GWH vs PDSB Comparison

ESS Tech Inc is a long-duration energy storage company specializing in iron flow battery technology. It develops and manufactures long-duration energy storage systems based on iron flow battery technology. The company's batteries use earth-abundant materials, including iron, salt, and water, and are designed for high cycle life and recyclability. It operates as a single business operating segment, which includes all activities related to the design, engineering, and manufacturing of the company's long duration energy storage products. The company's revenue is derived from the sale of its energy storage products and from service contracts.

PDS Biotechnology Corp operates as a clinical stage biotechnology company, principally involved in drug discovery in the United States. It is engaged in the treatment of various early-stage and late-stage cancers, including head and neck cancer, prostate cancer, breast cancer, cervical cancer, anal cancer, and other cancers. Its products are based on the proprietary Versamune platform technology, which activates and directs the human immune system to unleash a powerful and targeted attack against cancer cells.