Medela 8-AA Battery Pack – Part #101029653 ONLY

This listing is for a genuine Medela portable battery power pack, part number 101029653. This unit allows compatible Medela breast pumps to operate using eight AA batteries when wall power is not available.


This battery pack has been tested and confirmed working. Battery terminals are clean and the DC output connector is intact.


Technical Details


Part Number: 101029653

Power Source: 8 AA batteries (not included)

Total Output: 12V DC (8 x 1.5V batteries)

Connector: Standard Medela barrel connector

Revision: Later production version with inline EMI noise suppression module on cable


Compatible Pump Models:


Compatible with Medela Pump In Style Advanced (PISA) models including Metro Bag, Backpack, and On-The-Go Tote motor units that use an external 8-AA battery pack and 12V DC input.


This includes older Pump In Style Advanced models produced prior to the MaxFlow redesign.


Not Compatible With:


Not compatible with Pump In Style with MaxFlow (newer oval motor unit), Medela Freestyle (any version), Sonata, Swing, Swing Maxi, Harmony manual pumps, or hospital-grade Symphony pumps.


Important Compatibility Notice:


Buyers are responsible for verifying compatibility with their specific pump model before purchase. Please confirm your exact pump model number and required power configuration prior to ordering. If you are unsure, message us with your model number and we will gladly assist.


Photos show the exact item you will receive. Ships securely packaged.