Laptop Replacement Battery for 312-0428, 0UD260, KD476, GD761, - Fits Dell Inspiron 6400 - Li-ion, 11.1V, 7200mAh, 80wHr, 9 Cells Fits Model: Inspiron 6400 Replace: 312-0427, 312-0428, 312-0460, 312-0461, 312-0466, 312-0467, 312-0599, 312-0600 many more Dimension: 8.29 x 3.19 x 0.79 inches, Weight: 1.00 lb Voltage: 11.1V