UltraFire Battery Case: holds 4 x CR123A or 2 x 18650
Amazon.com: Hdlsina Battery Storage Case and Tactical Gear Case Hard Tool Box Secure Storage for AA, AAA, CR123 Batteries, Survival Gear(Black) : Electronics
2387 Battery Casing | Pelican
Molle Nylon Battery Box Storage Case Holder Organizer for CR123/AAA/AA Battery | eBay
Specwarfare Airsoft. FMA Molle Battery Storage Case Bottle Plastic Holder (DE) for CR123 Battery
16650 Battery Protected Rechargeable Replacement for 2x CR123A