LONDON, UK / ACCESSWIRE / August 23, 2023 / Invinity Energy Systems plc (OTCQX:IESVF), the leading global manufacturer of vanadium flow batteries for utility-grade energy storage, today announces that it will be presenting at the Planet MicroCap Showcase: VANCOUVER 2023 on Wednesday, September 6, 2023 at 2 PM (PST). CEO Larry Zulch will be hosting the presentation and answering questions at the conclusion. To access the live presentation, please use the following information: Planet MicroCap...