*Portable Solar battery charger
*With solar panel, can be charged under sunlight
*Fashion design, small and easy to carry
*Capacity: 4000mAh
Input:5V 500mA
Output:5V 800mA
solar cell: polycrystalline silicon 0.7W 5V 140mA
time for usb charging:5-7 hrs
Dimension:120*70*10mm
Net weight:100g