CELLVAULT-18 BATTERY STORAGE FOR 18350 AND 18650 Protect your premium 18650 and 18350 batteries while keeping them immediately accessible, with the CellVault-18. Premium batteries require protection from physical and environmental damage but need to remain accessible to keep advanced tactical lights running at full power. The CellVault-18 takes attachable battery storage to the next level with new features like side windows that help you verify gear status, a metal locking latch, and waterproof double-layer construction. FEATURES: Holds 1 18650 or 2 18350 Rechargeable Batteries Waterproof O-ring seal rated to IPX7 at 2 meters for Mfg: Thyrm Llc