battery is a kind of specialized technical content higher product, its use is by the battery, the charger, the electric appliance which is composed of a system. The correct use of the battery directly affects the safety of the electric appliance. Our specialized customer service department, engaged in battery industry for more than a decade and has R & D, quality, production management experience of professionals and senior technology, electronics, test engineers and other personnel. Customer service department can provide a series of services for customers to achieve the perfect match, and to meet the special requirements of customers to provide other services. At the same time, the customer service department will be in the new product research and development, a comprehensive understanding of market information, according to the needs of customers to provide clear direction of research and development and product positioning.