Description
The Thyrm CellVault XL is the bigger brother in Thyrm's CellVault lineup, built to carry twice the stash of the original while still keeping a slim, grab-and-go profile. It's a rugged, waterproof case made from food-safe thermoplastic with a rubber O-ring seal that keeps water, dust, and grit out of your spare cells. If you've ever dug through a pack looking for a dead-flashlight fix in the rain, you already understand why a case like this earns its spot.
This one comes in Flat Dark Earth and runs the standard CellVault XL footprint, right around 5.25 inches long and just under 2 inches wide. A removable internal divider lets you organize different battery types, and that divider also keeps CR123s locked in place even when you flip the vault upside down to open it. A quick squeeze on the front and back of the tube pops the batteries loose, which is a slick touch when you're working fast or wearing gloves.
What the CellVault XL Can Actually Hold
Capacity is where this thing shines. With the divider in place it swallows up to six CR123s, eight AAAs, or four AAs. Pull the divider out and it'll take two 18650 rechargeables, which is the main reason folks step up to the XL over the standard model. Beyond batteries, the roomy interior makes it a handy little vault for fire-starting gear, a compass, medication, memory cards, emergency cash, or a compact first aid kit. Plenty of people run a different color for each purpose so they can tell them apart at a glance.
Mounting the CellVault XL to Your Kit
The integrated webbing clip rides on a single MOLLE/PALS column, leaving room on your rig for other gear. You can open it and pull contents without ever unclipping it, or detach it fast when you'd rather hold it in hand. Lanyard holes on both ends give you extra attachment options for a chest rig, plate carrier, duty belt, pack, or seat mount. It's made in the USA and light enough at roughly 2 ounces that you'll forget it's there until you need it.
Key Specifications
- Manufacturer: Thyrm LLC
- Model: CellVault XL
- Color: Flat Dark Earth (FDE)
- Manufacturer Part Number: CVXL004
- UPC: 754697743336
- Material: Food-safe thermoplastic with rubber O-ring seal
- Water Resistance: Waterproof (not rated for prolonged submersion)
- Compatible Batteries: CR123, AA, AAA, 18650
- Capacity: 6x CR123, 8x AAA, 4x AA, or 2x 18650
- Internal Divider: Removable
- Length: Approx. 5.25 in
- Width: Approx. 1.875 in
- Weight: Approx. 2 oz
- Attachment: Integrated MOLLE/PALS clip, lanyard holes both ends
- Country of Origin: Made in USA
What’s Included
- Thyrm CellVault XL storage case (Flat Dark Earth)
- Removable internal divider
- Integrated webbing clip
- Rubber O-ring seal (installed)
Frequently Asked Questions
What batteries does the CellVault XL fit?
It's built around the 3V CR123 cell used in a lot of tactical lights, but it also handles AA, AAA, and 18650 rechargeables. With the divider installed it holds up to six CR123s, eight AAAs, or four AAs. Pull the divider out and it fits two 18650s, which is the big draw over the standard CellVault.
Is the Thyrm CellVault XL fully waterproof?
The rubber O-ring seal does a great job keeping out rain, splashes, dust, and dirt, so your gear stays dry in rough weather. That said, it isn't designed for diving or prolonged submersion. It's smart to check the lip and O-ring for debris now and then so it keeps sealing like new.
How does the CellVault XL attach to gear?
The integrated clip mounts to a single column of MOLLE/PALS webbing and lets you open the case and grab contents without removing it. It also detaches quickly if you'd rather hold it in hand. Lanyard holes on both ends add extra attachment options for a chest rig, duty belt, pack, or plate carrier.
Can I store things other than batteries in it?
Absolutely. With the divider removed the interior turns into a handy vault for small survival gear, a compass, fire-starting supplies, medication, memory cards, emergency cash, or a compact first aid kit. Since it's made from food-safe thermoplastic, just wash it out first if you plan to keep snacks or meds in there.




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