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Japan Guinness Battery

Japanese robot designer Tomotake Takahashi, center, holds his robot EVOLTA, powered by Panasonic’s Evolta batteries, shown by models, after the batteries were certified as the world’s longest-lasting AA alkaline battery cell by Guinness Book of World Records during a press conference in Tokyo Tuesday, Jan. 15, 2008. The new battery promises to keep your gadgets running 20 percent longer on average than today’s offerings from rivals like Duracell and Energizer, as well as Panasonic’s own upscale batteries called Oxyride. It goes on sale in April in Japan, and is planned for overseas markets later this year, according to Matsushita Electric Industrial Co., which makes Panasonic brand products. (AP Photo/Koji Sasahara)