Here is a bendable solar panel that you can use to generate power for your off-grid activities. The Renogy Semi Flexible 100W Solar Panel provides 500 watt-hours of electricity per day. It can be put on all kinds curved surfaces.
This solar panel is IP67 rated. It comes with pre-drilled mounting holes. It can withstand 5400 Pa of snow and 2400 Pa of wind. More information is available here.