Samsung claims the Note 8's battery will retain 95% capacity after two years - NotebookCheck.net News
Specifications | Samsung Galaxy Note8 – The Official Samsung Galaxy Site
Samsung Galaxy Note 8 to come with 3,300 mAh battery
Samsung Galaxy Note 8 3300mAh Original Battery (EB-BN950ABE) for sale online | eBay
For Samsung Galaxy Note 8 Power Case 2A Fast charge 6500 Mah Charger Cover Battery Power Bank For Samsung Note 8 Power Case|Battery Charger Cases| - AliExpress