30A MPPT Solar Controller and Solar Panel Kit, 12V 24V 50W Waterproof Solar P…
Monocrystalline Silicon Material: This 50W solar panel is made of high efficiency monocrystalline silicon cells with high conversion rate and high output efficiency. Solar Panel : 50W. High Quality Materials: The 12V 24V solar panel kit is made of premium Monocrystalline silicon materials which has good light, good sealing, and very strong ability to absorb strong light.