Share: ESS Tech, Inc. has entered into a definitive business combination agreement with ACON S2 Acquisition Corp. (NASDAQ:STWO); upon closing, the combined company expects to be listed on the New York Stock Exchange under the ticker symbol "GWH." ESS has developed a category-defining technology, an environmentally friendly, low-cost, long-duration storage battery engineered to support renewables and stabilize the electrical grid. Built from earth-abundant materials, the ESS solution can be deployed in a wide variety of environments, can operate across a wide temperature range and poses no explosion risk. Disrupting a large and fast-growing market, ESS is valued at approximately $1.1 billion, offering investors an attractive opportunity to invest in a high-growth, genuinely sustainable business that enables our renewable future.