At present, there are roughly three types of mini-car freezers on the market. Due to the different performance of freezers, the prices also vary greatly.
The first type is a relatively early product, because it does not have refrigeration function, only heat preservation function, also known as heat preservation box. When in use, articles to be refrigerated must be put into a freezer for freezing and then put into a heat preservation box, and words with ice bags are put into the ice bags, so that the ice can be kept frozen in a short time. The advantages of the freezer are no electricity consumption, relatively low price, and the disadvantages are that heat preservation cannot be... less