Can charge various battery packs of Mobile phones, Camera, DV, GPS etc. directly without any connector. You also can charge more devices with cable and connectors. Much powerful: can fully charge 1 2 mobile phones or battery packs (i.e. 3.7v/1000mah for example). Unique LCD screen for charging & discharging. High performance Mono-crystalline solar panel. Feature & Functions: 1,Solar Panel (mono or multi-crystalline): 5.5V 100mA 2,USB charging cable: 5V 500mA 3.Li-ion rechargeable Battery: 3.7V 1500mAh 4.DC Output volt/current: 5V +-5% 500mA 5,Smart protection chip:over-charging protection, over-discharge protection, overload protection, short circuit protection and low battery warning. 6,Super long lifespan: more than 500cycles of charge&discharge circle.7,You can choose right connectors freely for your devices. Main parameters: Charging time by AC-DC adapter(5.5V 500mA)3 to 4HrsCharging time by PC USB port(5V 500mA)4HrsCharging time under sunlight(1000W/m2)15HrsMax.current by solar(1000W/m2)100mAMax.load current500mA Running time for a fully charged product:Mobile phone standby time90Hrsmobile phone talking time4.5HrsPSP/DS lite6HrsPDA45HrsNavigation3 to 4.5HrsCamera:900imgs Special characters for this item: charging every type li-ion battery packexclude info-lithium battery pack like sonywith handle for hang it to the backbag Accessories:USB input charging/Output cable1pcMobile phone connectors4pcs