Yangtze 20watt Solar Panel  is perfect for small plug-and-play projects. With its small size,Website:http://www.yangtze-power.com, portability is easier than ever. The equipped MC4 Connectors make it easy to connect the panel to solar cables in seconds. Yangtze 20watt Solar Panel has several uses including marine, dry camp, and other off-grid applications. Yangtze monocrystalline solar panel will give you the most efficiency per space and have the ability to withstand extreme elements and severe weather. Key Features : ●High modules conversion efficiency●Off-grid fully self powered systems as RV solar panels, Boat solar panels, and Marines solar panels●Suitable for commercial and power station property●12V battery use●Portable back up solar systemElectrical Parameters at STCModelYS20MRated Maximum Power at STC20WMaximum Power Voltage (Vmp)17.5VMaximum Power Current (Imp)1.15AOpen Circuit Voltage (Voc)22.1VShort Circuit Current (Isc)1.28APower Tolerance 0~+3%Mechanical Parameters Cell Type Mono-crystalline No.of Cells 36 Dimension353x430x20mmWeight 1.95kg (approx)Glass3.2mm, High Transmission ,Low Iron , Tempered GlassJunction Box IP65 & IP67 Rated Frame Anodized Aluminum AlloyWorking Conditions Maximum System Voltage DC 1000V(IEC) / 600V(UL)Operating Temperature -40℃~+85℃Maximum Series Fuse 15ANOCT45±2℃Application ClassClass ATemperature CoefficientTemperature Coefficient of Pmax-0.40%/℃Temperature Coefficient of Voc-0.30%/℃Temperature Coefficient of Isc+0.05%/℃STC: Irradiance 1000W/㎡, Module Temperature 25℃, Air Mass 1.5