DescriptionThe lithium battery of this product can be charged not only by solar energy, but also by auto battery and household battery. Then the lithium battery supply power for the cooling bag, to keep the temperature inside between 13 - 18 degree Celsius, which will keep food and vegitable fresh, also will prolong time of fresh. The body material is nylon, all waterproof, can endure dirty. It is indeed a necessary for household, business trip and car owners. QWE. 14" L x 14" W x 7.5" H
