280W Portable Solar Panel, HPBC IP65 Waterproof for RV Outdoor Off-Gird

25.8% High-Efficiency HPBC Cells: TWELSEAVAN 280W solar panel is built using premium HPBC cells, which offer superior longevity and higher efficiency compared with standard Silicon-based cells on the market. It boasts a conversion rate of up to 25.8% and a maximum output of 280W in ample sunlight. Its exceptionally low-light performance ensures stable power output even during early mornings or on cloudy days.
Durable Material Build: 280W solar panel features a durable ETFE coating with 95% light transmittance and an IP68 waterproof rating. An added layer of fiberglass enhances durability and tear resistance while effectively preventing localized hot spots. Thanks to these high-quality materials, the panel withstands sudden rain, splashes, and windblown sand, making it ideal for off-grid outdoor use and campsites. Note: The junction box is not waterproof; please keep it dry.
Portable and Easy to Set Up: Despite its upgraded materials and efficiency, the 280W solar panel weighs only 14 lbs. It features a portable design with a magnetic handle and folds down to briefcase size. Equipped with four adjustable kickstands, it can be placed securely on various surfaces, allowing for rapid deployment in under 10 seconds. A built-in solar angle indicator helps you easily find the optimal tilt for maximum sunlight absorption—perfect for camping and RV enthusiasts.