Introduction
The Medela Pump in Style Battery Pack is designed to provide portable power for your Medela Pump in Style Advanced breast pump. This unit allows for convenient pumping in locations where an electrical outlet is not available, offering flexibility and freedom. It is an authentic Medela spare part, ensuring compatibility and reliable performance with your breast pump.
This manual provides detailed instructions for the proper setup, operation, and maintenance of your battery pack.
Product Overview

Image: Medela Pump in Style Battery Pack with its black padded carrying case.
The Medela Pump in Style Battery Pack (Model 67553) is a compact, portable power source for compatible Medela breast pumps. It includes the battery pack unit and a protective padded case.

Image: Front view of the Medela Battery Pack retail packaging, showing the product name and key features.

Image: Back view of the Medela Battery Pack retail packaging, highlighting compatibility with Medela 9-volt (VDC) Breast Pumps.
Compatibility
This battery pack is compatible with Medela Pump in Style with MaxFlow and Pump in Style Advanced breast pumps ONLY. It is designed for use with 9-volt Pump in Style Advanced breast pumps manufactured in January 2008 and thereafter. It is not compatible with 12-volt (VDC) Pump in Style pumps or any other Medela pumps.
Setup
1. Unpacking and Contents
Carefully remove all items from the packaging. Ensure you have the following:
- (1) Medela Pump in Style Battery Pack
- (1) Padded carrying case
2. Battery Installation
The battery pack requires 8 AA batteries (not included). For optimal and consistent performance, rechargeable AA batteries are recommended.
- Slide off both battery covers from the battery pack unit.
- Insert 8 AA batteries into the designated slots, ensuring correct polarity (+/-) as indicated inside the compartment.
- Replace both battery covers securely.
Video: Instructions for installing AA batteries into the Medela Pump in Style Battery Pack.
Operating Instructions
1. Connecting to Your Breast Pump
Once batteries are installed, connect the power cord from the battery pack directly into the power input port of your compatible Medela Pump in Style Advanced breast pump. The pump will then draw power from the battery pack.
2. Pumping Duration
With fresh alkaline or fully charged rechargeable AA batteries, the battery pack provides up to 2 hours of pumping time. Actual duration may vary based on battery quality and pump settings.
3. Portability
The included black microfiber carrying case offers protection and convenience for travel. The battery pack fits securely inside the case, which can be placed within your breast pump bag or attached to its strap for easy transport.
Maintenance
1. Battery Replacement
Replace all 8 AA batteries when you notice a degradation in pump performance or when the battery pack no longer provides sufficient power for your pumping sessions. Always replace all batteries simultaneously with new ones to ensure consistent power delivery.
2. Cleaning and Storage
- Wipe the exterior of the battery pack with a clean, damp cloth. Do not immerse in water.
- Store the battery pack in its padded case when not in use to protect it from damage.
- If storing for an extended period, remove the batteries to prevent leakage.
Troubleshooting
- Pump not turning on or weak suction:
- Check if all 8 AA batteries are correctly installed with proper polarity.
- Replace all 8 AA batteries with new or freshly charged ones.
- Ensure the battery pack's power cord is securely connected to the breast pump.
- Battery pack feels warm:
- A slight warmth during operation is normal. If it becomes excessively hot, discontinue use immediately and remove batteries.
- Inconsistent performance:
- Ensure you are using fresh, high-quality alkaline or fully charged rechargeable batteries. Mixing old and new batteries or different battery types can affect performance.
Specifications
| Product Dimensions | 9 x 6 x 3 inches |
| Item Model Number | 67553 |
| Batteries Required | 8 AA batteries (not included) |
| Battery Life | Up to 2 hours |
| Material Type | BPA Free, Latex Free, Lead Free, Phthalate Free |
| Material Composition | Plastic |
| Item Weight | 4.5 ounces |
| Special Feature | Portable |

Image: A hand holding the Medela Battery Pack, illustrating its compact size and dimensions.
What's Included
- 1 x Medela Pump in Style Battery Pack
- 1 x Padded Carrying Case
Warranty and Support
Specific warranty information for this product is not provided in the available data. For warranty details, product support, or further assistance, please refer to the official Medela website or contact Medela customer service directly.





