Apparently there are multiple models. This link gives a bit more technical information. Will this help ?
Instapark Solar Panels Review (5W, 10W, 15W, 20W, 30W,50W, 80W, All Black 100W Monocrystalline,130W, 180W, 360W ), 12V charge controller, Solar Charger Review | Green World Investor
30W...