Best Battery Diaphragm Pumps in 2026

2 SILICONE MEMBRANES for Spectra backflow protectors and Nenesupply backflow protector

THIS IS AFTERMARKET PART MADE BY NENESUPPLY. Use on SPECTRA S2, SPECTRA S1, SPECTRA 9 PLUS. Not Original Spectra S2 Accessories

OPTIMIZE PUMP PERFORMANCE. Replace silicone membranes regularly to optimize the performance of your breastpump

A genuine Flojet product, don't settle for anything less

Self-priming up to 9 feet suction lift , dry running, three chambers

Soft noise absorbing mounts. Pressure switch setting: 3.4 bar

Positive Displacement 3 Chamber Diaphragm Pump

Check Valve: (1-Way Operation) Prevents Reverse Flow

CAM: 3.5 Degree

Aerates ponds up to 1000 gallons, 2 ft deep

Adds valuable oxygen and circulation, Single Diaphragm Compressor

Extremely quiet operation, producing 0.15 CFM of airflow

(1)Diaphragm Pump,(1) set of instructions,(2) 1/2" barbed hose adaptors,(1) 50 mesh inlet strainer

3.0 Gallons Per Minute capacity flow, and 45 PSI pressure setting

Self priming, smooth, silent operation and can run dry without damage

2 Valves Design: Smart aerator has the 2 aluminum outlets design that could generate powerful steam without any leaks, Adopt advanced magnetic levitation technology motor to reduce resonance. This Aquarium pump is working great for both freshwater and sea water and different sizes and depth of tank from 20 to 600 gallons.

Energy-saving: aquarium air pump is powered from electromagnetic vibe(5w), Cylinders and pistons are made of premium materials, making the pump strong and highly efficient, and you could just leave it on for 24/7 working.

Ultra-quiet: Produce no more than 25DB of noise with pure copper motor, double-layer sound insulation design, which is barely noticeable. Whenever you are taking a sleep, oxygen pump will always doing it's job, blowing air in copious quantities,

30cc GFLT accelerator pump diaphragm

GFLT Diaphragms Are Compatible For Use w/All Alcohol Based Fuels

Genuine Holley Quality Parts

Contemporary, upright design

Rubberized base lessens residual pump noise

Each air pump includes replaceable check valve, diaphragm and dust filter pad

UL 778 & CSA 22.2 Certified

12 Volt, 3.0 GPM, 55 PSI Positive Displacement Pump

Variable Flow With Bypass Technology For Reduced Cycling!

😇【Double Hands-free Breast Pump】TSRETE double breast pump is lightweight,easy-to-grip and no tube.Wearable breast pump is very convenient,you can pump anywhere and at anytime,enjoy the free time of breastfeeding.And the electric breast pump can USB rechargeable.A full charge can be used for 3-5 times,can hold up to 180ml / 6oz,very convenient to carry even working or go traveling.

😇【Smart Adjustable Breast Pump Suction】The wearable breast pump electric has 2 modes.Portable Breast pumping mode Imitating the baby's actual sucking frequency.Massage mode stimulate breasts before pumping to help fast sucking,comfortable & pain-free.Easily to find the right suction power to help you get more milk in shorter time gives new mom more choice and comfort.LCD screen for easy operation with 9 Adjustable intensity levels,memory function and 30 minutes timed turn off.

😇【Food Grade Silica Gel & Anti-backflow Design】Breast pump electric is made of soft silicone,very safe for human body.Detachable accessories and easy to clean.The anti-reverse flow design prevents the breast milk from being contaminated.Wearable electric breastpump uses a closed system,which keeps milk completely separate from the pump pieces.No need to worry about leakage and protects milk from infection and keeps it fresh.

The 21-Series Pumps are compact and designed for a wide range of applications including liquid transfer, spraying, circulation, filtration and dispensing

The 21-series of diaphragm pumps are self-priming and can be run dry without harm. It provides up to 1.2 gallons per minute

Built-in 35 PSI pressure switch for automatic stop/start

AUTOMATIC SUBMERSIBLE SUMP PUMP: with integral diaphragm switch activates when water reaches 7 to 10 inches and shuts off when water drops down between 1 and 4 inches

BUILT TO LAST: Epoxy-coated cast iron housing; non-clog vortex style impeller; upper and lower bearings; nitrile/carbon/ceramic mechanical shaft seal

CONTINUOUS DUTY MOTOR: 1/3 HP shaded pole motor, 9.0 running Amps, 14.3 starting Amps, 720 Watts, thermally protected, CSA listed in the USA and Canada

Specifications: 12V DC water pump, features 3.5GPM water flow. Pressure switch is set to 45PSI.

Multipurpose: RVGUARD replacement pump suit for most RV brands. Designed with 1/2" MNPT, can be used for RV, Yacht, Garden, Camper

Quiet Pump: Quiet enough to where you need to be within 6 feet to hear it and you can never hear it from the tent at night.

Aeration for 1,000 - 4,000-gallon ponds and water gardens

Max operating depth is 4 feet deep

Provides 0.80 CFM airflow with 1 Dual Stick Plate

Included Components: Desoldering Pump

Power Source Type: DC

SHURFLO's New Revolution Fresh water pump design was created with a unique one-piece diaphragm and internal by-pass, assuring long life and top performance in all plumbing systems

Designed as the next legendary pump to exceed the expectations of our customers, the Revolution pump is constructed for high flow demand, low noise and no rapid cycling

SHURFLO's quality reputation has been built on the reliability and dependability of every pump we build

Statement: Diaphragm&Duckbill valve is not transparent ，they are foggy white.bliblo diaphragm & duckbill valve is suitable for wearable breast pump: suitable for S9/S12/S9pro/S12pro wearable breast pump. 4 pieces set

Easy Cleaning, wash the accessories with warm soapy water everytime after using.

Silicone diaphragm & duckbill valve: silicone material. It can be sterilized with steam, boiling water or microwave steam bag. 100% BPA free.

The patented design delivers smooth & consistent flow at all ranges of operation, while drawing low current

Inlet and Outlet: 3/8-inch hose barb ports. Vertical Suction Lift: 6.6ft (2m). Adjustable CUT-OFF Pressure: Default 80-85PSI, MAX 100 PSI(5.5Bar). It doesn't mean 4.5L/min jet at 100PSI. Comes with 2 tube clamps

The pump body is sealed to prevent incidental moisture and dust from entering. The pump can not run continuously more than 6 hours. Able to operate in a wet environment. Self priming function allows it to be mounted above water tank

MODES & STIMULATION📳: NCVI electric breast pumps for breastfeeding comes with 4 modes and 9 levels. The massage mode is used to stimulate the breasts. To produce normal milk, you can use multitronic suction, Suck Stimulation Mode or Express Pumping Mode. Mom can choose the best pumping intensity by using comfort mode.

TOUCH CONTROL & NIGHT LIGHT🔆: The breast pump equipped with LCD display, sensitive touch panel, easy to operate. Low noise design of 40 dB, baby won't be woken when moms are pumping. The upgraded breast pump is equipped with night light, which makes it more convenient for moms to pump at midnight. Gentle night light bring warm for you, what a nice must for nursing mom.

UPGRADED BATTERY🔋 : NCVI double breast pumps built in upgraded 4400mAh lithium battery allows it to run for up to 180minute with one charge. It can be charged by kinds of sources, such as power banks, computers, car adapter. You can go worry free about the usage of product when out of home or suffering a power out.

Accessories Linker: Wearable breast pump accessories linker fits most of the wearable breast pumps on market, if the breast pump you used has these parts, then they can work, for example, the S12 wearable breast pump.

Made of Plastic Material: Made of plastic material, very soft, safe, non-odor, BPA free, giving you peace of mind about your baby's milk.

Easy to Clean: Wearable breast pump accessories linker, is easy to be washed in water, recommend cleaning them via boiling or soaking in hot water within 1~5 minutes or before using and after using.

The pump come with : 2x screws, 2 × 1/4" Pipe Quick Connect Elbow, 1 × 1/4"RO Water Tubing 1m,1 × Heating Shrink Tube.Pressure & flow rate 30 psi(2.0bar). It doesn't mean 1.2/min at 30PSI, 1.2LPM at 80 cm self priming and 60cm flow head

Pressure over-load protection. Built-in pressure device automatically shut-off when the pressure exceed. Protect the pump and avoid damage to water dispenser .Self priming function allows it to be mounted above water tank, Vertical Suction Lift: 4.2ft (1.3m)

Bigger size mount support the whole pump body, more stable when install on water dispenser, reduce vibration and noise effectively.

NAGRAN duckbill valves and silicone diaphragm fittings are universal for most wearable breast pumps on the market, such as the S9/S10/S12/S4DW wearable breast pumps.

Silicone diaphragm keeps the breast pump suction strong enough and also helps the bottle stay sealed. The duckbill valve is designed to prevent backflow of breast milk. The silicone diaphragm and the duckbill valve accessory are perfectly suitable to meet your requirements when using a wearable breast pump.

BPA free, the silicone diaphragm piece and duckbill valve are made of food grade silicone which is very safe, soft and odorless so you can feel completely at ease with your baby's milk.

The 4.5 GPM demand pump with improved features can pump up to 60 PSI and features 15 Amps fuse, Viton valves, Santoprene diaphragm and an internally fan cooled motor which delivers consistent performance under heavy load

Chemically resistant elastomers provide increased flow rate delivering superior performance. Approved for use with Roundup

Increased motor life, optimized chamber flow, improved built-in check valves which help maintain pressure and prevent backflow

4 Year Warranty from Authorized Seaflo USA Dealer!!!

3.3 Gallons Per Minute flow, 45 psi Self Priming

Includes standard three prong outlet plug

Reduces pump cycling

Smooths water faucet pulses

Pre-pressurzied to 10 psi with built-in diaphragm

UL 778 & CSA 22.2 Certified

12 Volt, 3.0GPM, 45PSI Fully Automatic Diaphragm Pump

Serves 3 or more 1/2” (13 mm) outlets

💎 [Powerful & Comfortable]: Double Electric Breast Pump for mom comes with 5 Massage Modes & 9 Suction Levels. A new design suction motor can work more powerfully and express more milk in less time. Up to 9-level suction power, it solves the mother's feeding anxiety. It’s powerful but doesn’t hurt and you may always feel empty after each session. It's a total time saver and works great. It’s so gentle and strong at the same time!

🍼[Food Grade, Non BPA]: Double Electric Breast Pump for women is made with food grade silicone. Flanges have a soft, flexible rim that's soft on mom's skin while maintaining a good seal for optimal suction. From 24mm flanges, you could see your milk squirting out. You can directly use food-grade silicone nipples and bottles we provided to feed your baby.

✨[Considerate Design]: It is designed and manufactured to high standards and it's less hassle. Anti-Backflow -The backflow prevent valve stops milk flow from the bottle into the body and the silicone diaphragm blocks milk flow to the pump. Memory - the breast pump will remember your last level settings. Pause -You can pause it if you need to stop and get up for a second. Two dust covers to avoid dirtying the cushion and damaging the motor. The bottles will be more stable with bottle holders.

【Unique shape air aquarium pump】super compact and light weighted aquarium air pump, is not diaphragm air pump, durable to use. We provide 1 year warranty for this mini air pump kit

【One pack includes all you need】comes with all accessories you need to pump air into aquarium water, you don't need to buy extra accessories seperately. Package includes: mini air pump, air tubing hose, air stone, suction cup

【Ultra quiet air pump】it's very silent when the aquarium pump is working, you can only hear the water and bubbles sounds, if the small fish tank is in bedroom it will not disturb your children's sleep

Self priming and self starting, can run dry without damage

No shaft or seals to replace with the diaphragm design

Chemical-resistant elastomer

12V pump that can handle up to 4. 0GPM & 60 psi

Self priming up to eight feet

Approved For use with agricultural and lawn care applications