Exclusively for use with all Pump In Style models. Uses AA alkaline or rechargeable batteries for approximately 3 hours of pumping time.
8 batteries pack comes with black micro fiber carrying case fits inside breast pump bag or can easily be attached to bag strap. Compatible for all Pump In Style Original and 2008 or newer Pump In Style Advanced Models.
10 batteries pack does not come with a case. Compatible for all 2007 & older Pump In Style Advanced Models.