Utilize the input text as a context reference, choose the right relationship between Duracell and battery from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

P&G hopes to pay dividends and retire shares worth up to $70 billion over a four-year period from fiscal years 2016-19 through a combination of shares eliminated via the deal with Coty and the sale of the $2 billion Duracell battery brand to Berkshire Hathaway, as well as ongoing share repurchases.

Answer: product_or_material_produced