PowerX, Inc. (Ticker: 485A JP) is a Japanese technology company focused on the energy sector, specifically the manufacturing and sale of large-scale storage batteries and the development of marine energy storage systems. Headquartered in Okayama with offices in Tokyo, the company also operates electric vehicle (EV) charging stations and supplies renewable energy. PowerX is set to list on the Tokyo Stock Exchange Growth Market on December 19, 2025. The company was founded in 2021 by CEO Masahiro Ito, previously a key executive at ZOZO.

The company intends to offer a total of 9,646,500 shares, which includes a public offering, a secondary sale by existing shareholders, and an over-allotment option. Pricing the IPO at an assumed JPY 1,200 per share, the total offer size is expected to reach approximately JPY 11.58 billion (approx. USD 77 million). At the time of listing, PowerX expects a market capitalization of approximately USD 251.5 million. The IPO is reportedly managed by Mitsubishi UFJ Morgan Stanley Securities and SMBC Nikko Securities, with a strategic shareholder base that includes Imabari Shipbuilding, Nippon Gas, and NYK Line.