SHENZHEN TESIYI TECHNOLOGY CO., LIMITED specializes in the R&D, manufacture, sales and service of batteries, chargers, accessories For many years.With a wide range, good quality, reasonable prices and stylish designs, our products are widely recognized and trusted by our users and can meet continuously changing economic and social needsTESIYI will continue to develop new products in the future, open up new areas to give customers exceptional product experience.We are dedicated to providing competitive price and good quality to our customers.Our Tesiyi offers the worlds best rechargeable battery and chargers for law enforcement, tactical operations, outdoor sports, vape, emergency and industrial utilities.Especially our high drain 18650 are are warmly welcome by domestic e-cigarettes factory like Kanger ,Sigelei,IPVand many overseas ecigs wholesalers.Customer First, Mutual Benefit is our tenet, we welcome new and old customers from all walks of life to contact us for further business relationships and success!