No batteries. Requires 10 regular AA batteries.  Multitester tested for voltage (batteries removed). This is an original genuine battery pack power ADAPTER for some Medela pumps. Please check your device for power requirement before purchase. Questions are encouraged. Photo is generic. Shape, size or color may differ from photo. 

S&H in the contiguous USA is $4.(insured shipping).
Please see other interesting items by JGrit.

USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 4 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 4 day drop-off time. Thankyou.