Yangtze Polycrystalline 24v solar panel is one of the most popular solar product in the market which have the key features as following  : ●10 years product warranty ,Website:http://www.yangtze-power.com,25 years linear power output warranty ●IEC 61215 ,IEC 61730 ,UL1703,CE Listed ●High efficiency and reliable crystalline silicon solar cells ●Positive power tolerance 0~+3%●100% EL double inspection ensures modules are defects freeThe poly 24v solar panel is made of 72 pieces of 6inch poly solar cells . The 24volt solar panel can be used as following : ●RV and Caravan Applications ●Commercial and utility grid power station ●Off grid solar power system ●Telecom power station ●24V,48V ,96V  battery charging systemElectrical Parameters at STCModelYS300P-72YS310P-72YS320P-72Rated Maximum Power at STC300W310W320WMaximum Power Voltage (Vmp)36.3V36.7V37.2VMaximum Power Current (Imp)8.29A8.45A8.61AOpen Circuit Voltage (Voc)45.3V45.9V46.4VShort Circuit Current (Isc)8.84A8.96A9.05AModule Efficiency15.54%16.06%16.58%Power Tolerance 0~+3%Cell Type Poly-crystalline 156x156mm (6inch)No.of Cells 72 (6x12)Dimension1956x990x40/45/50mmWeight 26.5kg (approx)Glass3.2mm, High Transmission ,Low Iron , Tempered GlassJunction Box IP65 & IP67 Rated Output Cable Section Size: 4mm² , Length: 900mmFrame Anodized Aluminum AlloyNo. of Bypass Diodes 3 & 6Connector MC4 CompatibleMaximum System Voltage DC 1000V(IEC) / 600V(UL)Operating Temperature -40℃~+85℃Maximum Series Fuse 15ANOCT45±2℃Application ClassClass ATemperature Coefficient of Pmax-0.41%/℃Temperature Coefficient of Voc-0.31%/℃Temperature Coefficient of Isc+0.06%/℃STC: Irradiance 1000W/㎡, Module Temperature 25℃, Air Mass 1.5