FeaturesWith over 8,800mAh solar-cell capacity, this solar charger bag will make certain your customers' never run out of power. and keep his laptop computer power On all the time. It also interfaces with AC outlet power, and features an adapter for a range of laptop and mobile phone connector ports.SpecificationBuilt-in 3.7V 8,800mAh Li-ion battery pack (32.5W)8 types of Laptop charging adapter included7 types of mobile adapter charging adapter included (for Nokia, Samsung, Motorola, Siemens, Sony Ericsson, and more)Solar panel: 18V, 250mA, 4.5WInput voltage: DC 18V, 750mAOutput voltage: DC 3V, 6V, 9V, 12V 20VOutput current: 3000mA (maximum)USB output: DC 5V, 1500mA (maximum)Charging sources: solar power charge and AC power charge100V 240V AC charging adapter (EU plug) included (US, UK, AU plugs optional)Safety protections: over charge and over discharge circuit protection, short circuit protection, over heat protectionCharging time: about 8 hoursBattery life: after 800 times charge/discharge, capacity ? 80%Dimension: 308cmNet weight: 0.97kg Condition: New