Home laptop battery compaq Presario 2540 Series batteries Compatible Laptop Battery for compaq Presario 2540 Series Click to enlarge Find other parts of your compaq Presario 2540 Series Code:1 Special price: $AUD Number: Brand new product with 1 year warranty! This Presario 2540 Series batteries replaces: This Presario 2540 Series batteries is compatible with the following models: