New 2 Piece 6V,320mA Portable Travelling Solar Charger for Cell Phone w/ USB charging cable,GPS,DC,MP3/4 2x Solar panel output: 6V, 320mA Working temperature: -20-80 Working life of solar panel: Above 10 years,full 12 months warranty Charging time for handset: 3-4 hours Dimension of 1 piece solar panel: 280*130*5mm,Weight of 1 piece solar panel: 130g