The Samsung Galaxy Note10 launched last year came with a 3,500 mAh battery, and according to a report by Galaxy Club, its successor - the Note20 - will pack a larger cell. The Dutch blog claims that Galaxy Note20's battery part sports model code EB-BN980ABY, that has a rated capacity of 3,880 mAh, meaning a typical capacity of around 4,000 mAh. That's the same size as Galaxy S20's battery. Samsung Galaxy Note10 With the regular Note20 getting a larger battery, we speculate the Note20+ will also pack a bigger cell, which might be a 4,500 mAh unit like the S20+ or 5,000 mAh like the...
Source: https://www.gsmarena.com/samsung_galaxy_note20_battery_size-news-42745.php