This 21700 battery storage case is designed to hold 20700 and 21700 batteries securely. It fits 2x21700/20700 protected/unprotected batteries.
This battery case organizer is lightweight and portable for home or travel use.
It is made of high-quality PP material, which has high isolation and strong durability. Environmental-friendly. No pollution and waterproof. It protects your batteries from short circuiting and other damages.