Overcharging batteries suspected in Boeing 787 problems

It's likely that burning lithium ion batteries on two Boeing 787 Dreamliners were caused by overcharging, aviation safety and battery experts said, pointing to developments in the investigation of the Boeing incidents as well as a battery fire in a business jet more than a year ago.

An investigator in Japan, where a 787 made an emergency landing earlier this week, said yesterday the charred insides of the plane's lithium ion battery show the battery received voltage in excess of its design limits. 

Posted by Jospeh Hany

Overcharging batteries suspected in Boeing 787 problems

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