Quick answer

The Spectra 9V AC Power Adapter/Charger is designed specifically for the Spectra 9 Plus Portable Breast Pump to charge its rechargeable battery. Use only this adapter with your 9 Plus pump and follow the steps below for safe, reliable charging.

Why the 9V AC Adapter Is Pump-Specific

The 9V AC adapter is engineered to match the voltage and current requirements of the Spectra 9 Plus pump’s rechargeable battery. Using a different adapter—even one with a similar plug—can deliver incorrect power, damage the battery, or create a safety hazard. The adapter is not compatible with Spectra Synergy Gold breast pumps, so always check your pump model before connecting.

What to Check Before You Plug In

Before each use, inspect the adapter’s cable for cuts, fraying, or bent prongs. The 6-foot cable gives you flexibility, but avoid running it under rugs or furniture where it can overheat. Also confirm the outlet you’re using is in good condition and not overloaded with other devices.

How to safely use the 9V AC Power Adapter/Charger

  1. Step 1: Verify your pump model: Check the label on your pump to confirm it is a Spectra 9 Plus. The 9V AC adapter is not compatible with Synergy Gold pumps. Using it with the wrong pump can damage the device.
  2. Step 2: Inspect the adapter and cable: Look over the entire 6-foot cable, the plug prongs, and the connector end for any damage, fraying, or bent parts. Do not use the adapter if you see any signs of wear. A damaged adapter can cause electrical shorts or fire risk—replace it immediately if compromised.
  3. Step 3: Connect to the pump first, then the outlet: Plug the adapter’s small connector into the charging port on the 9 Plus pump until it clicks. Then insert the AC plug into a wall outlet. This sequence reduces the chance of a spark at the pump port.
  4. Step 4: Monitor the charging indicator: When connected correctly, the pump’s battery indicator light should illuminate. If the light does not come on, unplug the adapter and check the connection. A common mistake is assuming the pump is charging when the adapter is not fully inserted. If the light stays off after reconnecting, try a different outlet. If it still fails, the adapter may need replacement.
  5. Step 5: Disconnect safely after charging: Unplug the adapter from the wall outlet first, then disconnect it from the pump. This prevents any residual current from causing a brief spark near the pump port. Always store the adapter in a dry, cool place away from direct sunlight and liquids.

Product details

  • 9V AC Power Adapter/Charger: The Spectra 9V Power Adapter/Charger is compatible for use with the Spectra 9 Plus Portable Breast Pump and is not compatible with SG Synergy Gold Breast Pumps. This ensures you only use the correct adapter for your pump model, preventing battery damage and voided warranties.

    9V AC Power Adapter/Charger

    9V AC Power Adapter/Charger

  • 9V AC Power Adapter/Charger: Output is 9 volts with a 6-foot cable length, and it is designed to properly charge and power the 9 Plus Breast Pump’s rechargeable battery. The 6-foot cable provides convenient reach to most outlets, while the 9V output matches the pump’s charging circuit for safe, efficient charging.