The CellVault-5M Modular Battery Storage is customizable protection for all the lithium-ion batteries you need in the field. The case includes 6 modular inserts for most user&';s needs. Perfect for securing your mission essential batteries, so they are always within reach. Whether you&';re camping, hiking, on duty, or at the range, the Cellvault 5M will keep your batteries safe and accessible. The CellVault-5M Modular Battery Storage Features: Modular inserts included for 18650, 18350, CR123 batteries Extra wells for CR2032 batteries Waterproof gasket seal Integrated straps for attaching to MOLLE/webbing Lockable over-center latch Durable premium polymer construction