10W Portable Silicon Solar Panel Charger USB Port for Cell Phone

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Features: HIGHLY EFFICIENT: Compared with ordinary monocrystalline silicon solar panel, it provides 22-23% ultra high photoelectric conversion rate. PAGE SIZE: Combining 10W high power with mini size, can be easily put into notebook as a page to carry. NO BATTERY INSIDE: Without build-in battery,no troubles caused by heat or strong sunshine. FROSTED SURFACE: Frosted panel avoids scratches on surface, making the panel more durable. ENERGY SAVING: Taking advantage of sunshine, no capacity limitation that power bank has, an energy saving solution for outdoor charging. PORTABLE: Can be put in bag or hanged up, free to charge via USB interface.