How do I choose between the Momcozy M5, M6, and M9? What are their key features?

For specific details on charging and battery life, see our article on What is the battery life and how do I charge my M-Series pump?

For detailed instructions regarding the cleaning and replacement of your pump’s cleanable parts, see Which parts of the M5, M6 and M9 breast pumps are washable?

Choosing the right breast pump is a personal journey. This guide compares the key features of the Momcozy M5, M6, and M9 to help you find your perfect match.

Feature	M5	M6	M9
Model Keywords	All-in-one High Efficiency Comfortable Pumping	High Efficiency Great Mobility Powerful Suction	APP Control Powerful Suction Smart Custom Modes
Recommended Users	Moms with multiple breast pumps	New Moms	Experienced Moms
Color
Motor	1st Generation	2nd Generation	3rd Generation
Suction Levels	9 Levels	9 Levels	15 Levels
Mode Selection	Stimulation, Express, Mixed	Stimulation, Express, Mixed	Stimulation, Express, Mixed, Customize
Bottle Capacity	160ml/5.4oz	180ml/6oz	150ml/5.2oz
Usage Time	4-5 sessions	5-6 sessions	4-5 sessions
Pump Motor Weight	230g	293g	302g
Noise Level	≤50dB	≤50dB	≤48dB

• M5: The Ultra-Portable "On-the-Go" Companion

  If you're looking for a breast pump that easily fits into your busy lifestyle, the M5 is the perfect companion. As our lightest and most discreet option, it’s ideal for pumping anytime — whether you're at work, traveling, or simply need a reliable backup.

• M6: The Reliable "All-Rounder"

  The M6 is a trusted all-rounder that’s especially well-suited for new moms. With the longest battery life and the largest milk capacity in our lineup, it offers powerful performance with peace of mind — making every pumping session smooth and stress-free.

• M9: The "Smart, Customizable" Powerhouse

  For moms who love to personalize their experience, the M9 connects seamlessly with the Momcozy App. Offering 15 adjustable suction levels and fully customizable modes, it's designed for those who enjoy using technology to tailor every detail of their pumping journey.