Capacity(mAh):4400 (Optional:4800,5200 ) Votage(V): 14.8 Original Part Number:381374-001 398876-001 HSTNN-DB06 HSTNN-DB11 HSTNN-I04C HSTNN-LB11 HSTNN-OB06 HSTNN-UB11 PB992A Fit Laptop Models:Business Notebook 6720t Business Notebook 7400 Series Business Notebook 8200 Series Business Notebook 8400 Series Business Notebook 8500 Series Business Notebook 8510p Business Notebook 8510w Business Notebook 8510w Mobile Workstation Business Notebook 8700 Series Business Notebook 8710p Business NoteBook 8710w Business Notebook 8710w Mobile Workstation Business Notebook 9400 Series Business Notebook nc8200 Business Notebook nc8230 Business Notebook nc8430 Business Notebook nw8200 Business Notebook nw8240 Business Notebook nw8240 Mobile Workstation Business Notebook nw8440 Business Notebook nw8440 Mobile Workstation Business Notebook nw9440 Business Notebook nw9440 Mobile Workstation Business Notebook nx7300 Business Notebook nx7400 Business Notebook nx8200 Business Notebook nx8220 Business Notebook nx8420 Business Notebook nx9420 EliteBook 8530W EliteBook 8730W