Here is a paragraph taken from their Q. They don’t use lithium tech. Go back and study who they acquired. Their is a lot of info on the tech.
The issuer has developed a proprietary device to be utilized in a variety of circumstances to store electricity .The newly developed Triad Pro eCell provides our storage system with tremendous operational flexibility. Using our propriety hardware and software solution, our eCell can be configured to store energy at a rate limited only by the network providing it, and then release that energy in a regulated way based upon the application, which allows for flexibility unknown in current chemical battery-based storage systems.
Do not rely on my opinions when making investment decisions. They are only opinions and I am probably no smarter than you!