12W Portable Solar Chargers 5V USB Small Power Emergency PET Panels Foldable IP67 Waterproof Camping Hiking Backpacking for Phones Fans Flashlight Watches Small Power Banks Battery Packs

SKU: GW31.0039

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No, to make the solar panel more affordable, it doesn't include a cable. You can use your USB or USB-C cord to connect the solar pnale to charge. 
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Yes, the durable and self-cleaning material provides lasting durability to protect against unpredictable weather conditions, and can easily withstand high temperatures, and are water-resistant, dust-proof and feature an IP67 rated junction box. 
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No. This solar panel has intelligent charging, automatically detecting the needs of your device, and delivering exactly what it needs. If your phone accepts 1A, the charger will deliver 1A to your phone. 
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Please use a dampened soft cloth to wipe the surface of the solar module, and remove all dust or other adhesives as soon as possible to avoid performance degradation. 
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No, there is no built-in battery in this solar panel. But it supports all the power banks charging, so that you can store power for using.