Product basic info Primary colours: Black Additional colours: Blue Depth unit: 70 mm Height unit: 120 mm Width unit: 130 mm Weight unit: 1043 g Technical data Battery capacity: 19000 mAh Power supply Number of batteries: 1 Battery voltage rating: 6 V Battery composition: Zincâ€"Chloride (ZnCl) Battery IEC size: 6V Lantern Big (4R25-2, 4LR25-2 ,918A, Big Lantern, Double Lantern, 918, R25-2, MN918, Energizer 521) (EN)