The brand of Dianxiaoer mobile power supply is derived from the homophonic sound of "Dianxiaoer", which means to provide battery life support and services to our friends. Dianxiaoer is the world's pioneer of mobile power supplies and a world-renowned brand of power accessories for smartphones, tablets, and digital products. As early as 2004, Dianxiaoer's parent company developed the world's first portable power bank product. , which is the world's earliest prototype of a mobile power supply product and has obtained a national utility model patent (utility model patent is also called a small invention, which usually refers to a new technical solution proposed for the shape, structure or combination of the product that is suitable for practical use) . The company is committed to using the latest technology and creativity to develop and produce green new energy products with exquisite appearance, high quality, energy saving and environmental protection. The products have passed many international certifications such as CE\FCC\ROHS, and have won many awards in well-known domestic and foreign exhibitions.