Home laptop battery ASUS 90-N40BT1220 batteries Compatible Laptop Battery for ASUS 90 N40BT1220 Click to enlarge Find other parts of your ASUS 90-N40BT1220 Code:1 Special price: $AUD Number: Brand new product with 1 year warranty! This 90-N40BT1220 batteries replaces: This 90-N40BT1220 batteries is compatible with the following models: