The 21700 battery actually usually refers to a cylindrical battery with an outer diameter of 21mm and a height of 70.0mm. The battery energy density is higher than that of the well-known 18650 battery. It is used to power various devices such as flashlights and electronic cigarette accessories. As a well-known
18650 battery manufacturer and wholesaler in China, with years of experience, KESHEE strives to provide fast delivery and strive to meet all your needs. We have a professional team to produce and customize batteries for your brand and provide
OEM/ODM services.
