Fourth Power has raised $20 million to build a demonstration version of its thermal batteries, which ultimately could store electricity at $25 per kWh.
Trending tech news-> Exclusive: Fourth Power’s sci-fi thermal batteries could be cheaper than

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Fourth Power has raised $20 million to build a demonstration version of its thermal batteries, which ultimately could store electricity at $25 per kWh.
Fourth Power has raised $20 million to build a demonstration version of its thermal batteries, which ultimately could store electricity at $25 per kWh.