Compatible with Willow 360 or 3.0 Wearable Double Electric Breast Pump: Pair this 5 volt, 3 amp charger with the Willow Wearable Breast Pump; Charge your Willow pump for a prolonged, hands free pumping experience, also compatible with earlier generations 1 and 2 Long Battery Life: Each charge lasts up to 5 pumping sessions Ideal for Work or Travel: Easily pack this spare breast pump charger in your briefcase, purse, backpack or suitcase for trips to the office or trips out of town Compatible with All US Outlets: Plugs into any standard 120V electrical outlet; Add this spare charger to your breastfeeding essentials collection Trusted and True: Willow breast pump accessories are covered under a 90 day limited manufacturer's warranty; Join the 300,00 moms who have brought Willow into their homes and lives Compatible with any U.S. standard electrical outlet (120V), the Willow Breast Pump 5 Volt, 3 Amp Charger adds convenience to your pumping experience. Enjoy a charge that lasts up to 5 pumping sessions after using this charger on your Willow 3.0 Breast Pump. Use the spare charger to power up both sides of your double breast pump. Ideal for work, travel or errands, Willow Breast Pump Charger ensures your ability to enjoy a hands-free pumping experience. Spare charger is covered under a 90-day manufacturer's warranty. Using a non-Willow charger can damage the pump and voids the Willow warranty. You deserve a pump you love. Powerful, comfortable, fully in bra and app-connected, our wearable pumps for breastfeeding are simply built different. So cut the cords, ditch the dupes and join the 300,000 moms who have brought Willow into their lives. Find your perfect Willow breast pump today and unlock the convenience of hands-free pumping.