A:AnswerI cannot tell you as I do not have the Sony 6400. I would do some research and purchase the battery that Sony recommends. Go to the Sony website and ask the question. Sorry I cannot answer this.
A:AnswerHi rusty, Sony's commitment to customer satisfaction is our top priority. Please refer to these two batteries models: NP-FH50 or NP-FH50AM. Thank you so much for your question. And thank you for choosing Sony. - Pakorn (Sony Social Support)
