2007-4-22 2006-3-31 Medela's new battery-operated accessory pumps for 90 minutes straight on 8 double-A batteries. The AA battery pack for all Medela Pump In Style breast pumps attaches to breast pump strap and plugs into AC port. Use eight AA alkaline batteries sold separately. This battery pack is for occasional use. 197729 text/html 1.0 EN index,follow Medela Pump In Style Battery Pack 67553 Medela Pump In Style Heel Spurs Plantar Back Brace Foot Pain Medela Pump In Style Battery Pack 67553, Medela Pump In Style, Heel Spurs, Plantar, Back Brace, Foot Pain - A Medical Supply text