Jump to: Our Verdict / Features / Specifications
UOG TOP PICK - The FLEXTAIL ZERO PUMP 2 is the world's most compact sleeping pad pump, weighing only 48 grams and measuring 1 inch by 2.95 inches.
Flextail says:
On the trail, every gram matters. So the very first thing we set out to improve was weight. It wasn’t easy—we had to re-examine every structure, test new materials, and optimize each component one by one.
After countless iterations, we finally made it happen. The Zero Pump weighs only 1 oz (28 g). That’s a 15% weight reduction, making it lighter than a carabiner.
Good rest and a light pack are both essential in backpack journeys. Hence, we made ZERO PUMP 2 the lightest and smallest outdoor pump that shaves weight off people's packs and quickly builds a sleep system. It is smaller than a Snickers, weighing only 1oz, and measuring 1.02* 2.95 inches. Lightweight and compact features make ZERO PUMP 2 to be easily hung on a key ring holder as your everyday carrying essential, saving the space of your backpack.
Our Verdict
The FLEXTAIL ZERO PUMP 2, the world's most compact sleeping pad pump. This game-changer for campers, It's feather-light at 48 grams, including the rechargeable battery, and measures only 1 inch by 2.95 inches. Compatible with various sleeping pad brands (Therm-a-rest, Klymit, Nemo, Sea to Summit, Big Agnes, and Exped), it comes with six different nozzles for a snug fit. Unfortunately it does not work with the Rab or Gram-counter Gear mats.
Crafted for ease of use, the pump features a simple double-click to power on and a single click to turn off. It also doubles as a deflator, sucking all the air out of your pad, making packing up a breeze.
- Reviewed by Ultralight Outdoor Gear
Features
- Tiny Yet Powerful - On the trail, every gram matters. So the very first thing we set out to improve was weight. It wasn’t easy—we had to re-examine every structure, test new materials, and optimize each component one by one. After countless iterations, we finally made it happen. Zero Pump 2 weighs only 1 oz (28 g). That’s a 15% weight reduction,making it lighter than a carabiner.
- Everyday Carry For UL Users - Good rest and a light pack are both essential in backpack journeys. Hence, we made ZERO PUMP the lightest and smallest outdoor pump that shaves weight off people's packs and quickly builds a sleep system. It is smaller than a Snickers, weighing only 1.2oz, and measuring 1.02* 2.95 inches. Lightweight and compact features make ZERO PUMP to be easily hung on a key ring holder as your everyday carrying essential, saving the space of your backpack.
- Inflate without Any Effort - No more exhausting lung power. No more wasted energy after a long hike. Simply lock Zero Pump 2 onto your pad, press once, and let it inflate—hands-free, while you set up camp or cook dinner. No more adapter hassles – With 6 versatile nozzles covering over90% of sleeping pad brands, one pump fits nearly all your gear.
- One charge = more inflations than ever. - Upgraded high-efficiency pump + battery lets you top up multiple pads, multiple nights, or quick fixes on the trail – all without recharging. More power per charge. More confidence in the backcountry. Travel lighter, sleep deeper, worry less.
- As Compact as Ever - Zero Pump 2 keeps the same ultra-tiny footprint. Slip it into a pocket, clip it to your pack, or tuck it anywhere—you’ll barely notice it’s there until the moment you need it.
- Replaceable Battery - Experiencing a blackout in the wild can be incredibly frustrating. That's why the replaceable battery feature of ZERO PUMP ensures users have access to electricity anytime, anywhere. Users can even share pump batteries with their headlamps for added convenience. Plus, they have the flexibility to choose the type of battery they prefer and can reuse it without needing to replace the entire device when the battery is depleted.
- Efficient Deflator and Fire Starter - ZERO PUMP can also deflate your vacuum bags efficiently for packing. With a simple press of a finger, air escapes quickly and effectively. Plus, no more tiredness or exhaustion trying to start a fire – ZERO PUMP doubles as the ultimate fire-starting tool, ensuring a quick flame.
Specifications
- Weight with battery: 44g
- Weight without battery: 28g
- Size: 75*26mm
- Exhaust Pressure: 3.5 kPa
- Inflation Flow: 200L/min
- Inflation Pressure: 3.5 kPa
- Compression Ratio: 70%
- Running Time: 22min
Material & Construction
- Box contains; The Zero Pump, Six Multi-Purpose nozzles, a lanyard, and a Rechargeable 650mAh 3.7V battery.
