Shenzhen BAK Technology Co., Ltd as a professional 3350 mah single 18650 batteries manufacturer and supplier in China, all the 3350 mah single 18650 batteries have passed the international industry certification standards, and you can be completely assured of quality. If you do not find your own Intent 3350 mah single 18650 batteries in our product list, you can also contact us, we can provide customized services.