serial number 86024160