The Pump In Style Advanced Battery Pack uses 8 AA alkaline or rechargeable batteries. The black microfiber carrying case fits inside your breastpump bag, or can be attached to the bag strap for easy transportation.
- Battery pack for your 9 Volt Pump In Style Advanced breastpump
- Powered by 8 AA batteries (not included)
- Microfiber padded battery pack
- Provides up to 2 hours of pumping time