Home laptop battery HP HSTNN-OB31 batteries Compatible Laptop Battery for HP HSTNN OB31 Click to enlarge Find other parts of your HP HSTNN-OB31 HSTNN-OB31 laptop battery 5200mAh 10.8V 49.19AUD Code:1 Special price: $AUD Number: Brand new product with 1 year warranty! This HSTNN-OB31 batteries replaces: This HSTNN-OB31 batteries is compatible with the following models: