Home laptop battery Asus A31-U20 batteries Compatible Laptop Battery for Asus A31 U20 Click to enlarge Find other parts of your Asus A31-U20 A31-U20 laptop battery 5200mAh 11.1V 43.39AUD Code:1 Special price: $AUD Number: Brand new product with 1 year warranty! This A31-U20 batteries replaces: This A31-U20 batteries is compatible with the following models: