ALLPOWERS Portable Solar Panel sells on Amazon. I think the price is very good. Please read some of the reviews and see people thought of the product.**If you’re not sure whether to buy, add to cart, and you can come back to it later!**

• [400W Huge Power Solar Panel] With MC-4 Output ports, ALLPOWERS 400W solar panel provides 37.4V huge power for your solar generators, such as ALLPOWRS S1500/S2000/S2000 Pro and other large generators on the market. Effectively shorten charging time, make you enjoy the sunshine energy as soon as possible.
• [22% High Efficiency Solar Cells] ALLPOWERS 400W solar panel is equipped with advanced polycrystalline solar modules and can convert up to 22% of sunlight into usable electricity. High efficiency saves more space. And even a cloudy day, you can receive solar power.
• [IP67 Waterproof and ETFE Coating] ALLPOWERS 400W solar panel also withstands extreme weather like frozen or heat. Consists of multiple layers of flexible EVA and robust glass fibers for greater durability and mobility. It is also IP67 protecting from scratches, dust and water splashesIt.
• [Foldable & Portable] Folded size only 41.3*104*2.5inch,40.8lb. Portable solar panel 400W has 5 foldable panels，can be folded into a square when stored or transported. Great for RV travel, couse it’s easy to fixed on the top of RV.
• [What You Get] ALLPOWERS 400W Solar Panel, MC-4 to XT60 Cable, MC-4 to DC 5525 / DC 8020 Cable, User Guide, 24-month warranty and friendly 24*7 customer service.