Mighty Tyke

Portable Electric Breast Pump

Download User Manual



A closed system keeps the tubing and motor free from milk backflow and moisture buildup


2 Expression Programs and 9 levels of suction let you match your baby’s nursing patterns

Easy to Use

Simple, intuitive controls are easily accessible whether the pump is stationary or clipped to your side


Silicone cushions provide comfort for swollen or engorged breasts and reduce shield size


This small pump can be used with electricity, its battery, or turned into a manual pump (optional)

Li-Ion Battery

Low cost, low maintenance, rechargeable, and consistent power for every pumping session


The built-in belt clip provides you more freedom and greater mobility while pumping


Mighty Tyke Features

The Rumble Tuff Mighty Tyke is a closed-system, single electric breast pump intended for daily personal use.This lightweight and compact pump is easily portable for mothers on the go, and the powerful motor is capable of delivering strong suction power to help you complete your pumping quickly and effortlessly.

A rechargeable lithium-ion battery makes it easy to pump wherever you need, whenever you need. A lithium-ion battery provides a low-cost, low-maintenance alternative to traditional alkaline batteries. This pump can also be converted into a manual breast pump (Manual Pump Diaphragm Kit not included).

The built-in belt clip of this powerful little pump provides you with more freedom and greater mobility during your pumping sessions. The simplified control panel allows easy access from all angles, whether the pump is stationary or clipped to your side.

With the Swift Expression and Natural Expression patterns and 8 levels of suction, the Mighty Tyke is designed to help you best match your baby’s natural nursing pattern. The customizable settings allow you to choose the most comfortable and effective vacuum strength for you.

The Mighty Tyke Electric Breast Pump comes with a 120-day limited warranty and a 1-year extended warranty for the pump motor (wearable accessories excluded). Warranty information can be found in the User Manual.

BPA free.

Included Accessories


Anti-Backflow Diaphragm

The Mighty Tyke is designed with a closed-system diaphragm which prevents any milk backflow. While milk flows freely into the collection bottle, the diaphragm acts as a protective barrier, preventing any milk from leaking into the tubing or electric motor.

Product Specs

Single Pump

Vacuum Strength
Single: 90 – 250 mmHg

Suction Settings: 8
Speed Patterns: 2

Stimulation Phase
Suction Levels: 90 – 182 mmHg
Cycles per Second: 1.66

Expression Phase
Suction Levels: 118 – 250 mmHg
Cycles per Second: 1

Power Supply

  • 9V AC/DC Adapter
  • Rechargeable Li-Ion Battery (included)
  • Manual Handle (optional)

Pump: 8.2 oz (0.5 lb)
Accessories: 4.8 oz (0.3 lb)
Total: 17.8 oz (1.1 lb)


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Included accessories may vary by country and may change without notice. Contact Rumble Tuff Customer Service or your local distributor with any questions.