Warranty: 12 months; Cells manufacturer: Green Cell; Voltage: 7.6 V; Number of cells: 4; Cells technology: Li-Polymer; Colour: Black; Overdischarge protection: Yes; Overcharge protection: Yes; Product code: LE118; Capacity: 3500 mAh; Work time: from 1.5 to 8h; Series: Polymer; Lenovo IdeaPad 310;Lenovo IdeaPad 510;