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High Energy Conversion: The advanced solar cells with multi-layer tech deliver up to 25% more efficiency than standard panels.. More Reliable: Certified Quality, Extended Warranty. More Energy: Bifacial Energy Generation, Front Pure Black Design with Zero Shading, Delivers Higher Power. Lighter: Lightweight, Portable and Easy to Use. Built to Last: IP68 Waterproof Rating allows it to withstand harsh and wet weather.. Note: From 7th November 2024, 200W solar panels, including those with Solar Generators, will no longer include a protective cover bag.