Home laptop battery SONY VGN-B90PSY4 batteries Compatible Laptop Battery for SONY VGN B90PSY4 Click to enlarge Find other parts of your SONY VGN-B90PSY4 Code:1 Special price: $AUD Number: Brand new product with 1 year warranty! This VGN-B90PSY4 batteries replaces: This VGN-B90PSY4 batteries is compatible with the following models: