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Measuring 0.78 by 13.4 by 9.4 inches (HWD), the Satellite R945-P440 is roughly the same size as the Fujitsu Lifebook LH532 , and is small enough to carry on a regular commute, but heavy enough (4.4 pounds) that you not want to, especially with lightweight ultrabooks with battery like Dell RN873 Battery , Dell T6840 Battery , Dell TC030 Battery , Dell TD175 Battery , Dell TD344 Battery , Dell TD347 Battery , Dell TD349 Battery , Dell U1544 Battery , Dell U4873 Battery , Dell U6256 Battery , Dell UD260 Battery , Dell UD264 Battery on the market for a similar price.