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Ultra-lightweight: Weighing just 2.6 lbs, it is incredibly portable, making it perfect for on-the-go use.. Compact Design: Its four-fold design makes it easy to pack and carry, while still being lighter than a laptop.. Direct Device Charging: With direct charging capabilities, you can power up your devices quickly and efficiently.. Efficient Solar Conversion: Featuring a 23% solar conversion rate, ensures you get the most power possible from the sun.. Extreme Durability: With an IP68 waterproof rating and verified through 8 IEC tests, this solar panel is built to withstand extreme temperatures and conditions.. Warranty Extension: 3-year warranty + 2-year extended warranty （applied automatically if purchased from the official website）