Home laptop battery ibm ThinkPad A20 Series batteries Compatible Laptop Battery for ibm ThinkPad A20 Series Click to enlarge Find other parts of your ibm ThinkPad A20 Series Code:1 Special price: $AUD Number: Brand new product with 1 year warranty! This ThinkPad A20 Series batteries replaces: This ThinkPad A20 Series batteries is compatible with the following models: