[Materials] High-quality A-grade solar cells with innovative shingle technology (overlapping). Surface made of tempered ESG solar glass with weatherproof coating; black corrosion-resistant aluminium frame for extended outdoor use with pre-drilled mounting holes; IP68 junction box with 90 cm long 4 mm² double insulated solar cable [Technical data] Rated power (Pmax): 50W -- max. Voltage (Vmp): 19.5 V – Max. Current (Imp): 2.57A -- Open circuit voltage (Voc): 22.8V -- Short circuit current (Isc): 2.82A -- Max. System Voltage: 1000VDC -- Operating Temperature : -40 °C to +85 °C – Dimensions: 670 x 440 x 35 mm – Net weight: 3.48 kg Certificates: SGS-TÜV Saar tested according to valid standards [Application] On-grid or off-grid for ecological houses, cottages, caravans, motorhomes, boats etc. for all needs around a self-sufficient and mobile energy supply. Guarantee of plus tolerance (-+3%), performance warranty up to 10 years with 90% and up to 25 years with 80%, Weight: 8.157103694 pounds, Manufacturer: SolarV®