Monocrystalline 350W 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. The item "44.5'' 340W 18V Flexible Solar Panel Battery Charger Marine Boat RV Camping DHL" is in sale since Friday, February 26, 2021. This item is in the category "Home & Garden\Home Improvement\Electrical Supplies\Alternative Energy Supplies\Solar Power Supplies\Solar Panels & Kits". The seller is "beads_us" and is located in China. This item can be shipped worldwide.