-High Conversion Efficiency - 300W solar panel with high-quality panel, power conversion efficiency up to 23%. Good light transmission, the more sunlight you get, the higher charging efficiency. -Plug and play: The holes reserved for the solar panel kit allow for quick installation and fixing, the solar panels can be installed on uneven surfaces, very easy to install, transport and hang. -Waterproof Design: The solar cells of the solar panel have a waterproof design, prevent short circuit or rain damage, can withstand different environments, and are suitable for outdoor and indoor use. -Wide Application: The solar cell of the solar panel is suitable for outdoor and indoor use, very suitable for caravans, boats, batteries, houses, caravans, gardens, outdoor. It can generate energy ...