Maratac Delrin Battery Locker 21700 - Waterproof Storage Case For 21700 Batteries And Gear

The Maratac Battery Locker is a compact, waterproof Delrin case designed to securely hold a 21700 battery (not included) and function as a versatile micro-storage solution for outdoor adventures.

• Material: Delrin construction for durability, lightweight resilience, and chemical resistance in rugged environments.
• Waterproof seal: Lid secured via flange to cap seal with an internal o-ring to help keep moisture and dust out.
• Dimensions: 3.63" overall length, sized to fit a single 21700 battery with room for optional small items.
• Closure design: Flange-to-cap seal provides a reliable, splash-resistant closure.
• Carrying option: Built-in lanyard hole for easy attachment to packs, belts, or gear for quick access.
• Color: Black, offering a discreet, practical finish that blends with outdoor gear.
• Versatile uses: Not just a battery locker—great for geo-caching, emergency cash stash, water purification tablets, pill storage, and more.
• Packaging: Bulk packed for inventory efficiency and easy bulk procurement.

Whether you’re tackling a long hike, staying prepared for emergencies, or organizing tiny-but-critical components, this compact locker keeps contents dry, secure, and easy to locate. The Delrin body stands up to rough handling, while the watertight seal protects your 21700 battery and small essentials from moisture and dust. With its slim profile and built-in lanyard hole, it’s a practical addition to any kit, backpack, or survival setup—delivering reliable storage without bulk.