11.10V, Replacement for LENOVO IdeaPad 121000916, 121000917, 121000918, 57Y6440, L09N6D16 Laptop Battery Voltage: 11.10V ///Capacity: 4400mAh Battery Type: Li-ion///Color: Black Dimension: 204.80 x 51.50 x 20.00 mm///Weight: 363.90 g Product Type: Replacement Battery (Brand New) Condition: New, 1 year warranty!