Type: Battery Compatibility: Fits: HP Business Notebook Series NC4200 and NC4400, Tablet PC Series TC4200 and TC4400 Replaces: 305792-132, 381373-001, 383510-001, 395792-162, HSTNN-C02C, HSTNN-IB12, HSTNN-UB12, PB991A Battery Type: Lithium-Ion Battery Voltage: 10.8V Battery Capacity: 4400mAh Parts: 1 year limited Labor: 1 year limited