20W / 50W Portable Solar Power Supply 20W / 50W Portable Solar Power Supply Model No. KSB20KSB50Solar Panel 20W50WStorage ... cmWeight 15 kg30 kg Application1 It provides power for lighting and entertainment in remote area, such as lights ... power for office;3 It is suitable for camping, traveling, adventure, exploration, road building and other fields of outdoors performance. Solar Power Supply System ...