HQRP® Flexible Solar Panel plus HQRP® UV Chain / UV Radiation Health Tester; * Rated Power: 15W; Maximum Power Voltage: 18V; Open Circuit Voltage: 20.7V; * Maximum Power Current: 0.833A; Short Circuit Current: 0.892A; Dimensions: 800x300x2.5 mm; * High-efficient solar cells construction; Light and Durable; Laminated for Weather Resistance; Junction box is protected by silicone from ingress of moisture. * 1 Year Full Quality Warranty! 3 years limited power warranty: designed to produce over 90% of rated power.