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S1 Plus Electric Breast Pump

Rated 4.6 out of 5
47 Reviews|, Answered Questionsor
$
225.99
Free shipping & returns for Babylist orders $45+
FSA & HSA Eligible

FSA & HSA Eligible

Your Flexible Spending Accounts (FSAs) and Health Savings Accounts (HSAs) can be used to purchase eligible health-related baby products in a variety of categories across the Babylist Shop. Please contact your insurance provider directly to ensure the eligibility of products. To be reimbursed for your FSA/HSA-eligible purchases, use your credit or debit card to pay for your items, then submit the receipt to your provider.

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S1 Plus Electric Breast Pump
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Overview

Description

Many moms love this pump for its exceptional performance, allowing for more productive pumping sessions that fully empty the breast—which can be a game-changer. Also, it’s quiet. The motor operates at 45 decibels, which is basically the hush of a library.

It offers adjustable suction levels for a more natural flow of milk, including the popular massage mode that simulates the natural suckling of a baby. More key features: back-flow protection protects your breast milk from harmful bacteria (it’s a closed-system pump), a night light allows you to pump at any hour, it remembers your most recent settings and it has an auto-shutoff feature.

The biggest difference between this model and the Spectra S2 Plus Electric Breast Pump? This one has a rechargeable battery that lasts up to three hours—so you don’t always have to be plugged in. It’s .5 lbs heavier, but the convenience and portability could be worth it.

What’s Included:

  • 1 S1 Plus Electric Breast Pump
  • 2 Breast Flanges (24mm)
  • 2 Breast Flanges (28mm)
  • 2 Wide Neck Storage Bottles (5.4oz) (Includes nipple, cap, disc and cover for each bottle)
  • 2 Backflow Protectors (Includes silicone membrane, uppercase, and lowercase for each Backflow Protector)
  • 2 Tubing
  • 2 Duckbill Valves
  • 1 AC Power Adapter/Charger (12V)

What we  about it

A pump that's portable, rechargeable and extra quiet.

Details

  • Unit Size: 7.5” x 7”
  • Unit Weight: 3 lbs
  • Suction Strength: 270mmHg
  • Suction Levels: 12
  • Closed System: Yes
  • Power Source: Battery (Last up to 3 hours)
  • Rechargable: Yes
  • App Connected: No
  • App Connection: NA
  • Warranty: 2 Years

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40 Questions
Most Recent Question
Oldest Question
Most Common
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Fewest Answers
Most Recent Answer
Oldest Answer
Does the battery come with the Spectra S1 plus? If not, what kind of battery does it use? Where do I buy the battery? And how much is the battery?
Briyon V

Best Answer:  The battery is in the pump -- you do not need to purchase it separately.

Kim Mstaff
Inaccurate
Answer by Kim M has been flagged
Is this pump Hospital grade?
Shayne L

Best Answer:  This is not considered hospital grade, but it has the efficiency, power, and performance of a hospital-strength breast pump without compromising on portability.

Kim Mstaff
Inaccurate
Answer by Kim M has been flagged
Is this pump compatible with Mam bottles?
Jessica W

Best Answer:  Yes, it's compatible with Mam bottles.

Alison S.staff
Inaccurate
Answer by Alison S. has been flagged
Do you need a special nursing bra while pumping?
Ioana V

Best Answer:  Any nursing bra will do!

Alison S.staff
Inaccurate
Answer by Alison S. has been flagged
Can I use this pump in Australia or do I need an adapter?
Sanya m

Best Answer:  You need an adapter to use the pump in Australia.

Babylist Support
Inaccurate
Answer by Babylist Support has been flagged
Is this pump compatible with the wide-neck Dr. Browns bottles?
Megan L

Best Answer:  It is! The S1 takes standard wide mouth bottles, so bottles from Dr. Brown's will connect directly to it.

Jen A.staff
Inaccurate
Answer by Jen A. has been flagged
Is this Spectra compatible with Dr. Brown's bottles?
Brittani G

Best Answer:  It isn't! You'll need to purchase the Small Cap bottle adaptor to make it possible for you to use any narrow-neck bottle with the flanges.

Jen A.staff
Inaccurate
Answer by Jen A. has been flagged
Does this work with Philips Avent Milk Storage bags?
Irteza and Nader M

Best Answer:  This pump does work with the Philips Avent Milk Storage bags.

Angela P.staff
Inaccurate
Answer by Angela P. has been flagged
Does it have 2-year Limited Manufacturer’s Pump Warranty?
Katia M

Best Answer:  The warranty is offered by the manufacturer so you'd want to reach out to Spectra directly.

Angela P.staff
Inaccurate
Answer by Angela P. has been flagged
Are the Momcozy bags compatible without an adapter? If not, which bags are compatible without the adapters?
Melina A

Best Answer:  Spectra users can use Lansinoh's storage bags, which fit right onto the flanges.

Angela P.staff
Inaccurate
Answer by Angela P. has been flagged
Questions for Similar Products
This says you need an adapter to pump milk directly into the bags. Is that adapter available here?
Dana D.

Customer reviews

47 Ratings
4.6out of 5
47 Ratings

Rated 5 stars by 83% of reviewers

Rated 4 stars by 2% of reviewers

Rated 3 stars by 11% of reviewers

Rated 2 stars by 0% of reviewers

Rated 1 star by 4% of reviewers

1-10 of 47 Reviews
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  • Lowest Rated
Rated 1 out of 5
Not Reliable
Suction stopped working after five uses.
Elizabeth O
Nov 2, 2025
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Rated 5 out of 5
Awesome Pump for Breastfeeding Mamas
This made my breastfeeding journey so easy and efficient. Use the pump all the time and it works like new. If you are considering exclusively breastfeeding/pumping this is for you. I rarely had clogs and never got mastitis while using this. Battery lasts me 2/3 days. Also the fact that its cordless is great especially that I pump at work or at home and do other things at the same time. Would recommend 100%
Natalia K
Aug 13, 2025
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Rated 5 out of 5
This pump was a lifesaver when my newborn didn’t nurse efficiently right away. Preserved my supply, held a decent charge, and loved that I didn’t have to be plugged into the wall.
Lauren G
Aug 11, 2025
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Rated 5 out of 5
My absolute favorite pump. This pump got me through breastfeeding my daughter. I primarily nursed her but this helped keep my mind at ease as far as my supply goes
Ashley R
May 22, 2025
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Rated 5 out of 5
Great no-frills pump!
Works well! I always get more with this that my Wearable!
Rachel B
Apr 30, 2025
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Rated 5 out of 5
Easy to use and effective!
I can count on this pump being consistent and effective. Always a better result than my portable momcozy one
Nino S
Apr 26, 2025
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Rated 5 out of 5
This Pump Saved my Supply!
I highly recommend this breast pump for every mom! If you’re a first time mom, don’t waste your time with a wearable pump like I did! Wearable pumps have inconsistent suction and barely works so I basically ruined my supply. I paid out of pocket for this spectra pump and it was 100% worth it. It has hospital grade suction and it improved my low supply in just days! Very easy to use, battery lasts a couple days and it has very intuitive settings. Love the massage mode and expression mode which
Kristi S
Feb 15, 2025
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Rated 5 out of 5
Only Reason I’m still Pumping
The best pump you could buy on your pumping journey. I have been exclusively pumping for 4 months now and my son drinks 34+oz a day. The spectra pulls the most milk out of the three pumps that I have tried so far. The spectra has allowed me to feed exclusive breastmilk and not have to supplement with formula. They call it a workhorse for a reason. The only con is that it’s bulky, so it’s kind of annoying to take places, but worth it to bring because it will empty me in 15-20 min. Just make sure
Karoline M
Jan 17, 2025
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Rated 5 out of 5
Fantastic
Worth the extra money for the chargeable version. I get great output with this and use it multiple times per day. Reliable.
Kasey M
Dec 27, 2024
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Rated 5 out of 5
Primary Pump as an EP
This is my primary pump. I'm happy I spent the extra for the rechargeable model, and it stays charged for 24-36 hours of pumping. I have preferred the Spectra to the hospital grade Medela. As an exclusive pumper, the diaphragms and valves must be replaced fairly often (every 2-4 weeks). I purchased flange inserts for a better fit.
Hillary I
Oct 5, 2024
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