Home laptop battery hp HSTNN-OB20 batteries Compatible Laptop Battery for hp HSTNN OB20 Click to enlarge Find other parts of your hp HSTNN-OB20 Code:1 Special price: $AUD Number: Brand new product with 1 year warranty! This HSTNN-OB20 batteries replaces: This HSTNN-OB20 batteries is compatible with the following models: