Technical parameters . Pmax/Vm/Im: 54W/18V/3.0A . Voc/Isc: 22V/3.4A Dimensions. Unfolding size: 1380 x 290mm;. Folding size:290 x 305 x 50mm;. Weight: 2.4Kgs; Output configuration #1 Type-C: Pmax.:54W, automatically matching charging voltage of 5V/9V/12V/15V; #2 USB fast charging: Pmax:24W, automatically matching charging voltage of 5V/9V/12V; #3 DC output: Pmax:54W, 18V, 1m cable with 5521 DC/SAE/Anderson connector; Cells used Sunpower mono solar cell, 21.5% efficiency, +/-10% tolerance on voltage & current parameters;