This process originated in the European automotive industry, so far in Europe and the United States, Japan and South Korea in the field of automotive industry and the field of electrical and electronic has been successfully applied for more than a decade, in our country is still in the initial stage. At present, the low-pressure injection molding encapsulation process of Punofi battery is still good, using German Henkel injection molding encapsulation materials, combined with low-pressure injection molding encapsulation technology, so that the battery to achieve insulation, moisture-proof and waterproof, chemical corrosion resistance and other requirements. So its battery has been very popular with consumers.