Teslaさんのインスタグラム写真 - (TeslaInstagram)「In the event of a grid outage, this Osaka Powerpack installation is designed to provide emergency backup power to safely move a train and its passengers to the nearest station. The 42 Powerpack battery system will also help reduce energy demand on the Osaka grid during peak hours – hardware install completed in two days! tesla.com/powerpack」3月27日 10時23分