... Product Features):*High and stable efficiency solar panels*Charge your battery with solar power,even if cloudy day*Maintenance ... etc.*High and reliable quality*Attractive and competitive price*Reliable and stable manufacturers2).Foldable Solar Panel Parameter : * Cells size:156* ... voltage:600V DC * Net weight:123)Application:Folding solar panel convenient for powing light,radios,small pumps,fans, ...