Battery for HP Compaq 610 Business 6720S 6820S HSTNN-IB62 HSTNN-IB51 HSTNN-IB52
6720s 6720s/CT 6820s. Battery Type : Li-ion. 1.Li-Ion Laptop Battery 10.8V and 11.1V are in common use. 2.Li-Ion Laptop Battery 14.4V and 14.8V are in common use. This compatibility list is non-exhaustive.