Laptop Battery for HP Presario CQ321 Series 1.High ... OEM/ODM Laptop Battery for HP Presario CQ321 SeriesProduct detail informationBattery type: Li-ionItem No.: for HPCQ321-9Voltage: 10.8vCapacity: 6600mahColor: ... ,4425sP,4520,4520s,4525S,4720s SeriesCompatible part number :For HPHSTNN-CB1A,HSTNN-IB1A,HSTNN-LB1A, HSTNN-UB1A ... , please visit www.kiddpower.com Laptop Battery for HP Presario CQ321 Series