... solar panels 190 w Size: 1580 x808x35mm Net weight: 14.5 KG Working voltage: 36.73 V Working Solar power system consists of solar battery, solar ... effect of each part for:(a) solar panels: solar panels is solar power system, the core part, and solar power system part of the highest value ... %, the second day, the weather was beautiful words, solar panels and can send make up 20%, battery was full again, ...