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Replacement A/C transformer for the Pump In Style breastpumps and the Medela Swing, Double Ease, Mini Electric, and Single Deluxe Breastpumps.


The replacement transformer for the Pump In Style Original and Traveler models is a 9V transformer, part # 9207010.

The replacement transformer for the Advanced pumps produced before 2008 is a 12V, part # 9207041.

If your Advanced pump was purchased in 2008 or 2009, check where you plug in the adapter to see if you need a 9V or 12V adapter. More than likely, you need 9207010 (9 volt).

The replacement transformer for Double Ease pump is part #9200013.

The replacement transformer for Medela Swing pump is part #9200043.

The Pump in Style Advanced transformer for Euro-UK electric outlets is #9207023

The Pump In Style Original/Traveler transformer in Europe/UK is part #9207016.

We also offer these Medela power supply items:

Medela Battery Pack
Medela Vehicle Lighter Adapter - Symphony or Pump in Style
and other Medela Breastpump Parts and Accessories