12 Watt Solar Panel plus HQRPâ„¢ Coaster; High-efficient 12W Solar Panel (size of 10W); Maximum Power Voltage:17.2V;Open Circuit Voltage:21.6V; Maximum Power Current: 0.7A; Short Circuit Current: 0.8A; Dimensions: 396x289x23 mm; High-efficient solar cells construction; Light anodized aluminum frame; Junction box is protected by silicone from moisture; 1 Year Full Quality Warranty! 10 Years Limited Power Performance Warranty! From Manufacturer.