Wafer thin. lightweight. and can mold to a curved surface. These Semi-Flexible Solar Panels are made of the high efficiency monocrystalline solar cells and strong enough to be walked on. Semi-flexible panels are weather. water and corrosion resistant making them a perfect option for marine applications. RVs. camping and emergency back-up. these panels can continuously recharge your 12-Volt batteries with the power of the sun. Light enough to mount on a window with suction cups. and durable enough to mount permanently outdoors on a range of vehicles.