5 Top eufy S1 Breast Pump Models & Accessories Reviewed for Modern Moms

Becoming a new mom is an incredible journey, but let’s be real—it comes with its own set of challenges, especially when it comes to breastfeeding and pumping. Juggling daily tasks with regular pumping sessions can feel like a full-time job in itself! That’s where a reliable, efficient, and comfortable breast pump becomes an absolute game-changer. And when it comes to innovative pumping solutions, eufy has really stepped up to the plate with its smart, hands-free options, particularly the highly anticipated eufy S1 breast pump series.

Eufy’s wearable breast pumps are designed with modern moms in mind, featuring groundbreaking HeatFlow technology that not only helps prevent clogs but can also boost your milk output. Imagine getting a spa-like warmth while you’re pumping—pretty neat, right? This article dives deep into some of the best eufy breast pump models, including the popular eufy S1 breast pump, and essential accessories to help make your pumping journey smoother and more productive. Let’s find your perfect pumping partner!


1. eufy Security Heated Breast Pump S1, Hands-Free Breast Pump

eufy Security Heated Breast Pump S1, Hands-Free Breast Pump...

The eufy Security Heated Breast Pump S1 is a true standout, bringing together comfort and efficiency in one sleek package. What makes it genuinely revolutionary is its innovative HeatFlow technology, which provides a gentle warmth during pumping. This isn’t just about comfort; it’s designed to help prevent common issues like clogged ducts and can even increase your milk output by a significant 30%. It’s like having a warm compress and a powerful pump all in one, making your pumping sessions more productive and much more pleasant.

  • Key Features:

    • Innovative HeatFlow technology prevents clogs and boosts output by 30%¹.
    • Smart Pumping tailored for you with four presets, expert-recommended rhythms, or custom rhythms.
    • Up to 300 mmHg of hospital-grade suction for maximized milk flow.
    • Optimal comfort with 105° ergonomic design, soft silicone, and wide flange compatibility (17 to 24 mm).
    • Made from BPA-free, food-grade materials.
    • Ultra-quiet (46 dB) and slim for discreet, in-bra use.
    • Leakproof with a secure double seal.
  • Pros:

    • Revolutionary heating technology for comfort and clog prevention.
    • Significantly increased milk output potential.
    • Hospital-grade suction for powerful yet gentle pumping.
    • Highly customizable pumping experience via smart features.
    • Quiet and discreet design perfect for public or work use.
    • Comfortable and safe materials for peace of mind.
  • Cons:

    • Smart features require an app (available with free trial), which may not appeal to all users.
    • Some users might need to check Q&A for specific suction/heating issues, suggesting a slight learning curve.

User Impressions: Moms are raving about the warming sensation, noting that it truly makes pumping feel more comfortable and helps with milk flow. Many appreciate the discreet design and the freedom of hands-free operation. The increased output is a major plus, making it a favorite for those struggling with supply.

See it on Amazon here


2. eufy Security Heated Breast Pump Hands-Free E20, Wearable

eufy Security Heated Breast Pump Hands-Free E20, Wearable...

For the busy mom who needs to get pumping done efficiently and comfortably, the eufy Security Heated Breast Pump Hands-Free E20 is an excellent choice. It shares the innovative HeatFlow technology of the S1, ensuring that you get that beneficial warmth to prevent clogs and boost milk production. What truly sets the E20 apart is its “Quick Start” capability, getting you pumping in just 30 seconds. This is perfect for working moms or anyone with a packed schedule who can’t afford to waste a moment.

  • Key Features:

    • Innovative HeatFlow technology for 30% more output* and clog prevention.
    • Quick Start: warms up to 95°F and boosts milk flow in 30 seconds.
    • Smart, hands-free pumping with four presets, expert rhythms, or custom rhythms.
    • Hospital-grade suction (up to 300 mmHg) with ergonomic 105° curvature.
    • All skin-contact parts are BPA-free, food-grade materials.
    • Ultra-quiet (46 dB) and slim for discreet, in-bra use.
    • Leakproof with a secure double seal.
  • Pros:

    • Exceptionally fast warm-up time for immediate pumping.
    • Boosted milk output and clog prevention through HeatFlow.
    • Powerful hospital-grade suction.
    • Comfortable ergonomic design and safe materials.
    • Discreet, quiet, and truly hands-free operation.
  • Cons:

    • Smart pumping features are tied to an app with a free trial.
    • Specific differences from the S1 are subtle, primarily the “Quick Start.”

User Impressions: Moms love the E20 for its sheer convenience and speed. The quick warm-up is a lifesaver for those impromptu pumping sessions or when time is tight. Users also report excellent milk output and appreciate the quiet operation that allows for discreet pumping anywhere.

See it on Amazon here


3. eufy Security Original Milk Container (2-Pack) for Wearable

eufy Security Original Milk Container (2-Pack) for Wearable...

Having extra milk containers is an absolute must for any pumping mom, and the eufy Security Original Milk Container (2-Pack) ensures you’re always ready. These containers are specifically designed to be perfectly compatible with your eufy breast pump (E20 / S1 / S1 Pro), meaning no leaks or compatibility headaches. Made from safe, BPA-free materials, they provide peace of mind that your precious breast milk is stored safely. Plus, they’re super easy to clean, making your pumping routine a little less chore-like.

  • Key Features:

    • Only compatible with eufy Breast Pump E20 / S1 / S1 Pro.
    • Made from BPA-free plastic materials for safety.
    • Easy to clean: wash with warm, soapy water, dishwasher, fridge, and freezer-safe.
    • Covered by a 90-day limited manufacturer’s warranty.
    • Typically lasts 6 months; replace if performance decreases.
  • Pros:

    • Perfect compatibility ensures proper function and prevents leaks.
    • Safe, food-grade materials for storing breast milk.
    • Easy to clean and sanitize, saving time.
    • Durable enough for regular use and storage.
    • Essential for uninterrupted pumping and milk storage.
  • Cons:

    • Only compatible with specific eufy models.
    • Needs replacement every 6 months or sooner, depending on usage.

User Impressions: Pumping moms agree that extra containers are indispensable. These eufy originals are praised for their perfect fit, durability, and ease of cleaning. Users appreciate not having to immediately transfer milk after pumping, allowing for more flexibility.

See it on Amazon here


4. eufy Security Heated Wearable Breast Pump S1 Pro, Slim

eufy Security Heated Wearable Breast Pump S1 Pro, Slim...

For the mom who needs the ultimate in portability and convenience, look no further than the eufy Security Heated Wearable Breast Pump S1 Pro. Building on the stellar features of the S1, the S1 Pro introduces an industry-leading wireless charging case. This isn’t just a pretty accessory; it’s a game-changer, providing up to five days of power on the go. Whether you’re traveling for work, on a weekend getaway, or just need to pump without searching for an outlet, the S1 Pro keeps you powered and ready. It still includes that amazing HeatFlow technology for increased output and comfort, making it a premium choice for serious pumpers.

  • Key Features:

    • Groundbreaking HeatFlow technology for gentle warmth, clog prevention, and 30% more output¹.
    • Industry-leading Wireless Charging Case provides up to five days of power.
    • Smart Pumping: tailored experience with four presets, expert rhythms, or custom rhythms.
    • Hospital-grade suction (up to 300 mmHg) with adjustable intensity and cycle speeds.
    • All skin-contact parts are made from BPA-free, food-grade materials.
    • Ultra-quiet (46 dB) and slim for discreet, in-bra use.
    • Leakproof with a secure double seal.
  • Pros:

    • Superior portability and convenience with the wireless charging case.
    • Enhanced comfort and milk flow with HeatFlow technology.
    • Powerful hospital-grade suction ensures efficient pumping.
    • Smart, customizable pumping sessions.
    • Discreet, quiet, and hygienic for pumping anywhere.
  • Cons:

    • Premium features likely come with a higher price point.
    • Smart features require app usage (free trial).
    • Requires proper assembly and sterilization for optimal suction, as noted in the features.

User Impressions: The S1 Pro is a hit with moms who are frequently on the go. The wireless charging case is consistently highlighted as a major benefit, providing peace of mind and true freedom. Users still praise the heated technology and excellent milk output, finding it totally worth the investment for its advanced features.

See it on Amazon here


5. eufy Security Original Diaphragm (2-Pack) for Wearable

eufy Security Original Diaphragm (2-Pack) for Wearable...

To keep your eufy breast pump performing at its best, regular maintenance is key, and that includes replacing parts like the diaphragm. The eufy Security Original Diaphragm (2-Pack) is crucial for maintaining consistent and effective suction power. Made from flexible, durable, food-grade silicone, these diaphragms ensure that your pump continues to deliver the hospital-grade suction you rely on. They’re compatible with multiple eufy models (E10 / E20 / S1 / S1 Pro) and are designed for easy cleaning, making them an essential accessory for any eufy user.

  • Key Features:

    • Flexible and durable upgraded silicone material for consistent suction power.
    • Compatible with eufy Breast Pump E10 / E20 / S1 / S1 Pro.
    • Made from food-grade silicone, safe for mother and baby.
    • Easy to clean with a smooth surface for effortless decontamination.
    • Covered by a 90-day limited manufacturer’s warranty.
    • Typically lasts 1-3 months; replace if suction or performance decreases.
  • Pros:

    • Restores and maintains optimal suction power.
    • Made from safe, food-grade, durable silicone.
    • Easy to clean and sanitize.
    • Essential for hygienic and efficient pumping.
    • Broad compatibility with eufy wearable pumps.
  • Cons:

    • Requires regular replacement (every 1-3 months) for optimal performance.
    • Easy to overlook replacement, leading to decreased pump efficiency.

User Impressions: Moms emphasize the importance of having spare diaphragms and replacing them regularly. They note a noticeable difference in suction power after replacing an old diaphragm, confirming its vital role in the pump’s effectiveness. The durability and ease of cleaning are also frequently praised.

See it on Amazon here


Frequently Asked Questions About eufy Breast Pumps

Choosing and maintaining a breast pump can bring up a lot of questions. Here are some common queries about eufy breast pumps to help you out:

Q1: What is eufy’s HeatFlow technology and how does it benefit pumping?

A1: HeatFlow technology is a groundbreaking feature in eufy’s wearable breast pumps that provides gentle, spa-like warmth during your pumping sessions. This warmth helps to relax your body, prevent common issues like clogged milk ducts, and significantly boosts milk output—some users even report up to 30% more. It essentially mimics a warm compress, making pumping more comfortable and efficient.

Q2: Are eufy breast pumps truly hands-free?

A2: Yes, eufy’s wearable breast pumps are designed for truly hands-free operation. Their compact, lightweight, and slim design allows them to be discreetly worn inside your bra, freeing up your hands for other tasks. This means you can pump while working, caring for your baby, or simply relaxing.

Q3: What’s the main difference between the eufy S1, E20, and S1 Pro models?

A3: All three models feature the innovative HeatFlow technology and offer hospital-grade suction.
– The eufy S1 is a foundational model focusing on smart, heated, hands-free pumping with customizable rhythms.
– The eufy E20 emphasizes a “Quick Start” feature, getting the pump warmed up and ready to boost milk flow in just 30 seconds, ideal for busy moms.
– The eufy S1 Pro is the premium model, incorporating all the S1’s features plus an industry-leading wireless charging case, offering up to five days of power for ultimate portability and convenience on the go.

Q4: How often should I clean my eufy breast pump and accessories?

A4: All parts that come into contact with breast milk should be cleaned after each use. This typically involves washing with warm, soapy water and rinsing thoroughly. For sterilization, many eufy parts are safe for boiling or steaming for 5 minutes before first use and periodically thereafter, as recommended in the manual. Accessories like milk containers are often dishwasher, fridge, and freezer-safe for easy cleaning and storage.

Q5: How often should I replace eufy breast pump accessories like milk containers and diaphragms?

A5: It’s crucial to replace accessories regularly to maintain optimal pump performance and hygiene. Eufy recommends replacing milk containers approximately every 6 months. Diaphragms, which are vital for consistent suction, typically need to be replaced every 1-3 months, or sooner if you notice a decrease in suction power or any signs of wear and tear. Always refer to the product’s specific guidelines for lifespan.

Q6: Are eufy breast pump parts made from safe, BPA-free materials?

A6: Absolutely! Eufy prioritizes the safety of both mother and baby. All skin-contact parts and milk-contact components of eufy breast pumps and accessories, including flanges, milk containers, and diaphragms, are made from BPA-free, food-grade materials, ensuring extra peace of mind during your breastfeeding journey.

Q7: Can I really expect to get 30% more milk output with eufy pumps?

A7: Eufy’s claim of 30% more output is based on actual usage feedback from over 300 eufy pump users, leveraging their unique HeatFlow technology. While individual results can vary, the warming sensation and efficient suction are designed to help relax the milk ducts and improve flow, making an increase in output a realistic and often reported benefit for many users.


Final Thoughts

Navigating your breastfeeding and pumping journey can be a lot, but with the right tools, it becomes so much easier. The eufy S1 breast pump series, with its innovative HeatFlow technology, hands-free design, and smart features, offers a fantastic solution for modern moms seeking comfort, efficiency, and discretion. Whether you opt for the standard S1, the quick-start E20, or the travel-ready S1 Pro, you’re investing in a pump that’s designed to make your life simpler and your milk output greater. And don’t forget those essential accessories like extra milk containers and replacement diaphragms—they’re key to keeping your pumping game strong! Here’s to a smoother, more comfortable pumping experience!