Smart Power 10.80V (Compatible with 11.10V),4000mAh,Ni-MH, Replacement Laptop Battery for COMPAQ Armada 1120 1125 1130 1135 DR31, Battery Type: Ni-MH ////////Voltage: 10.80V (Compatible with 11.10V) Capacity: 4000mAh//////// Color: Black Dimension: 209.00 x 52.30 x 18.40 mm/////Weight: 643.55 g Product Type: Replacement Battery (Brand New)////// Condition: New, 1 year warranty! Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.