For li ion 18500, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our li ion 18500 has been well received by many customers and enjoyed a good reputation in many countries. Shenzhen QuawinTEC Technology Co., Ltd.li ion 18500 have characteristic design & practical performance & competitive price, for more information on the li ion 18500, please feel free to contact us.