Laptop/Notebook Battery for Acer Aspire 5220g 5720Z 5220 5320 5710 7320 7520z 8920g Laptop/Notebook Battery for Acer Aspire 5220g 5720Z 5220 5320 5710 7320 7520z... Battery Type : Lithium-Ion - Capacity : 48840 mW-h - Voltage: 11.1V This Product has 12 Months Replacement Warranty 100% OEM compatible Package Includes : 1 pcs laptop battery