Home laptop battery sony VAIO VGN-P31ZK/Q batteries Compatible Laptop Battery for sony VAIO VGN P31ZK/Q Click to enlarge Find other parts of your sony VAIO VGN-P31ZK/Q Code:1 Special price: $AUD Number: Brand new product with 1 year warranty! This VAIO VGN-P31ZK/Q batteries replaces: This VAIO VGN-P31ZK/Q batteries is compatible with the following models: