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.
- For use with 9 Volt Pump In Style Advanced manufactured in 2008 or later
- Provides up to 2 hours of pumping time. For more consistent pumping performance, use rechargeable batteries.
- Batteries NOT included.