Warren Buffett to buy Duracell in $4.7 billion deal By: MarketWatch November 13, 2014 at 08:48 AM EST Warren Buffett’s Berkshire Hathaway agrees to buy Procter & Gamble’s Duracell battery business in a deal valued at $4.7 billion. Read More >> Related Stocks: Berkshire Hathaway Berkshire Hathaway Macy's Procter & Gamble