SMAVCO Replacement 274779-001, 307132-001 Battery for HP Smart Array 6402 controller, Smart Array 6404 controller Capacity: 500mAh/1.8Wh Dimension: 77.80 x 38.25 x 12.07mm Compatible Part nos: 274779-001, 307132-001 Compatible Models: HP Smart Array 6402 controller, Smart Array 6404 controller