21W Solar Panel Charger Foldable Portable 5V / 2.1 A Monocrystalline

Portable Folding Solar Panels can be classified into three types based on the material used to make their cells, including monocrystalline, polycrystalline, and thin-film, whether you use them as camping, fishing solar panels or as everyday boat on-the-go device chargers. Using Only Monocrystalline Solar Panels. Constructed with silicon wafers cut from a single silicon crystal, monocrystalline solar panels rank best in both energy production and efficiency. The purity of the solar cell increases the ability of the solar panel to absorb energy from the s un, allowing the monocrystalline solar panels to output a high amount of electrical energy. Technical Specs: Maximum power of solar panel: 21W Material: monocrystalline silicon Conversion efficiency:24% 2 USB output: 5V 2.1A Max Waterproof Expanded size: 600*240*2.5mm / 23*10*0.5 inch Folding size: 240*150*30mm / 9.5*6*1 inch Package Weight: 0.7KG /24 oz Number of Panels: 4 FAST SHIPMENT - ONLY IN USA Positive feedback is very important to all members of the Pricetronic community and I'm is no exception. I need your Positive feedback and Five stars. I'm  committed to your satisfaction after you purchase. If you are not satisfied with your purchase in any way please give me an opportunity to try and make it right before leaving feedback.

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