MEDELBatteries.com is administered by Micropower Battery Co.  Our company offers the largest selection of cochlear implant batteries and other hearing aid batteries, including size 10, size 312, Size 13 and Size 675 disposable batteries.  As of November 15, 2023, MEDELBatteries.com is the authorized and preferred provider of disposable hearing aid batteries for MED-EL hearing assistive device users.  Our aim is to offer customers the widest selection of hearing aid and cochlear implant batteries at competitive prices, with top-notch service and fast delivery.  If you require phone assistance, please contact one of our customer service agents at (866) 613-2355.  Our office hours are Mondays through Fridays, 8 a.m. to 5 p.m.  ET. Online purchases can be made at any time.  MED-EL will no longer be carrying batteries directly and will be referring all users to MEDELBatteries.com for their disposable battery needs.