The 30w 12v semi flexible solar panel incorporates advanced monocrystalline silicon cells that achieve exceptional energy conversion efficiency rates of up to 22 percent, ensuring maximum power generation even in challenging lighting conditions. High efficiency and performance 30W photovoltaic solar panel. Specially designed for efficient, stable and consistent charging of 12, 24 and 48V batteries in stand-alone (off-grid / off-shore) and backup systems. This innovative photovoltaic solution combines the power generation capabilities of traditional. ● A+ grade monocrystalline cells, low-iron tempered glass, corrosion-resistant aluminum frame, 25-year lifespan. ● 30° tilt design maximizes sunlight absorption for higher power generation. ● Waterproof, rustproof, withstands 2400Pa wind and 5400Pa snow loads. Even in cloudy days polycrystalic modul provides high usage of energy.