10.80V (Compatible with 11.10V),4000mAh,Ni-MH,Hi-quality Replacement Laptop Battery for COMPAQ Armada 1100, Contura 400, Contura 4/25, Contura C/CX Series, COMPAQ Contura Aero 4/25, Contura Aero 4/33C Series, HITACHI 350, Flora 1010 MA, Flora 1010 NE, MN1, M, P90, Trigem Subnotebook Series, Compatible Part Numbers: 190529-001, 190540-001, 190626-001, 273672-001, DR31 Capacity: 4000mAh | Color: Black Dimension: 209.00 x 52.30 x 18.40 mm Rate: 43.00 Wh | Cells Brand: FDK | Weight: 567.30 g Battery Type: Ni-MH | Voltage: 10.80V (Compatible with 11.10V) Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above) of your device.