High Quality Solar Panel Designed for Calgary Climate and Daylight Hours. Maximum Power ( Pmax ) 140 Watt Voltage at Pmax ( Vpm ) 17.2 Volt Current at Pmax ( Imp ) 8.14 Amp Open Circuit Voltage ( Voc ) 21.6 Volt Short Circuit ( Isc ) 9.05 Amp Cable 3FT- 10 AWG - With MC4 Connectors Diode 2 By-Pass Diodes Frame Style 45 Degree / Ratchet ( Anodized Aluminum Alloy ) Cell Count / Configuration 72 ( 4 x 18 ) Front Glass 3.2mm Tempered Glass Junction Box IP-65 Rated Max Load: 5400 Pa Cell Multi-Crystalline Cilicon Operating Temperature: -40°C to 85°C Dimensions 59.06" x 26.57" x 1.38" / 1500mm x 675mm x 35mm Weight 26.46 lbs / 12 kg