Sea To Summit

Watercell X 4 litre Water Storage Bladder

$36 $39

Sea to Summit’s Watercell X works seamlessly across all your adventure platforms and suspends for the pole of the UL6T to provide on demand water whilst cooking off the Titanium Wood Stove.

The Watercell X combines smart design, robust materials and ultimate functionality to create a unique soft-cell multi-use water storage and dispensing solution. Its compact 3D shape and internal baffle design makes it manageable and easy to fill, stow, stack, hang and drain. The unique multi-function low-profile cap combines flow-control, an easy to fill standard wide-mouth opening and extra-small shower attachment for complete versatility on the trail. Its waterproof webbing strap provides adjustable handles for carrying, multiple lashing point options, and a hook buckle for effortless hanging. The strategically positioned fill-handle makes filling easy while the upright cell structure provides efficient use of the internal volume and allows the Watercell X to drain completely for drying at the end of a trip. Made from flexible abrasion-resistant 400D nylon fabric and RF welded seams for ultimate strength, reliability and packability. The food-grade TPU lining is BPA and PVC-free.


  • Strong RF welded 3D shape with internal baffle for ease of use and compact packing
  • Multi-function cap with customisable flow-control and standard wide-mouth opening
  • Adjustable webbing strap system for carrying, lashing and hanging
  • Extra-small shower fitting attaches to webbing strap for safekeeping
  • Food-grade TPU lining is BPA and PVC-free
  • Made from flexible and abrasion-resistant 400D nylon fabric for durability and easy packing
  • Expeditions, Bike Packing, 4WD Touring, Paddle Trips, Van Life, Camping, Backpacking.

Customer Reviews

Based on 1 review Write a review

Customer Reviews

Based on 6 reviews
Great hydration solution.

Holds a good amount of water. Sturdy, I've had less issues than my previous soft plastic bladders. Light and packs down small when not in use.

Super quick delivery.

Chris Carr
Great Water Bladder

Light and easy to store empty. Robust and no leaks. Highly recommended.

William Cowen
Quality products

Great service, quick delivery and quality products.

Seth Brown
Watercell X 4L

Fantastic option for carriage of water on alpine adventures. Lighter weight than similar products, but still durable enough to be subjected to hard slogs. Shower nozzle is a nice feature if you can get enough sunlight to warm it up.

Bee Kitley
Sturdy and practical water cell

The delivery of the product was quick. Received it within 2 or 3 days of ordering.
The water cell itself is exactly as described on website. Very sturdy, easy to fill up and drink from.
So far I’ve only used it once as a back up water supply on a recent bike/swim day adventure with my son and I can’t wait to use it on our future Vanning and camping adventures.

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