Walimex 18886. Display technology: LCD, Display diagonal: 246.4 mm (9.7 "), Display resolution: 1024 x 768 pixels. Power source type: Battery, DC, Power consumption (typical): 18 W. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 6600 mAh, Battery voltage: 7.4 V. Width: 246 mm, Depth: 31 mm, Height: 224 mm