Manufacturer's Part Number: #E90BP-2
Our E 90/N battery is used in bluetooth headsets, calculators, medical devices and more.Used in Bluetooth® headsets, glucose and blood pressure monitors. Cell size: E90/N size. Type: Miniature Alkaline. Volt: 1.5. Replacement for: 4001, 810, 910A, AM5, LR1, MN9100, UM-5. Bluetooth is a registered trademark of Bluetooth SIG Inc.