21W Portable Solar Panel for Power Station, 20.8V Foldable Solar Charger with DC5521 Cable & USB/Type-C port Outputs, 23% High Efficiency IP67 Waterproof
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【Premium Material, 23% Impressive Conversion Efficiency】 Our 21W foldable solar charger is engineered with premium A+ monocrystalline silicon solar cells, delivering an impressive 23% solar conversion efficiency. This portable solar panel is designed to harness maximum sunlight energy, ensuring stable power generation even under scorching sun. With a built-in smart chip, it auto-tunes to light intensity within milliseconds, providing an optimal output of up to 18W even in low-light or cloudy conditions (Note: 21W is peak panel output, actual device charging max is 18W).
【Versatile Output and Wide Compatibility】 Our 21W foldable solar panel comes with an integrated solar controller equipped with multi-port outputs to meet diverse charging needs. It features 1×USB-A (5-12V/2A, Max 18W) and 1×Type-C (Max 18W) for directly charging phones, tablets, drones, and wearables, as well as a DC5521 port (13.9V output) for seamless connection to most outdoor power stations. The compact foldable design includes corner holes, allowing you to easily clip it onto a backpack for "charge on the go" during hikes, ensuring you stay powered through every mile.
【IP67 Hardcore Waterproof & Durable ETFE Coating】 Our 21W camping solar panel utilizes a durable ETFE coating material that is waterproof, oil-resistant, easy to clean, and ensures long-lasting light transmission. With an IP67 hardcore dustproof and waterproof rating, it can confidently withstand sand, mud, and rain in extreme outdoor conditions, operating flawlessly in temperatures ranging from -20°C to +75°C. Please Note: While the panel surface is IP67 rated, the controller box is not fully waterproof. To prolong the lifespan of your solar panel, please avoid soaking the control box in water.
【Smart Charging Technology & Ultra-Lightweight Design】 The output of the USB-A and Type-C ports is intelligently regulated by a built-in Smart Voltage Chip, automatically matching the optimal charging efficiency for your devices while providing robust protection against overvoltage, overcurrent, short circuits, and overtemperature. Weighing just 0.65kg (approximately the same as a standard water bottle) and folding down to the size of a tablet (215×220×18mm), this ultra-portable solar charger redefines convenience—allowing you to carry high-power charging potential without adding bulk to your pack.
【Please Note】 Some portable power stations have a maximum input power limit. Even when using our 21W solar panel in optimal sunlight conditions, the power they can receive may not exceed their input ceiling, which could be lower than the 21W rated power. Additionally, the DC output of this panel is rated at 13.9V. Please carefully verify your power station's DC input specifications and maximum input power limit before placing your order to ensure compatibility. Do not bend, press forcefully, step on, or drop the product.
