[ad_1] <br>Epazz's unit files patent for AI smart battery tech for drones, electric airplanes <br>[ad_2] <br><a href="https://seekingalpha.com/news/3979438-epazzs-unit-files-patent-for-ai-smart-battery-tech-for-drones?utm_source=feed_news_all&utm_medium=referral">Source link </a>
