ALLPOWERS 18V 12V 50W Bendable SunPower Solar Panel Water/Shock/Dust Resistant Power Solar Charger for RV, Boat, Cabin, Tent, Car, Trailer, Camping or Any Other Irregular Surface SunPower Solar Cell?The SunPower cell is made from US, up to 23.5% efficiency, while most monocrystalline panels in the the market is 17%-19%, you will get greater power efficiency even though the panel is no larger than a traditional model Supior Durability: The water resistant semi-flexible solar SunPower panel is far more durable than traditional glass and aluminum models; flexible material is ideal for storage in tight spaces or crowded areas Bendable Panel: The plastic back sheet can be curved to a maximum 30 degree arc and mounted on an RV, boat, cabin, tent, car, trucks, trailers or any other irregular surface Powerful and Lightweight: This solar panel packs 50W of power, but it only weighs a mere 2.4lbs(1.1kg), making it easier to transport, hang and remove; Unique frameless design and four metal reinforced mounting holes for easy installation What you get: 50W bendable SunPower solar panel, instruction manual, 18-month guarantee and friendly customer service