All of the same exceptional features as the S1 but can hold a charge due to its built-in rechargeable battery. Therefore, this is a convenience to many moms who might need to rely on portability. As a result, not being able to pump near an outlet or in a car will not be a problem. This pump is also dual voltage — so it works overseas as well.


The S1 PLUS Hospital Strength Double Electric Breast Pump with an inbuilt rechargeable battery is NOW available. Providing all the features of the S2, with the addition of an inbuilt rechargeable battery. This means that you are now able to benefit from the efficiency, power, and performance of a hospital strength breast pump without compromising on portability.

spectra 1 breast pump

Features & Benefits of the Spectra 1:

  • Backflow Protection technology protects breast milk and baby from bacteria, mold, and viruses while pumping
  • 2 phase cycling with Let-Down Button provides adjustable suction and cycling in let-down and expression mode
  • Customizable pump settings to mom’s response to follow her flow and find her best settings every time
  • Can be used as a single or double electric pump
  • The pump is designed to be quiet while in use
  • All components that come in touch with milk are BPA-free
  • Powered by an AC adaptor or rechargeable internal battery (both included)
  • LCD Display, timer, and two-level lighting function
  • Maximum suction strength of 250mmHg
  • Set the pumping program to the speed and rhythm most effective for your body
  • The gentle ‘massage mode’ offers a short, shallow pump setting designed to stimulate mom’s letdown reflex
  • Settings can be switched to expression mode for a deeper, slower pattern of suction which mimics baby’s nursing rhythm
  • Adjustable suction settings in both letdown and expression modes

The Pump In Spectra S1 Plus Set Includes:

  • Double electric breast pump
  • Rechargeable internal battery
  • Timer and nightlight
  • Locking rings and discs
  • Backflow protectors – (2)
  • Standard 24 mm size flanges – (2)
  • Standard 28 mm size flanges – (2)
  • Milk collection bottles and caps – (2)
  • Duckbill valves – (2)
  • Tubing – (2)
  • AC adapter
  • Product manual

The S1 boasts so many great features. It is designed to truly meet the needs of moms wanting to feel confident that they have a capable, powerful breast pump while also incorporating elements to make life a little easier.

Like all Spectra pumps, the S1 is a closed system — a physical barrier between the milk and the pump ensures hygiene and motor performance.

With a maximum suction strength of 250mmHg and the ability to be used as a single or double pump, plus a host of additional features, the S1 is set to become the ultimate breast pump to support U.S. moms.

Completely flexible, touch button, with the S1 pump’s digital controls. These allow you to set the pumping program to the speed and rhythm most effective for your body.

The suction is adjustable in both let-down and expression mode! Includes a RECHARGEABLE BATTERY, timer, and night light. This pump is also really quiet!

Backflow Protection
● It helps protect breast milk and baby from bacteria, mold, and viruses while pumping.
● Keeps tubing dry by preventing air flow between expressed milk and pump tubing while pumping.
● No need to clean the narrow tubing.

Customize Your Pumping Experience
● 2 phase cycling with Let-Down button. Completely adjustable suction and cycling in let-down and expression mode.
● Each mother can customize her pump’s settings to her own body’s response and follow her flow to find her individual best settings every time.

The Spectra S1 technology makes it possible for a mother to keep the pump set on her maximum comfortable suction level with minimal noise.

This comfortable and practical breast pump motor only weighs 4lbs! It is powered by an AC adapter AND has a built-in rechargeable battery!