solar panel tent 1,Random pattern 2,Amorphous Silicon solar panels 3,optional Power Bank Battery 4,Capacity:54000ma/h (max) Solar TentModel No: ... commercially available connector.11, Built-in short circuit, over charge, over discharge, Multiple protections,etc ...12, With 16 ... life is more than 500 times15, high-efficiency Poly-silicon solar panel, conversion rate > 16%, normal life >20 years.16, ...