Japan’s Transport Safety Board released a report that stated that the battery of the Dreamliner’s auxiliary power unit had been incorrectly connected to the main lithium-ion battery that overheated. It further stated that a protective value would have presented power from the APU from causing any damage.
The Transport Safety Board said in a report that the battery of the aircraft's auxiliary power unit was incorrectly connected to the main battery that overheated, although a protective valve would have prevented power from the APU from doing damage.
Something not right here. How the hell can the APU bat connect to the Main Bat?
That is serious miswiring. I don't buy it.
