Home laptop battery compaq Presario B2800 Series batteries Compatible Laptop Battery for compaq Presario B2800 Series Click to enlarge Find other parts of your compaq Presario B2800 Series Code:1 Special price: $AUD Number: Brand new product with 1 year warranty! This Presario B2800 Series batteries replaces: This Presario B2800 Series batteries is compatible with the following models: