Home laptop battery COMPAQ Presario 2140CA-DF840A batteries Compatible Laptop Battery for COMPAQ Presario 2140CA DF840A Click to enlarge Find other parts of your COMPAQ Presario 2140CA-DF840A Code:1 Special price: $AUD Number: Brand new product with 1 year warranty! This Presario 2140CA-DF840A batteries replaces: This Presario 2140CA-DF840A batteries is compatible with the following models: