Specifications:Battery Type: Li-ionBattery Volt: 11.1VNo. of Cell: 6Battery Capacity: 58WHBattery Color: BlackCompatible Part Number:STNN-CBOX, HSTNN-Q60C, HSTNN-Q61C, HSTNN-Q62C, HSTNN-178C, HSTNN-179C, HSTNN-181C, MU06, MU09, WD548AA, WD549AA, HSTNN-CBOW, HSTNN-IB0N,HSTNN-IB0X, HSTNN-IB1E, HSTNN-OB0X, HSTNN-OB0Y, HSTNN-YB0X, NBP6A174, NBP6A174B1, NBP6A175, NBP6A175B1, 586028-341, 586006-321, 586006-361593553-001, 588178-141, MU04, MU06Compatible Models:COMPAQCompaq 435 Notebook PC,Compaq 436 Notebook PC,Compaq CQ430,Compaq CQ630, Compaq Presario CQ32, Compaq Presario CQ42,Compaq Presario CQ43,Compaq Presario CQ56,Compaq Presario CQ56z-200 CTO,Compaq Presario CQ57,Compaq Presario CQ62,Compaq Presario CQ62z-200CTO,Compaq Presario CQ62z-300 CTO, Compaq Presario CQ630, Compaq Presario CQ72