450W MPPT Solar Boost Charger 12V 50V Input 18V 300W/36V 450W Rated Power
Rated power: 18V/300W, 36V 450W. Solar panels will gain the highest power when exposed to strong sunlight. Also make for sure nothing is covering the solar panels. Rated power: 18V-300W/36V-450W. for Protection level: IP30.