The Pump In Style® Advanced Battery Pack uses 8 AA alkaline or rechargeable batteries (Not included). The black microfiber carrying case fits inside your breastpump bag, or can be attached to the bag strap for easy transportation.


  • Maximum pumping duration two hours
  • Batteries not included
  • Battery pack for 9 Volt Pump In Style® Advanced breastpump
    • For pumps 2008 or later
    • Use with "Pump In Style Advanced" pumps


  • 1 - Battery pack
  • 1 - Microfiber padded case