Solio features a fan-blade design that allows it to achieve maximum solar area when in use. Just spread out the blades, expose them to direct sunlight either out of doors or affixed to a window, and get ready to take your power on the road. • Rated Output: 4 -12V, 0 - 1 Amp (max) • Solar panel output: 155mA @ 6V • Weight: 156 grams (5.6 ounces) • Internal Battery: Rechargeable 3.6 volts, 1600mAh lithium-ion • Wall charger: 6v/420 mAh Global with US/UK/EU/AU/NZ adapters • Dimensions (LxHxW): 4.7 x 1.3 x 2.5 in./11.94 x 3.30 x 6.35 cm • Temperature Range: -20°C to 55°