21W 40W Foldable Solar Panel Dual USB +DC Solar Cell Portable Folding Waterproof Solar Charger Outdoor Mobile Power Bank

Features Adopting high efficiency monocrystalline silicon solar cells the photoelectric conversion rate is high Foldable design easy to carry Fast charging time When the light intensity is sufficient the working current can reach 1 3A and the charging is efficient and fast Strong in weak light it can also supply power in weather with low light intensity Half moon hanging hole you can easily choose to hang it on the surface of objects such as tents and backpacks Strong compatibility compatible with most digital products on the market For example mobile phones cameras tablets computers etc No built in lithium battery can be taken on the plane Directly charge in the sun no built in lithium battery no need to worry about various problems caused by high temperature exposure photovoltaic power generation safe environmentally friendly and energy saving Specification Name Flexible Solar Folding PanelMaterial Monocrystalline silicon ETFEPower 21W 40WOutput voltage 5V 9V 12V3Fold Unfolded size 560 185mm Folded size 185 80mm4Fold Unfolded size 750 185mm Folded size 190 185mmColour Black yellowPacking included 1 x Flexible Solar Folding Panel