Based on the documents submitted to the National Telecommunications Agency in Brazil, Galaxy Note 9 has a battery with a capacity of 4000 mAh. Much greater than 3300 mAh owned Galaxy Note 8.
Unfortunately, there is no information about the other specs of the Galaxy Note 9. This new Phablet will be announced in early August 2018 and sales began in the same month.
Parties from Samsung has been giving a various teaser about Galaxy Note 9 for his fans. However, so far there has been no confirmation from the company about one or a number of its specifications.