High Performance Lithium Ion Main Battery Pack for Hewlett-Packard ProBook 4310s OEM Part # equivalent: 530974-251, 530974-261, 530974-321, 530974-361, 579319-001, HH04, HH04037, HSTNN-DB91, HSTNN-DB92, HSTNN-I69C-3, HSTNN-OB91, HSTNN-OB92, HSTNN-XB91, HSTNN-XB92, NBP4A165B1 |