Monocrystalline 280W 18V Highly Flexible Solar Panel Tile Mono Panel Waterproof. Applied in charging 18V device as a power bank.Produce continuous stable output even in cloudy day. This panel is capable of meeting a wide range of applications where standard panels can be inconvenient to mount, such as on the curved roof of an airstream. Material-Panel: PET Laminated Sunpower Mono-crystalline Cells. If item is defective after 3 months, you can still send it back to us. This item is in the category "Home & Garden\Home Improvement\Electrical Supplies\Alternative Energy Supplies\Solar Power Supplies\Solar Panels & Kits". The seller is "ybeh9969" and is located in this country: US. This item can be shipped worldwide.