A solar-powered plane has been grounded by damaged batteries for at least a few weeks after completing its record-breaking five-day journey from Japan to Hawaii.
The Solar Impulse 2's team says the batteries were over-insulated and became overheated on day one of the Japan-Hawaii leg. The team said Saturday that it monitored the situation throughout the flight but could not decrease the temperature.
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The plane won't fly before the beginning of August as the team works to replace and repair damaged parts.
The plane landed in Hawaii on July 3 after completing a 118-hour voyage that broke the record for the world's longest nonstop solo flight.
The Solar Impulse 2 is next headed to Phoenix as part of an around-the-world flight meant to highlight the importance of renewable energy.