This solar panel produces power when it is exposed to sunlight.Plug directly into your phone to charge or use it to recharge usb devices, such as Power Bank or Guide 10 Plus – Recharger.Super-lightweight, foldable 10-watt USB solar panel.The foldaway stand of the Nomad 10 makes it easy to set it up, hang or lay it down in the best possible way. The stand is adjustable at 15° increments. The solar panel is made from monocrystalline solar cells. These allow the Nomad 10 solar panel to generate 20 to 30 Wh per day depending on weather conditions.Charging times with the Nomad 10 Solar Panel -•tMobile Phone – Appox – 2 – 3 hours•tVenture 35 Power bank – 5 – 6 hours•tVenture 75 Power bank- 11 – 20 hoursSpecification:•tWeight: 1.12 lbs (0.51 kg)•tDimensions (unfolded): 9.5 x 14.5 x 0.75 in (24.1 x 36.8 x 1.9 cm)•tDimensions (folded): 9.5 x 7.2 x 1.25 in (24.1 x 18.4 x 3.2 cm)•tUPC: 847974007648Solar:•tRated Power: 10W•tOpen Circuit Voltage (Voc): 6-7V•tCell Type: Monocrystalline