In this Jan. 26, 2013 photo provided by the Japan Transport Safety Board (JTSB), the distorted main lithium-ion battery of the All Nippon Airways' Boeing 787 which made an emergency landing, in dismantled by the investigators at its manufacturer GS Yuasa's headquarters in Kyoto, Japan. An investigation into the battery that overheated on the Boeing flight in Japan on Jan. 16, 2013 found evidence of the same type of "thermal runaway" seen in a similar incident in Boston, officials said Tuesday, Feb. 5, 2013. (AP Photo/Japan Transport Safety Board) EDITORIAL USE ONLY, NO SALES

Associated Press
In this Jan. 26, 2013 photo provided by the Japan Transport Safety Board (JTSB), the distorted main lithium-ion battery of the All Nippon Airways' Boeing 787 which made an emergency landing, in dismantled by the investigators at its manufacturer GS Yuasa's headquarters in Kyoto, Japan. An investigation into the battery that overheated on the Boeing flight in Japan on Jan. 16, 2013 found evidence of the same type of "thermal runaway" seen in a similar incident in Boston, officials said Tuesday, Feb. 5, 2013. (AP Photo/Japan Transport Safety Board) EDITORIAL USE ONLY, NO SALES
In this Jan. 26, 2013 photo provided by the Japan Transport Safety Board (JTSB), the distorted main lithium-ion battery of the All Nippon Airways' Boeing 787 which made an emergency landing, in dismantled by the investigators at its manufacturer GS Yuasa's headquarters in Kyoto, Japan. An investigation into the battery that overheated on the Boeing flight in Japan on Jan. 16, 2013 found evidence of the same type of "thermal runaway" seen in a similar incident in Boston, officials said Tuesday, Feb. 5, 2013. (AP Photo/Japan Transport Safety Board) EDITORIAL USE ONLY, NO SALES
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