Solar Panel, Maximum Power Point 50 W, Number of Cells 32, Voltage @ Maximum Power Point 17.6 V, Current @ Maximum Power Point 2.8 A, Connector MC4, Cable Length 18 in, Overall Height 25.83 in, Overall Width 21.89 in, Overall Depth 0.19 in, Compatible with Series GS-Star, Cell Type Monocrystalline, Compatible with Brand Grape Solar, Weight 2.2 lb, Power Tolerance +/-3 Percent, Short Circuit Current 2.95 A, Standards CE Certified, Open Circuit Voltage 21.5 V