Apple, Sony take hit in Japan over faulty laptop batteries

Kenji Hall

For the second time in less than a week, Japanese authorities want answers about overheating laptop batteries. This time, it's Apple Computer in the hot seat. The Ministry of Economic Trade and Industry (Japanese only) has ordered Apple to investigate how a faulty Sony lithium-ion battery might have caused an iBook G4 to overheat and catch fire in Osaka.

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